A buyer and seller can agree on a price before a lender has accepted the property’s value for financing purposes.
That is where an appraisal comes in. It provides an independent opinion of market value, supported by information about the property and relevant market evidence.
Understanding how home appraisals work helps explain why an accepted offer, a renovation budget, and an online estimate can all differ from the final appraisal.
What a Home Appraisal Measures
An appraisal evaluates the property’s market value as of a particular date.
The appraiser considers characteristics such as location, size, condition, age, room count, lot size, and comparable properties. The objective is to develop a supported valuation—not simply confirm the negotiated purchase price. myhome.freddiemac.com
An appraisal is also different from a home inspection. An inspection examines physical condition and potential defects in greater detail. An appraiser may identify condition concerns, but the valuation does not replace a buyer’s inspection. myhome.freddiemac.com
How Comparable Sales Help Establish Value
Comparable sales, often called comps, help show what buyers have paid for similar properties.
The most useful comparison is not necessarily the closest home or the most recent sale. It is a property that provides relevant evidence about how buyers would evaluate the subject home.
When reviewing an appraisal, consider questions such as:
- Are the properties in competing locations?
- Are their sizes and layouts reasonably comparable?
- How do their condition and improvements differ?
- Do the sales reflect the relevant market period?
- Are important differences explained?
A sale across the street may still be a weak comparison if it involves a substantially different property. A farther-away sale may provide useful evidence when closer alternatives are limited.
Why Similar Homes Can Have Different Values
Two homes with the same bedroom count and approximate size can offer different ownership experiences.
Layout, usable outdoor space, condition, parking, views, and surrounding uses may influence how buyers compare them. Appraisers evaluate relevant differences rather than treating every square foot as interchangeable.
This is why multiplying a home’s size by a neighborhood’s average price per square foot is only a rough starting point. It does not reproduce the analysis in an appraisal.
Renovation Cost Does Not Automatically Equal Added Value
A new kitchen or remodeled bathroom may improve a home’s appeal. That does not establish that the appraisal will increase by the amount spent.
For an owner reviewing value, the useful distinction is between project cost and market support. Keep records of improvements, permits where applicable, and completion dates so the property’s features can be described accurately.
The same principle applies to unusual or highly personalized upgrades: their value needs support beyond the owner’s investment in them.
Why Independence Matters
A lender generally arranges the appraisal for a financed purchase. Federal valuation-independence rules prohibit improper pressure or manipulation of the result.
Independence does not prohibit providing relevant information. The rules allow requests for clarification, additional support, and correction of errors through appropriate channels. www.consumerfinance.gov
Buyers and sellers should focus on accurate property information and relevant evidence rather than trying to secure a predetermined number.
How to Review the Appraisal Report
Start with the property description, then review the comparable sales and the explanation supporting the conclusion.
Look for factual issues involving property characteristics or overlooked information. A disagreement with the final value is more useful when connected to a specific concern.
If something appears inaccurate, ask the lender about its reconsideration of value process. Federal guidance describes this as a way to review potential deficiencies or relevant information that may not have been considered. A review does not guarantee a revised value. www.federalreserve.gov
What the Result Means for the Transaction
An appraisal below the agreed price can prompt a financing review and further negotiation. Buyers should obtain the report, discuss the effect with their lender, and review contractual options with their agent.
The seller is not automatically required to reduce the price. Whether the buyer can cancel, renegotiate, or proceed depends on financing and the purchase agreement. www.consumerfinance.gov
Read the Reasoning Behind the Number
A useful appraisal is more than a value on the first page. It explains the property, the evidence considered, and how that evidence supports the conclusion.
For buyers and sellers, understanding that reasoning makes it easier to ask informed questions—and to distinguish a factual concern from a result that simply differs from expectations.