TRAC: The Real Estate Appraisal Company is an independent residential real estate appraisal service provider. Our company specializes in appraising residential properties located in San Francisco, San Mateo and Marin County. We serve a wide range of clientele consisting of mortgage brokers, certified public accountants, lawyers, business and homeowners. Our company has been in business since 1995, during which time we have written thousands of appraisal reports for many satisfied customers all over the country.