Appraisal services in Calvert County, Anne Arundel County, and surrounding areas by Michael A. Thomas & Associates, Inc. Certified Residential Appraiser, FHA Approved. Commercial and Residential Properties -- Over 20 years experience in providing dependable and accurate appraisals throughout Maryland, Virginia, and the District of Columbia. Candidate Member of The Appraisal Insititute and Member of The Maryland Association of Appraisers, Inc.