Selling in the East Bay area? Get a free home value report
Purchasing in the East Bay area? Get full MLS access
So, to use an example, let's say you put an offer in on a home for $800K and the appraisal comes back saying the home is only worth $750K. If you're a buyer, this will give you a way to negotiate the sale price down to that level. Your buyer's agent should be able to accomplish this, or you might be able to meet in the middle somewhere.
If you're selling the home and it doesn't appraise out to the amount that you want, your agent could also contest the appraisal by finding comparable properties in the area. If your agent can prove that $800K is a fair and accurate price, you could get your buyer to pay that amount.
There are a lot of different things that can happen when a home doesn't appraise, and it can happen on either side of the transaction. The best way to handle these issues is simply to have a great real estate agent representing you.
If you need any further assistance buying or selling in the Bay Area, please don't hesitate to contact us!