A real estate appraisal is a licensed professional’s independent opinion of a property’s market value as of a specific date. Lenders order one for most mortgage transactions to confirm the home is worth enough to secure the loan, and the appraiser’s conclusion sets the ceiling on what the lender will finance. The report belongs to the lender, even though the buyer usually pays for it.
What an Appraisal Actually Measures
The number on an appraisal is an estimate of “market value,” meaning the most probable price the property would fetch in an open, competitive sale where buyer and seller are both acting with reasonable knowledge and no unusual pressure. It is not a prediction of the sale price, and it is not a guarantee. It is one qualified professional’s reasoned judgment based on the data available, the methods that fit the property, and professional standards.
Every appraisal is tied to a single “effective date.” The value opinion applies to that day only. For a purchase, the effective date is usually the day the appraiser inspects the property. Appraisals can also look backward or forward. A retrospective appraisal estimates value as of a past date, most commonly a date of death for estate purposes. A prospective appraisal estimates value at a future date, which comes up with properties still under construction.
The work is governed by the Uniform Standards of Professional Appraisal Practice, known as USPAP. The Appraisal Foundation’s Appraisal Standards Board sets USPAP, and states enforce it.1Appraisal Subcommittee. USPAP Compliance and Appraisal Independence
Who Performs the Appraisal and Who Orders It
Only an individual holding a state-issued license or certification can perform an appraisal for a federally related transaction. The federal definition requires passing a state exam consistent with standards from the Appraiser Qualifications Board and meeting minimum education and experience thresholds.2Office of the Law Revision Counsel. 12 USC 3345 – Certification and Licensing Requirements States issue credentials at multiple levels, from Licensed Residential up through Certified General, with the higher levels authorized for more complex and higher-value work.
Your lender will almost never call an appraiser directly. Federal law requires lenders to keep anyone with a financial interest in the loan out of the appraiser selection process. Most lenders satisfy this through an appraisal management company (AMC), which maintains a roster of licensed appraisers, assigns the job based on geographic competence and availability, and delivers the finished report. Appraisals coordinated through an AMC still have to comply with USPAP.3Office of the Law Revision Counsel. 12 USC 3353 – Appraisal Management Company Minimum Requirements
Appraiser independence is backed by federal law. Anyone involved in originating or funding a loan is prohibited from pressuring, coercing, or incentivizing an appraiser to hit a target value, and withholding payment to punish an unwelcome conclusion is also barred.4Office of the Law Revision Counsel. 15 USC 1639e – Appraisal Independence Requirements If you believe an appraiser was pressured, you can file a complaint with the Appraisal Subcommittee or your state regulatory board.
How Appraisers Arrive at a Number
Appraisers draw on three recognized methods. Most reports consider all three, but one or two will do the heavy lifting depending on the property. The appraiser then reconciles the results into a single final opinion of value.
Sales Comparison Approach
This is the primary method for residential appraisals. The appraiser pulls recently sold properties in the same area that resemble the subject property. These “comps” anchor the analysis.
Each comp’s sale price gets adjusted to account for differences from the subject. A comp with a finished basement that the subject lacks gets its price adjusted downward. A subject with a bigger lot pushes the comp’s price upward. Adjustments cover square footage, bedroom and bathroom count, lot size, garage capacity, condition, and construction quality. If a comp sold months ago in a shifting market, the appraiser applies a time adjustment. Each comp also has to be an arm’s-length sale, free of duress or unusual terms.
Cost Approach
The cost approach fits newer construction, unique properties like churches or schools, and situations with few usable comps. The question it answers: what would it cost to build this today, minus the wear that has already occurred?
The appraiser estimates land value separately, usually from vacant-lot sales. Then they estimate the cost to rebuild the improvements, including labor, materials, and a developer’s profit, either as a replica or a modern equivalent. From that figure, they subtract depreciation. Physical deterioration covers things like an aging roof. Functional obsolescence covers design flaws like an outdated floor plan. External obsolescence covers losses from outside factors, such as a noisy highway or declining neighborhood. The depreciated improvement cost plus the land value equals the estimate.
Income Capitalization Approach
For rentals and investment properties, value tracks income. The appraiser calculates net operating income by subtracting operating expenses (maintenance, insurance, taxes, management) from gross rental income, then divides that figure by a capitalization rate drawn from comparable investment sales. A lower cap rate signals buyers are paying more per dollar of income, typical in stable, high-demand markets. A higher cap rate reflects more risk.
Traditional, Desktop, and Hybrid Appraisals
A traditional appraisal involves the appraiser physically visiting the property, walking through the interior, taking photos, and measuring the structure. That is still what most buyers encounter. Two alternatives have become more common.
A desktop appraisal is completed without a site visit. The appraiser works from public records, MLS data, prior appraisal files, and information supplied by the agent or homeowner, including photos and a floor plan. Fannie Mae’s automated underwriting system decides whether a loan qualifies for a desktop appraisal; borrowers cannot request one directly.5Fannie Mae. Desktop Appraisals Data supplied by anyone with a financial interest in the transaction has to be verified by a disinterested source.
