Real estate appraisals are very common in the housing market. An appraisal is generally carried out to determine the value of a property on the market. Any property can be appraised including commercial properties, condominiums, vacant lands, fully-built houses, and any other kind of real estate property. Basically, the main purpose of a real estate appraisal is to help a person in making a decision about whether he or she should go ahead with the deal or not based on value. When a seller puts up a property on the market, they must get an appraisal to properly determine the value.