Most people think the hard part of buying or selling a home is getting into a contract. But sometimes, one of the biggest hurdles shows up after both sides already agreed on the price: the appraisal.
An appraisal is a professional estimate of a property’s market value, usually ordered by the buyer’s lender. The lender wants to make sure the home is worth what the buyer agreed to pay before finalizing the loan. It’s essentially the bank’s way of managing risk.
When the appraisal comes in at the contract price or higher, the process usually moves forward without much attention. But when it comes in low, that’s when things can start getting complicated.
Here’s why it matters: lenders base the loan amount on the appraised value, not necessarily the purchase price. So if a buyer agrees to pay $1.8 million for a home but the appraisal comes back at $1.7 million, the lender may reduce how much they’re willing to finance. That leaves a gap that the buyer may need to cover out of pocket.
At that point, the deal often becomes a negotiation again. The seller may reduce the price, the buyer may bring in more cash, or both sides may meet somewhere in the middle. And if there’s an appraisal contingency in place, the buyer may also have the option to walk away entirely.
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In San Francisco, appraisals can be especially interesting because this market doesn’t always behave predictably. Unique homes, limited comparable sales, and competitive bidding can sometimes push contract prices ahead of what the appraisal data supports, particularly in neighborhoods where demand moves quickly.
That’s also why not all offers carry the same strength. A very high offer can look exciting on paper, but if the buyer is heavily financed and the appraisal comes in low, the transaction may suddenly become much less straightforward.
For buyers, understanding appraisal risk is important because it affects financing, cash requirements, and negotiating leverage. For sellers, it’s a reminder that the strongest offer isn’t always just the highest number—it’s the offer most likely to close smoothly.
This is also where working with an experienced local agent matters. Understanding recent comparable sales, pricing strategy, and how appraisers typically evaluate different property types in San Francisco can make a meaningful difference during the process.
Bottom line? Appraisals happen behind the scenes, but they can have a major impact on whether a deal closes smoothly, gets renegotiated, or falls apart entirely. Knowing how they work and planning for potential issues ahead of time can help both buyers and sellers avoid surprises once they’re already under contract.