subject: Why to hire an appraiser? [print this page] Before hiring,it is necessary to find if any other lenders recommend him/her and the types of projects done in the past. A seal of approvalto the figures, estimates, and commentary is made as an appraiser signs on the official appraisal documents, included in the overall assessment of the property. Although hiring a professional appraisal agency can be expensive, but you will be paying worth for it, because a professional appraisal, documented in proper manner, could solve many of your monetary issues.