What Makes a Good Appraisal Comparable? | Complete Guide

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What Makes a Good Appraisal Comparable?

A good appraisal comparable is a property that competes with the subject property in the eyes of the same typical buyer.

It is not necessarily:

The closest sale
The most recent sale
The home with the most similar square footage
The highest-priced sale
A property in the same subdivision
A home with the same number of bedrooms
The sale with the fewest adjustments

Appraisers consider the entire property and the market in which it competes.

Important factors may include:

Location
Market area
Property type
Design
Age
Quality
Condition
Living area
Lot size
View
Amenities
Sale date
Financing concessions
Renovation level
Functional utility
Buyer appeal

A sale can be nearby and recent but still be a poor comparable.

Another sale may be farther away or older but provide better evidence because it is much more similar to the subject property.

The central question is not simply, “How close is this sale?”

The better question is:

Would a typical buyer considering the subject property also have considered this property?

What Is an Appraisal Comparable?

An appraisal comparable—often called a comp—is a property used to help estimate the subject property’s market value.

For most owner-occupied residential properties, the sales comparison approach is a major component of the appraisal.

The appraiser:

Identifies potentially comparable closed sales
Verifies relevant transaction information
Compares each sale with the subject
Adjusts for significant differences
Evaluates the reliability of each sale
Reconciles the evidence into a final opinion of value

The comparable does not need to be identical to the subject.

Identical properties rarely exist, especially after accounting for:

Location
Condition
Lot
View
Renovations
Sale timing
Financing terms

The appraiser’s job is to identify the most relevant available market evidence and account for meaningful differences.

The Most Important Test: Competitive Market Appeal

The strongest comparable usually appeals to the same group of buyers as the subject property.

For example, buyers shopping for a renovated four-bedroom home in a gated suburban community may not consider:

An unrenovated home outside the gate
A downtown condominium
A rural home on ten acres
A duplex
A smaller entry-level property
A luxury home priced twice as high

Those properties may be geographically close but operate in different market segments.

Fannie Mae instructs appraisers to select comparable sales that have similar physical and legal characteristics and appeal to the same market participants as the subject. Fannie Mae comparable-sale guidance

Market competition can be defined by more than subdivision boundaries.

It may depend on:

School district
Price range
Commute
Home style
Acreage
Amenities
Waterfront access
Gated access
Age and quality
Renovation level
Property use

The appraiser should understand how buyers actually search for and compare homes in that market.

Location

Location can materially affect property value.

Relevant location characteristics may include:

Subdivision
Neighborhood
School district
City
County
Gated community
Waterfront access
Golf-course frontage
Greenbelt
Cul-de-sac
Traffic exposure
Commercial influence
Railroad proximity
Airport noise
Employment access
Views
Flood risk
Utility availability

Two homes separated by one street may have different market appeal when that street forms a boundary between:

School districts
Municipalities
Taxing jurisdictions
Subdivisions
Zoning districts
Flood zones
Market segments

A sale outside the subject’s immediate neighborhood can still be relevant if buyers commonly consider both locations.

The appraiser should explain why a more distant location is competitive and account for any measurable market difference.

Proximity to the Subject

There is no universal rule that every comparable must be located within one mile.

In a dense urban or suburban neighborhood, numerous relevant sales may exist within a small radius.

In a rural, luxury, or highly specialized market, the appraiser may need to search:

Several miles away
Across multiple subdivisions
In another nearby community
Elsewhere within the same regional market

Distance matters because buyers often prefer certain areas, but geographic closeness does not automatically establish comparability.

A nearby inferior sale should not necessarily receive more weight than a slightly more distant sale that closely matches the subject’s:

Property type
Quality
Condition
Acreage
View
Amenities
Buyer profile

Freddie Mac requires comparable selection to reflect the actions of market participants and permits sales from competing neighborhoods when appropriate and supported. Freddie Mac appraisal comparable requirements

Sale Date

Recent sales generally provide stronger evidence of current market value.

However, there is no universal rule that every comparable must have closed within six months.

