Austin Fernald Austin Fernald is a California certified residential appraiser and the founder of Realvals. He writes about the Bay Area real estate market, as well as the real estate appraisal industry as a whole. Latest Posts 26 Reasons to Get an Appraisal What is Marin County Known For? Key Features and Attractions What Cities Are in Marin County? Top 10 Most Affordable Places to Live in Marin County Do Home Appraisers Use Zillow?