Conducting the Appraisal:  Key Differences Residential Versus Commercial Appraisals     Residential   Commercial   5 to 10 Days   Up to 4 Weeks   Cost = $300 - $450   Cost = $1,500 - $4,000   10-15 Page Report   55-100 Page Report   Many Comparables   Limited Comparables   “Cookie Cutter” Properties   Unique Properties Requires Only A Brief Area Description Requires Extensive Market Data