The best available comparable may be older when:

Few similar properties sell
The subject is unique
The market is rural
The home is luxury construction
The property has substantial acreage
The development has limited turnover
A major feature is difficult to match

An older sale may require a market-condition or time adjustment when credible data shows that values changed between the sale date and appraisal date.

The appraiser should balance:

Recency
Physical similarity
Locational similarity
Market relevance
Reliability of adjustments

A sale from three months ago that is materially inferior may be less useful than a very similar sale from nine months ago.

Older sales should not be used merely to reach a desired value when better current evidence exists.

Closed Sales

Closed sales generally provide the strongest evidence because they reflect completed transactions.

The appraiser can analyze:

Final sale price
Closing date
Financing
Concessions
Marketing history
Property condition
Exposure time

A closed sale does not automatically become a good comparable.

The appraiser must still determine whether the property competed with the subject.

Pending Sales

Pending sales can show:

Current buyer activity
Direction of the market
Demand for a property type
Likely value range
Competition facing the subject

The final price may not be available or verifiable before closing.

Pending sales usually supplement rather than replace closed-sale evidence.

Active Listings

Active listings show the subject’s current competition.

They can help establish an upper boundary because buyers may choose an available listing instead of paying more for the subject.

However, a listing price represents what a seller is asking—not what a buyer has agreed to pay.

An overpriced listing does not establish market value.

The appraisal should distinguish clearly between:

Closed sales
Pending transactions
Active listings

Property Type

A good comparable should generally have the same or a competitive property type.

Examples include:

Detached single-family home
Condominium
Townhome
Manufactured home
Modular home
Two- to four-unit property
Planned-unit development
Rural residence
Barndominium
Log home
Dome home
Mixed-use property

A condominium is generally not directly comparable to a detached house merely because both have similar square footage.

Ownership structure, maintenance obligations, land interest, association expenses, financing availability, and buyer demand differ.

Likewise, a manufactured home should not automatically be compared with a site-built home without strong evidence that buyers treat them as competitive substitutes.

Design and Architectural Style

Design can affect marketability and value.

Common designs include:

One story
Two story
Split level
Ranch
Contemporary
Colonial
Mediterranean
Craftsman
Victorian
Farmhouse
Log construction
Barndominium

A one-story home may attract a different buyer group from a three-story property with extensive stairs.

A contemporary custom home may not compete directly with older traditional construction even when the homes are similar in size.

The appraiser should consider whether the market recognizes a design difference and whether an adjustment is supportable.

Age

Similar construction age can improve comparability, but chronological age is not the only issue.

The appraiser may also consider:

Effective age
Remaining economic life
Renovation history
Construction methods
Building standards
Functional design
Deferred maintenance

A well-renovated 40-year-old home may compete more directly with a 10-year-old home than with an unrenovated property built in the same year.

Age differences should be evaluated through market reaction, not a rigid dollar amount per year.

Quality of Construction

Construction quality addresses materials, workmanship, design, and overall execution.

Relevant features can include:

Foundation
Framing
Roofing
Windows
Cabinetry
Flooring
Millwork
Fixtures
Ceiling height
Architectural complexity
Energy features
Customization
Exterior materials

Two homes can have the same size and age while having very different construction quality.

A custom luxury home should not be compared casually with production construction based only on bedroom count and square footage.

Fannie Mae expects appraisers to apply quality ratings consistently and explain material differences affecting value or marketability.

Property Condition

Condition describes the property’s current physical state.

The appraiser may evaluate:

Renovation level
Maintenance
Deferred repairs
Roof
HVAC
Plumbing
Electrical systems
Kitchen
Bathrooms
Flooring
Windows
Foundation
Exterior
Functional obsolescence

A recently renovated home may not be comparable to an otherwise similar property needing extensive work.

Photographs and listing remarks can help reveal differences, but they may not tell the complete story.

A home described as “updated” might have:

New paint and fixtures
A partially renovated kitchen
Complete replacement of major systems
A full structural and cosmetic renovation

The appraiser must analyze what was actually completed and how buyers reacted to it.

Gross Living Area

Gross living area is important, but similar square footage alone does not make two properties comparable.