A hybrid appraisal splits the difference. The appraiser still does not visit the property, but a trained third party, such as a real estate agent, insurance inspector, or another appraiser, performs the on-site data collection, including interior measurements and photos. The appraiser then develops the value opinion from that data plus their own market research. Hybrids are eligible for one-unit properties including condos and PUD units, for purchases, limited cash-out refinances, and cash-out refinances. They are not available for two-to-four unit properties, co-ops, manufactured homes, or new construction.6Fannie Mae. Hybrid Appraisals
What’s in the Report
For a standard one-unit home, the industry-standard document is the Uniform Residential Appraisal Report, Fannie Mae Form 1004. It is used for appraisals based on an interior and exterior inspection and can also cover two-unit properties in some cases.7Fannie Mae. Appraisal Report Forms and Exhibits
The report opens with a description of the subject property: legal description, physical features, lot size, construction type, condition, and improvements. It describes the neighborhood and market conditions and flags adverse site conditions. The sales comparison analysis sits at the center of a residential report, listing every comp, every adjustment, and the reasoning behind it. A certification section requires the appraiser to affirm impartiality, disclose any interest in the property, and confirm USPAP compliance. A limiting-conditions section spells out what the appraiser did not verify, such as clear title or environmental hazards. Every report must state the effective date and the definition of value used.
When an Appraisal Is Required
Federal banking regulations require an appraisal by a state-certified or licensed appraiser for real estate transactions involving federally regulated lenders, with a few significant exemptions. Residential transactions at $400,000 or less are exempt, as are commercial transactions at $500,000 or less. Loans insured or guaranteed by a federal agency (FHA, VA) or eligible for sale to Fannie Mae or Freddie Mac follow their own appraisal rules instead.8eCFR. 12 CFR 323.3 – Appraisals Required
In practice, even exempt transactions usually get appraised because the lender, Fannie Mae, or Freddie Mac requires one under their own guidelines, and FHA and VA loans carry their own mandatory appraisal processes with property condition requirements layered on top. Most mortgage borrowers will see an appraisal regardless of the federal threshold.
Appraisals also come up outside the purchase context:
- Refinancing. The lender needs a current value to set loan terms and gauge equity.
- PMI removal. The Homeowners Protection Act ties cancellation of private mortgage insurance to your loan balance reaching 80% of the “original value,” defined as the lesser of the purchase price or the appraised value at the time of the original loan. The lender may ask for evidence that the value has not fallen below that figure, and if you want PMI removed early based on appreciation, your servicer will likely require a new appraisal.9Consumer Financial Protection Bureau. Homeowners Protection Act HPA PMI Cancellation Act Procedures
- Estate and probate. A retrospective appraisal sets the value at date of death for tax and inheritance purposes.
- Divorce. A neutral valuation supports the division of marital property.
- Property tax appeals. A current appraisal can anchor a challenge to a local assessment you believe is too high.
Cost, Timing, and Your Right to a Copy
The buyer typically pays for the appraisal. On a standard single-family home with a conventional loan, expect $300 to $600, though fees run higher for large, complex, or rural properties. The lender collects the fee upfront in most cases, or lists it on your closing disclosure. The report itself is ordered by and delivered to the lender.
Turnaround runs one to three weeks in most markets, measured from the order date to delivery. Hot markets and rural areas with few active appraisers can take longer.
You have a federal right to a free copy. For a loan secured by a first lien on a home, your lender must give you a copy of every appraisal and written valuation developed for your application, promptly after it is completed or at least three business days before closing, whichever comes first. There is no extra charge.10Consumer Financial Protection Bureau. Regulation 1002.14 – Rules on Providing Appraisals and Other Valuations The lender must notify you of this right in writing within three business days of receiving your application. You can waive the timing requirement, but the waiver has to be obtained at least three business days before closing.
Separately, the Fair Housing Act prohibits anyone in the business of appraising residential property from discriminating based on race, color, religion, sex, disability, familial status, or national origin.11Office of the Law Revision Counsel. 42 USC 3605 – Discrimination in Residential Real Estate Related Transactions If you believe your property was undervalued because of the racial or ethnic makeup of your neighborhood, you can file a complaint with HUD or your state appraiser regulatory board, or ask your lender for a reconsideration of value.
What to Do When the Appraisal Comes In Low
This is where most transactions hit trouble. When the appraised value falls below the contract price, the lender will only finance based on the lower number. Agreed to buy at $350,000 but the appraisal comes in at $335,000? The lender treats $335,000 as the value, your loan amount shrinks, and someone has to cover the $15,000 gap. You generally have four options.
- Cover the difference in cash. You raise your down payment to make up the gap. The deal survives, but you bring more money to closing.
- Renegotiate the price. Ask the seller to drop the price to the appraised value or split the difference. Sellers tend to engage more in a buyer’s market or when they are under time pressure.
- Request a reconsideration of value. If the report has factual errors, poor comp selection, or missing data, you can ask your lender to open a formal reconsideration. You need specific evidence, not general disagreement. Point to incorrect square footage, a comp that was a foreclosure sale when the subject is not, or a better comp the appraiser missed.12Consumer Financial Protection Bureau. Mortgage Borrowers Can Challenge Inaccurate Appraisals Through the Reconsideration of Value Process
- Walk away. If your contract has an appraisal contingency, you can cancel and recover your earnest money. Without that contingency, walking away may cost you the deposit.
Some buyers add an “appraisal gap clause” to their offer, especially in competitive markets. The clause commits the buyer to cover some or all of the difference between the appraised value and the contract price, up to a set dollar amount. It tells the seller that a low appraisal will not automatically sink the deal, which can strengthen the offer against competing bids.
An Appraisal Is Not a Home Inspection
These are different products, and the difference matters. An appraisal estimates what the property is worth. A home inspection evaluates physical condition: roof, foundation, plumbing, electrical, and so on. The appraiser notes overall condition and obvious defects that affect value, but they are not crawling the attic for mold or testing every outlet. An inspection is optional (though strongly recommended); an appraisal is typically required by the lender. One does not substitute for the other.