How a Home Appraisal From a Lender Can Make or Break a Mortgage for Your First Home or Beyond
A home appraisal is one of the last major checkpoints before closing, and it's one buyers have the least control over. Once an offer is accepted, the lender orders an independent appraisal to confirm the home is worth at least what's being borrowed against it.
The appraisal typically happens after making an offer and getting under contract, once a mortgage lender has a specific loan amount to verify against the home's value.
If the appraised value comes in at or above the purchase price, the process moves forward as planned. If it comes in low, that gap has to be resolved before the loan can close.
What a home appraisal is and why lenders require one
An appraisal is an independent, professional estimate of a home's market value, conducted by a licensed or certified appraiser with no financial stake in the sale.
Lenders require one because the home is the collateral behind the loan. If a buyer ever defaulted, the lender would need to recover close to what it lent by selling the property, so it needs an unbiased number confirming the home is actually worth that much.
By the time an appraisal happens, a buyer has already done the work of finding the right house and negotiating a price. The appraisal is, in essence, the lender double-checking that the number they agreed to actually holds up.
Not every loan uses a traditional in-person appraisal today. Some conventional loans qualify for appraisal waivers based on strong data from past sales, and lenders increasingly use hybrid or tech-assisted valuations that lean on data models and photos instead of a full walk-through.
What appraisers look for when valuing a home
Appraisers rely mainly on recent comparable sales—similar homes nearby that sold recently—adjusted for differences in square footage, lot size, condition, and upgrades. They also walk through the property itself, noting anything that could affect value, from a renovated kitchen to a cracked foundation.
An appraisal isn't the same thing as a home inspection, even though both involve someone walking through the house. An appraiser is focused on value for the lender, not the condition of the plumbing or the roof—that's the job of a home inspector, whom buyers hire separately to check for defects the sale price doesn't already reflect.
Veterans Affairs loans add another layer on top of value: The appraiser also checks the home against the VA’s own requirements.
"A VA appraisal does more than put a value on the home," says Chris Birk, vice president of mortgage insight at Veterans United Home Loans. "The appraiser is also looking at whether the property meets VA Minimum Property Requirements, and any issues tied to those requirements typically have to be addressed before closing."
Birk notes there's an upside to the extra scrutiny: It can flag property issues a new homeowner would otherwise discover only after moving in.
Who pays for the home appraisal—and whom the appraiser works for
The buyer almost always pays for the appraisal. The cost is typically a few hundred dollars, and it’s often rolled into closing costs. This is the case even though the appraiser is hired by the lender, not the buyer.
The appraiser's job is to protect the lender's interest in the loan, not to negotiate on the buyer's behalf or confirm the buyer is getting a good deal.
This is intentional: Federal rules put in place after the 2008 housing crash require a firewall between a lender's loan officers and the appraiser assigned to a deal, specifically to prevent anyone with a stake in the sale from pressuring the appraiser toward a certain number.
In practice, many lenders use a third-party appraisal management company to handle that assignment rather than picking an appraiser directly.
What happens when a home appraisal comes in low
A low appraisal means the home is valued below the agreed-on purchase price, and it puts the loan amount in question, since a lender won't lend more than the home is determined to be worth. Buyers generally have a few options: Renegotiate the price with the seller, cover the difference in cash if that's still within what they can afford, challenge the appraisal with additional comps, or walk away if the contract includes an appraisal contingency.
"Some sellers will lower their asking price to meet the appraised value," Birk says. "In other cases, the buyer might decide to pay the difference between the two in order to get the property they want."
VA loans handle this a little differently.
"There's a unique contract document with VA loans that allows would-be buyers to walk away from a transaction with their earnest money intact if an appraisal comes in low," Birk says. From there, a lender can lend only the lesser of the purchase price or the appraised value, which leaves a buyer choosing between a few paths.
Next steps after the home appraisal
If the appraisal supports the purchase price, the loan moves forward and the buyer heads toward the final walk-through and closing. If it came in low and the gap got resolved—through renegotiation, cash, or a successful dispute—the loan can proceed at the adjusted numbers.
Either way, it's worth running the updated numbers through a mortgage calculator or an affordability calculator once the appraisal is final, especially if the purchase price, loan amount, or down payment changed from what was originally planned.
Frequently asked questions
What happens if the appraisal is lower than the offer price?
The loan amount gets capped at the appraised value, not the purchase price, so the gap has to be resolved. That can be through renegotiation, extra cash from the buyer, a successful dispute, or walking away if the contract allows it.
Who pays for a home appraisal?
The buyer, typically. The fee is usually a few hundred dollars and gets rolled into closing costs, even though the appraiser is hired by the lender rather than the buyer.
Does the buyer get to choose the appraiser?
No. Lenders order appraisals through an independent system specifically to keep the appraiser unbiased and unconnected to either party in the sale.
Can a low appraisal be disputed?
Yes. A buyer or their agent can request a reconsideration of value by submitting additional comparable sales the original appraisal may have missed, though there's no guarantee it changes the outcome.
How long does a home appraisal take?
The appraiser's visit itself is usually quick, often under an hour, but the full report can take anywhere from a few days to about two weeks to arrive, depending on the market and the appraiser's workload.