The appraiser considers:

Above-grade finished area
Below-grade finished area
Room configuration
Ceiling height
Functional utility
Measurement standards
Permitted additions
Accessory areas

A 2,500-square-foot home may compete reasonably with homes ranging above or below that figure when the overall properties are similar.

A rigid size cutoff can exclude meaningful sales.

Large size differences may require:

Market-supported adjustments
Additional explanation
Different comparable selection
Less weight in reconciliation

The adjustment should reflect what buyers pay for incremental living area—not the average sale price per square foot.

Above-Grade Versus Below-Grade Space

Basements and other below-grade areas are generally analyzed separately from above-grade living area.

Even when a finished basement has:

Bedrooms
Bathroom
Recreation space
High-quality finishes

The market may value it differently from above-grade space.

Comparing total finished area without distinguishing its location can create misleading conclusions.

The appraiser should compare:

Above-grade area
Below-grade area
Basement finish
Basement access
Natural light
Ceiling height
Functional utility

A walkout basement may receive different market recognition from a fully below-grade basement.

Bedroom and Bathroom Count

Bedroom and bathroom count can influence market appeal, but not every difference requires the same adjustment.

The effect depends on:

Property size
Price range
Buyer expectations
Floor plan
Local market
Bedroom legality
Bathroom type

A fourth bedroom may add meaningful value in a family-oriented market.

In another market, buyers may view the same space as an office or flex room with limited price impact.

The appraiser should determine whether buyers pay measurably more for the difference.

Functional Utility

Functional utility describes how well the property’s layout and features serve their intended use.

Potential issues include:

Bedroom accessible only through another bedroom
Inadequate bathroom count
Poor room flow
Low ceilings
Unusual additions
No interior access to part of the home
Oversized or undersized rooms
Excessive stairs
Inadequate parking
Obsolete kitchen design
Accessory unit without appropriate utilities

Two homes with the same living area may have different market appeal because one uses the space much more effectively.

A good comparable should have similar utility or allow the appraiser to recognize the difference.

Site Size

Lot size can affect value, but additional land does not always contribute at a constant rate.

The appraiser considers:

Usable area
Shape
Topography
Access
Frontage
Floodplain
Utilities
Easements
Zoning
Subdivision potential
Agricultural use
View
Privacy

A one-acre lot is not automatically worth twice as much as a half-acre lot.

Marginal land may contribute less per acre as the site becomes larger.

For example, buyers may pay a substantial premium to move from a small subdivision lot to one acre but relatively little additional premium to move from nine acres to ten.

The appraiser should analyze market reaction rather than applying a simple price-per-acre calculation.

Acreage Properties

Acreage properties often require a wider geographic search.

The best comparable may need to match:

Total acreage
Usable acreage
Land type
Improvements
Road access
Water source
Septic system
Agricultural exemption
Outbuildings
Fencing
Topography
Proximity to employment and services

A nearby subdivision home on a quarter-acre lot may provide some evidence for the residence itself but may not adequately represent a rural property’s complete market appeal.

The appraiser may use different sales to understand different property components while avoiding unsupported mathematical assembly of value.

See Mortgage Financing for Acreage Properties in Texas.

View and Location Influence

View can create substantial value differences.

Examples include:

Waterfront
Hill Country
Golf course
Greenbelt
Downtown skyline
Mountain
Canyon
Park
Commercial property
High-traffic road
Power lines
Industrial use

The appraiser should determine whether buyers pay more or less for the influence.

A view adjustment should be supported by market evidence when possible.

Descriptive labels alone are insufficient if two properties classified as having a “view” offer materially different experiences.

Pools

A pool’s value contribution depends on:

Market
Climate
Price range
Pool condition
Design
Remaining yard
Buyer expectations
Maintenance cost

In some Texas neighborhoods, a pool can be a significant competitive feature.

In another market, it may contribute modest value or limit the buyer pool.

The cost to install the pool does not establish its market contribution.

A comparable without a pool may still be useful if the appraiser can support the adjustment.

Garages and Parking

Parking differences can materially affect buyer demand.

The appraiser may compare:

Garage capacity
Attached versus detached
Carport
Driveway parking
Street parking
Garage condition
Workshop area
Electric-vehicle charging
Parking access

A three-car garage may be expected in one luxury market but unusual in another.

