An appraisal update extends the life of an existing property valuation without requiring a brand-new appraisal from scratch. For conventional loans sold to Fannie Mae or Freddie Mac, the original appraisal stays valid for four months from its effective date; after that, an update is needed if the loan hasn’t closed.1Fannie Mae. Appraisal Age and Use Requirements The update confirms whether the property’s value has held steady, and lenders use it to verify the collateral still supports the loan amount. Timing matters more than most borrowers realize, because a value decline on an update can trigger a full replacement appraisal and derail a closing.
When You Need an Update
The clock starts on the effective date printed in the original appraisal report. For loans sold to Fannie Mae or Freddie Mac, an update is required when that effective date is more than four months but less than twelve months before the date of the note and mortgage.1Fannie Mae. Appraisal Age and Use Requirements Past twelve months, no update can save it. The lender must order a completely new appraisal.
Closing delays are the usual trigger. Title disputes, financing snags, and drawn-out negotiations can push a closing past the four-month window. Rapidly shifting markets also prompt lenders to request updates when the timing is borderline, because stale valuation data increases their risk exposure.
FHA and VA Loans Follow Different Timelines
Government-backed loans don’t follow the same four-month window. FHA appraisals are generally valid for 180 days from the effective date. VA appraisals, delivered through the Notice of Value, are typically valid for six months. Both programs have their own rules about when updates are permitted and when a new appraisal is mandatory, so borrowers with FHA or VA loans should confirm the specific timeline with their lender rather than assume the conventional rule applies.
Desktop Appraisals Cannot Be Updated
One boundary catches borrowers off guard. When the effective date of a desktop appraisal is more than four months old, a new appraisal is required outright. There is no update option for desktop appraisals.1Fannie Mae. Appraisal Age and Use Requirements If your loan used a desktop appraisal and closing slips past four months, expect to pay for an entirely new valuation.
Who Performs the Update
The original appraiser is the preferred choice, but the rules are more flexible than many borrowers expect. Fannie Mae guidelines allow lenders to use a substitute appraiser when the original is unavailable. The substitute must review the original report and provide an opinion on whether the original appraiser’s value conclusion was reasonable as of that earlier date. The lender also has to document in the file why the original appraiser wasn’t used.1Fannie Mae. Appraisal Age and Use Requirements
Appraiser independence rules govern what happens next. Federal law prohibits anyone with a financial interest in the transaction from pressuring an appraiser to hit a particular value. You cannot instruct, incentivize, or coerce an appraiser into adjusting a conclusion. You can ask an appraiser to consider additional comparable properties, provide more detail supporting the conclusion, or correct factual errors in the report.2Office of the Law Revision Counsel. 15 USC 1639e – Appraisal Independence Requirements Borrowers don’t contact the appraiser directly. The lender or an appraisal management company handles that communication.
How the Update Works
For conventional loans, the update requires an exterior inspection of the property and a review of current market data to determine whether the value has declined since the original effective date.1Fannie Mae. Appraisal Age and Use Requirements The appraiser drives by the property, then researches comparable sales that closed after the original appraisal date. Those newer comparables reveal whether the local market has moved up, held steady, or softened. The findings go into Part A of Fannie Mae Form 1004D (also called Freddie Mac Form 442).
The completed Part A delivers a straightforward conclusion: has the property’s market value declined since the original appraisal, or hasn’t it? If value has held steady or increased, the update effectively extends the original valuation. The report includes updated photographs and evidence of recent comparable sales supporting the conclusion, and it’s clearly labeled as an update so no one mistakes it for a full standalone appraisal.
One note on the form itself. Part B of Form 1004D is a different document, the Completion Report, used to confirm that construction, repairs, or other conditions from the original appraisal have been satisfied.3Fannie Mae. Requirements for Verifying Completion and Postponed Improvements A standard value update uses Part A only.
What Happens If the Value Has Declined
This is the scenario that trips up closings. If the appraiser indicates on Form 1004D that the property value has declined, the lender must order a completely new appraisal.1Fannie Mae. Appraisal Age and Use Requirements The update doesn’t simply assign a new, lower value and let the loan proceed. A value decline on an update voids the shortcut, forcing the lender back to a fresh full appraisal. That new appraisal carries its own fee, its own timeline, and its own four-month validity window.
A confirmed lower value can cascade into bigger problems for the borrower. The loan-to-value ratio rises, which may mean a larger down payment, higher mortgage insurance premiums, or the loan falling outside program eligibility limits entirely. In a purchase transaction, borrowers sometimes renegotiate the sale price to match the lower appraised value. In a refinance, a lower value can shrink or eliminate the cash-out the borrower was counting on.
Challenging a Low Value
If you believe the appraisal or update undervalued your property, you have a formal path to challenge it. Fannie Mae requires every lender to maintain a borrower-initiated reconsideration of value (ROV) process, and the lender must disclose that process to you when they deliver the appraisal report.4Fannie Mae. Appraisal Quality Matters Only one borrower-initiated ROV is allowed per appraisal, so the submission has to count.
A strong ROV request identifies specific problems, such as comparable sales that were poorly chosen or property features the appraiser overlooked. You can submit up to five additional comparable properties along with data sources like MLS listing numbers, and you need to explain why those comparables better support a higher value.4Fannie Mae. Appraisal Quality Matters The lender reviews your submission before forwarding it to the appraiser. Vague complaints that the value is “too low” without supporting data rarely succeed. Concrete evidence of missed comparables or factual errors gives the appraiser something to work with.
Your Right to See the Report
Federal law guarantees you a copy of any appraisal or written valuation connected to your loan application. Under the Equal Credit Opportunity Act’s implementing regulation, the lender must deliver the report either promptly after it’s completed or at least three business days before closing, whichever comes first.5eCFR. 12 CFR 1002.14 – Rules on Providing Appraisals and Other Valuations You can waive the three-business-day timing and agree to receive the copy at closing, but that waiver itself must be obtained at least three business days in advance. If the transaction falls through entirely, the lender still has to provide the appraisal within 30 days of determining the loan won’t close.
This right applies to appraisal updates the same way it applies to original appraisals. If your lender orders an update and you haven’t seen it, ask. You’re legally entitled to review the Form 1004D before you sit down at the closing table.
What an Update Costs
An appraisal update typically costs less than half of a full appraisal, because the appraiser builds on existing work rather than starting fresh. Expect somewhere in the range of $150 to $300 for an update, compared with $500 to $800 or more for a full appraisal. Fees vary by market, property type, and the individual appraiser. The borrower almost always bears this cost, even though the lender or an appraisal management company places the order. And if the update reveals a value decline and triggers a mandatory new appraisal, you’ll pay for both.