What standards do appraisers use to estimate value?
General Answers

Appraisers use several factors when estimating a home's value, including the home's size and square footage, the condition of the home, the neighborhood it is located in, comparable local sales, any pertinent historical information, sales performance and indices that forecast future value. For detailed information on appraisal standards, go to http://www.appraisalinstitute.org.