The adjustment should reflect local market behavior.

Accessory Dwelling Units and Guest Houses

An accessory dwelling unit may include:

Guest house
Casita
Garage apartment
In-law suite
Detached living quarters
Converted structure

Comparability depends on:

Legality
Permits
Size
Condition
Utilities
Kitchen facilities
Access
Privacy
Rental potential
Market acceptance

A main house with a legal detached guest residence may not be adequately compared with a standard single-family home lacking similar utility.

The appraiser may need to search farther away or use a combination of sales to understand the contribution.

Outbuildings

For rural and specialized properties, outbuildings may include:

Barn
Workshop
Stable
Equipment building
Detached garage
Storage building
Riding arena
Agricultural structure

The appraiser should evaluate whether the improvement is:

Typical for the market
Residential in character
Commercial in nature
Functional
In good condition
Overbuilt for the property
Supported by buyer demand

Construction cost does not necessarily equal market value.

A specialized structure may be expensive but appeal to only a narrow buyer group.

Solar Panels

Solar requires careful analysis.

The appraiser may consider:

Ownership
Lease
Power-purchase agreement
Outstanding financing
System size
Age
Utility savings
Transferability
Market acceptance

Owned solar may receive different market treatment from leased or financed equipment.

The appraiser should not automatically add the system’s installation cost to value.

A comparable’s solar arrangement should be understood before treating it as similar to the subject.

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Arm’s-Length Transactions

An arm’s-length sale generally involves unrelated parties acting in their own interests without unusual pressure.

The appraiser may investigate whether a transaction involved:

Family members
Employer and employee
Landlord and tenant
Business partners
Distress
Foreclosure
Short sale
Estate
Relocation company
Builder incentive
Off-market arrangement

A non-arm’s-length transaction is not automatically unusable.

The appraiser must understand whether the transaction reflects normal market behavior and explain its relevance.

Distressed Sales

Foreclosures and short sales may be appropriate comparables when they compete directly with the subject and reflect a meaningful portion of market activity.

The appraiser should consider:

Property condition
Marketing exposure
Seller motivation
Financing availability
Buyer expectations
Prevalence of distress sales

A distressed sale in poor condition may require adjustments or receive less weight when the subject is a well-maintained traditional sale.

It should not automatically be excluded if buyers genuinely considered it as competition.

Seller Concessions

A comparable’s reported price may include concessions such as:

Closing-cost assistance
Interest-rate buydown
Discount points
HOA payments
Repair allowance
Personal property
Builder incentive
Sales commission assistance

The appraiser must determine whether the concession affected the price.

Not every dollar of concession requires a dollar-for-dollar adjustment.

The relevant question is whether the sale price was increased because of the concession and how the market reacted.

In markets where seller-paid closing costs are common, a concession may have little or no measurable effect.

In another transaction, a substantial incentive may have resulted in an inflated contract price.

Personal Property

Personal property may include:

Furniture
Equipment
Vehicles
Artwork
Electronics
Farm equipment
Hot tubs
Non-realty appliances

Mortgage collateral value generally concerns real property.

If personal property materially influenced the sale price, the appraiser may need to account for it.

Ordinary appliances commonly transferred with homes may receive different treatment from high-value non-realty items.

Financing Terms

Unusual financing can affect the apparent sale price.

Examples include:

Seller financing
Below-market interest rate
Assumable loan
Contract for deed
Large buydown
Nonmarket concessions
Trade or exchange
Sale-leaseback

The appraiser should verify whether the transaction reflects cash-equivalent market terms.

A higher price achieved only because the seller provided unusually favorable financing may not directly represent market value under normal financing.

Exposure and Marketing History

A good comparable should have credible marketing information.

The appraiser may review:

Original list price
Final list price
Days on market
Price reductions
Prior listings
Contract history
Multiple offers
Seller concessions
Failed contracts

Very short or unusually long exposure may require explanation.

An off-market sale can still be valid, but the appraiser should determine whether it reflects normal market behavior.

Verification of Comparable Data

Comparable information should be verified using reliable sources.

