Now Golden Gate Sotheby's International Realty ; First Marin Realty and First SF was merged into Decker Bullock Sotheby's Int ... ernational Realty in 2015 . April of 2017 the firm of Dreyfus Sotheby's of Silicon Valley will be merged and re branded as Golden Gate Sotheby's International realty. Decker Bullock has 9 offices in Marin and did $ 2 billion in sales volume in 2016 . Our firm did over 1000 transactions. Our firm will be ranked 10th in the Sotheby's International global network of 153 and a leader of use of technology and video. First Marin Real Estate " First In Marin "and First SF Real Estate is an independent and family owned luxury boutique- firm established in 1975; We service both commercial and residential properties for our clients. . As a locally owned and managed company, we offer a luxury and personal approach to serving our clients. One of the largest Independent Real Estate companies in Marin County, First Marin is unhindered by large corporate bureaucracy and free to work in your best interests. With a stellar reputation in the SF Bay Area for real estate sales and service, First Marin clients praise the integrity, honesty and ability we bring to the buying or selling process . Owned and founded by Doug Engel ,Britt Engel and Marcine Engel. read more