What Happens During a Home Appraisal?
Between signing a purchase agreement and actually closing on a home, a licensed stranger shows up with a tape measure, a camera, and a checklist. What they produce in the following days can change the entire deal.
The short answer
A home appraisal is an independent, professional assessment of a property’s market value, typically ordered by the lender after a purchase agreement is signed. The appraiser inspects the home, compares it to similar properties that sold recently nearby, and produces a report with an estimated value. Lenders use that number to confirm they aren’t loaning more than the home is actually worth, since the property itself is the collateral for the loan.
Who orders it and who it protects
The lender orders the appraisal, and although the borrower usually pays for it as part of closing costs, the report is primarily there to protect the lender’s financial interest. That said, it indirectly protects the buyer too, by providing an independent check on whether the agreed purchase price is in line with comparable sales. This is different from a home inspection, which looks at the physical condition of the property rather than its market value — a home can appraise at full price and still have a leaking roof, since those are two separate questions.
Walking through the process
An appraiser typically visits the property, measures the square footage, notes the condition and features (bedrooms, bathrooms, updates, lot size), and takes photos. Back at their desk, they research recent sales of comparable homes in the area, adjusting for differences like an extra bathroom or a bigger yard, to arrive at an estimated value. The whole process, from ordering to receiving a finished report, often takes one to two weeks, which is part of why it’s factored into the overall closing timeline alongside steps like mortgage underwriting.
When the appraisal comes in at or above the price
If the appraised value matches or exceeds the agreed purchase price, the transaction generally moves forward without a hitch on this front, since the lender’s collateral concern is satisfied. This is the most common outcome in a reasonably priced deal, but it isn’t guaranteed, and it can’t be assumed until the report is in hand.
When the appraisal comes in low
A low appraisal, where the estimated value is below the purchase price, creates a gap the lender won’t finance, since the loan amount is typically based on the lower of the appraised value or the sale price. Buyers facing this situation generally have a few paths: renegotiate the price with the seller, bring additional cash to cover the gap, dispute the appraisal with supporting data, or in some cases walk away if the purchase agreement includes an appraisal contingency, which may also affect whether the earnest money deposit is returned. Which path makes sense depends heavily on the specific deal, the local market, and how much flexibility each party has.
A common misunderstanding
A frequent mix-up is assuming an appraisal and an inspection are the same visit or serve the same purpose. They’re conducted separately, often by different professionals, and answer different questions — value versus condition. Confusing the two can lead a buyer to skip one because they assume the other already covered it, which leaves a real gap in due diligence.
What to weigh
A home appraisal is a value check, not a value guarantee, and it exists mainly to protect the lender’s collateral while also giving the buyer useful independent information. Understanding that it’s separate from an inspection, and thinking through in advance how a low appraisal might be handled, are two ways to approach this step with fewer surprises. Because appraisal outcomes depend heavily on local market conditions and the specific property, it’s a step where the general mechanics matter more than any single number.