These may include:

Multiple Listing Service
Public records
Deed records
Tax records
Closing documents
Real estate agents
Buyers or sellers
Builders
Appraisal databases
Other independent sources

Public records can contain errors.

MLS information can also be incomplete or promotional.

The appraiser should reconcile conflicting data rather than automatically accepting one source.

Important information to verify includes:

Sale price
Sale date
Living area
Site size
Concessions
Property condition
Relationship between parties
Financing
Renovation history

Comparable Adjustments

An appraiser adjusts a comparable—not the subject—to account for significant differences.

If the comparable is inferior, the adjustment is generally positive.

If the comparable is superior, the adjustment is generally negative.

For example:

Comparable lacks the subject’s pool: possible positive adjustment
Comparable has a superior view: possible negative adjustment
Comparable is smaller: possible positive adjustment
Comparable is in superior condition: possible negative adjustment

The adjusted sale prices help indicate what each comparable might have sold for if it were more similar to the subject.

Adjustments must reflect supported market reaction rather than:

Construction cost alone
Personal preference
Arbitrary formulas
A number needed to reach the contract price

Fannie Mae directs appraisers to base adjustments on market data and analysis and to explain adjustments that may not be readily understood. Fannie Mae adjustment guidance

Are There Maximum Adjustment Limits?

Borrowers and real estate professionals sometimes hear that a comparable cannot exceed:

10% for a line-item adjustment
15% net adjustment
25% gross adjustment

Those figures have historically been used as review benchmarks, but they should not be treated as universal automatic eligibility limits.

A comparable requiring substantial adjustments may still be the best available market evidence.

The appraisal should explain:

Why the sale was selected
Why a more similar sale was unavailable
How the adjustments were supported
Whether the sale remains reliable

Large adjustments can signal that the comparable is less similar, but the size of an adjustment alone does not determine whether the sale is usable.

Fewer Adjustments Do Not Always Mean a Better Comparable

A sale requiring fewer total adjustments may appear stronger.

However, adjustment quantity alone does not establish comparability.

One sale might need only two adjustments but be located in a substantially different market.

Another might need several modest adjustments but be located in the same subdivision and appeal to the same buyers.

The appraiser should evaluate the nature and reliability of the differences, not simply count adjustment lines.

Bracketing

Bracketing means selecting comparables that fall above and below the subject for important characteristics.

Examples may include:

Larger and smaller homes
Superior and inferior condition
Larger and smaller sites
Higher and lower sale prices
Homes with and without a pool
Newer and older homes

Bracketing can help demonstrate how the market responds to a feature.

It is a useful appraisal technique but not an inflexible requirement that every characteristic be bracketed in every assignment.

Limited market data can make perfect bracketing impossible.

Comparable Weighting

The appraiser does not normally average the adjusted sale prices mechanically.

Different comparables may receive different weight.

A sale may receive more weight because it is:

Most similar
Most recent
In the same neighborhood
Best condition match
Most reliable transaction
Least dependent on subjective adjustments

Another sale may receive less weight because it is:

Distant
Older
Highly adjusted
Poorly documented
Located in a different market segment
Influenced by unusual financing

The appraisal’s reconciliation should explain how the evidence supports the final value conclusion.

New Construction Comparables

For new construction, the appraiser may use:

Sales from the subject builder
Sales from competing builders
Resales
Sales within the development
Sales from competing developments

Builder sales can provide important evidence but may include:

Incentives
Rate buydowns
Upgrade packages
Lot premiums
Closing-cost assistance
Affiliate financing

The appraiser should understand the complete transaction.

Using only the subject builder’s sales may not adequately demonstrate broader market acceptance when competing-builder or resale data is available.

Condominium Comparables

Condominium comparables require attention to:

Same project
Competing projects
Unit type
Floor
View
Building amenities
HOA dues
Parking
Storage
Renovation
Project condition
Special assessments
Rental restrictions

A sale in the same building can be highly relevant, but it may still differ substantially because of floor level, view, condition, or unit type.

A similar unit in a competing project may sometimes provide better evidence.

Project eligibility and appraised value remain separate mortgage considerations.

Manufactured-Home Comparables

Manufactured-home valuation may require comparable sales that reflect:

Manufactured construction
Similar age
Similar size
Permanent foundation
Land ownership
Title status
Similar site
Similar market acceptance

A site-built home should not automatically replace available manufactured-home sales.

When limited data requires the use of another construction type, the appraiser must provide appropriate analysis and support.

Land-home packages, leased-land transactions, dealer sales, and personal-property transfers may require special attention.

Luxury and Unique Properties

A unique property may have no truly close comparable.

The appraiser may need to use sales that differ in:

Distance
Age
Size
Architecture
Amenities
Site
Price range

The report should explain why each sale was selected and how the differences were analyzed.

For highly unique properties, the appraiser may also give greater consideration to:

Cost approach
Land sales
Replacement cost
Depreciation
Specialized buyer demand
Longer marketing time

The absence of identical sales does not automatically make a property unfinanceable.

It does increase the importance of appraisal competency, explanation, and lender review.

See Appraising Unique and Luxury Homes.

Rural Comparables

Rural appraisal markets often have:

Few recent sales
Large variation in acreage
Different water sources
Septic systems
Private roads
Agricultural improvements
Outbuildings
Mixed land uses
Longer marketing times

The appraiser may need to expand both time and distance.

A comparable 15 miles away can be more relevant than a nearby property when it matches the subject’s:

Acreage
Land utility
Residence quality
Improvements
Buyer profile

The report should explain why the broader search reflects the market.

School Districts and Comparable Selection

School boundaries can influence value when buyers recognize and pay for the difference.

An appraiser should not assume that every school-district difference requires an adjustment.

The market must support the conclusion.

Relevant evidence may include:

Paired sales
Consistent price differences
Buyer search patterns
Competing listings
Market interviews

Comparables from another district may be appropriate when the areas compete directly, but material market differences should be analyzed.

Tax Assessments and Online Estimates

Tax values and automated online estimates do not usually substitute for comparable-sale analysis.

Tax assessments may be:

Based on mass appraisal
Updated on a different schedule
Subject to exemptions
Limited by state law
Based on incomplete property information

Online estimates may not recognize:

Condition
Renovations
View
Functional problems
Outbuildings
Concessions
Interior quality

They can provide context but do not prove that an appraiser’s comparable selection is correct or incorrect.

What Makes a Comparable Weak?

A comparable may be weaker when it:

Appeals to a different buyer group
Is in a materially different location
Is much older without explanation
Has substantially different quality
Has substantially different condition
Requires unsupported adjustments
Involves an unusual transaction
Has incorrect or unverifiable data
Includes substantial unrecognized concessions
Is a listing presented as though it were a sale
Was selected only because it supports a desired value
Differs in property type or legal use
Has substantially different acreage or site utility
Falls outside the subject’s true competitive market

A weak comparable is not always unusable.

Its limitations should be disclosed and considered in the final reconciliation.

What Makes a Comparable Strong?

A strong comparable usually has several of the following characteristics:

Same competitive market
Similar buyer appeal
Similar property type
Similar design
Similar quality
Similar condition
Similar size
Similar site utility
Recent closing
Arm’s-length transaction
Reliable data
Typical financing
Limited unexplained differences
Market-supported adjustments

No single characteristic controls the analysis.

The appraiser must evaluate the comparable as a complete property and transaction.

Choosing Comparables for an Appraisal Challenge

When challenging a low appraisal, do not simply search for the highest sales.

For each proposed comparable, explain:

Why the same buyer would consider it
How it is similar
How it differs
Why it is superior to a sale already used
Whether concessions were involved
Whether the appraiser could have known about it
Whether it closed before the appraisal’s effective date

A strong submission may include:

Complete address
MLS number
Sale date
Sale price
Living area
Lot size
Property characteristics
Listing photographs
Concession information
Renovation details
Short explanation of relevance

Three strong sales are generally more useful than a large list of properties selected only because they sold for more.

See How to Challenge a Low Mortgage Appraisal.

What Can Go Wrong?

The Closest Sales Are Chosen Automatically

The nearby properties may belong to a different market segment.

Only Higher-Priced Sales Are Submitted

This can appear result-driven and may omit more relevant market evidence.

Listings Are Treated as Closed Sales

Asking prices do not establish completed market transactions.

Square Footage Is the Only Comparison

Location, condition, quality, land, and utility may be more important.

Renovation Differences Are Ignored

An updated home and an original-condition property may not compete equally.

Sale Concessions Are Overlooked

A buydown or closing-cost credit may have affected the sale price.

Rural Comparables Are Rejected Because of Distance

Acreage buyers may routinely search a much larger area.

Older Sales Are Rejected Automatically

A highly similar older sale may remain relevant in a thin market.

Price Per Square Foot Is Used as the Entire Valuation

Price per square foot can conceal material property differences.

Construction Cost Is Treated as Market Value

An improvement’s cost and its contribution to value may differ substantially.

Questions Worth Asking

When reviewing appraisal comparables, ask:

Would the same buyer consider both properties?
Are they in the same competitive market?
Does a school-district boundary matter?
Are the property types the same?
Are quality and condition similar?
How close are the living areas?
Is the lot similarly usable?
Are views and external influences comparable?
Did the sale close before the appraisal date?
Were concessions involved?
Was the sale arm’s length?
Were renovations recognized?
Are adjustments supported by market behavior?
Why were more recent or closer sales not used?
Are active listings being confused with closed sales?
Which comparable deserves the most weight?
Does the appraisal explain the final reconciliation?

Common Misconceptions

“Every Comparable Must Be Within One Mile”

Appropriate distance depends on the property and its competitive market.

“Every Comparable Must Have Sold Within Six Months”

Recent sales are preferred, but older sales may be appropriate when they provide stronger evidence.

“The Most Similar Square Footage Makes the Best Comp”

Size is only one part of comparability.

“The Highest Sale Is the Best Evidence”

A higher-priced property may be superior in location, condition, quality, or amenities.

“A Sale in the Same Subdivision Is Always Better”

Subdivision location helps, but the property may still be a poor physical or market match.

“Adjustments Must Stay Under Fixed Percentage Limits”

Large adjustments warrant explanation but are not necessarily automatic disqualifiers.

“Renovation Cost Equals Added Value”

Buyer reaction determines market contribution.

“A Pool Adds the Same Amount Everywhere”

Pool contribution varies by market, price range, condition, and buyer demand.

“Price Per Square Foot Is the Appraisal”

Residential appraisal requires broader market analysis.

“An Appraiser Must Use the Realtor’s Comparables”

The appraiser should consider relevant information but remains responsible for independent comparable selection and analysis.

Real Lender Perspective

The best appraisal comparables tell a coherent market story.

If the subject is a renovated 3,500-square-foot home on two acres, the strongest sales should help answer:

What do buyers pay for similar acreage?
What do buyers pay for similar quality and condition?
How does the location compare?
How much does the market recognize the additional living area?
Are the outbuildings typical?
What alternatives were available to the buyer?

One comparable may be the best location match.

Another may be the best acreage match.

A third may be the best condition and quality match.

The appraiser can use all three when the analysis clearly explains their strengths and weaknesses.

A credible appraisal does not require perfect comparables.

It requires the best available evidence, market-supported adjustments, and a logical reconciliation.

Who This Guide Is For

This guide may be especially helpful for:

Homebuyers reviewing an appraisal
Sellers responding to a low value
Homeowners refinancing
Real estate agents preparing comparable sales
FHA borrowers
VA borrowers
USDA borrowers
Jumbo borrowers
Buyers purchasing acreage
Luxury-home buyers
Condominium buyers
Manufactured-home buyers
Borrowers preparing a reconsideration of value

Final Thoughts

A good appraisal comparable is a property that competed with the subject for the same typical buyers.

The appraiser should consider:

Location
Sale date
Property type
Design
Quality
Condition
Living area
Site
Amenities
Transaction terms
Market appeal

No single rule concerning distance, age, square footage, or adjustments determines whether a comparable is acceptable.

The best comparable is the one that provides the most credible evidence after its similarities, differences, transaction details, and market relevance are fully understood.