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Contact Agent

Tom Dreyert.dreyer@ggsir.comPhone: +1 415.412.3443CalBRE# 01143533View My Listings

Market Report

View Market Report The Annual Market report is Golden Gate Sotheby’s International Realty’s thorough yearly analysis of market trends broken down by community within San Francisco, Marin, Napa and Sonoma Counties.


Nestled in the foothills of towering Mount Tamalpais, Mill Valley is an intimate community whose beauty is only matched by its rich Marin County history. Mill Valley is home to municipally maintained open-space reserves, parks, and coastal habitats. These areas, along with the Mediterranean climate, allow the residents to enjoy outdoor recreation year round. Wrapping around Lytton Square, the business district offers art galleries, trendy fashion boutiques, open-air coffee shops, and more.  Located on 4.8 square miles, Mill Valley lies […]


In the heart of London on the New Bond Street in 1744, an exceptional auction house was born with a revered tradition of marketing the world’s most cherished possessions. A tradition, more than two centuries old, that provides authentic knowledge comparable to none. As the oldest company listed on the New York Stock Exchange (BID), Sotheby’s has a global network of 90 offices in 40 countries. Today, Sotheby’s presents auctions in eight different salesrooms including New York, London, Hong Kong […]

Property Details

5 BEDS 4 FULL BATHS 0 PARTIAL BATHS $2,100,000 PRICE 516 Summit Ave Mill Valley CA 94941 Just Listed! This quality, two-story Mid-Century home is located on approximately 2/3 of an acre in the heart one of Mill Valley’s finest neighborhoods and is surrounded by high-value homes and estates. The home is very livable as is and also has major “upside potential” for value enhancement. Features include: a great weather area, sunny level entry area with lawn and intimate patio, […]


Golden Gate Sotheby’s International Realty is one of the largest brokerages in Northern California, consistently representing the highest priced homes and most affluent buyers in the San Francisco Bay Area. The company is renowned for attracting the most successful and experienced agents who provide their clients with market knowledge, negotiation skills, local expertise and superior property marketing. Top agents affiliate with Golden Gate Sotheby’s International Realty because it provides their clients with the best of local independent ownership coupled with […]


Sotheby’s International Realty brand artfully unites exceptional homes with extraordinary lives throughout the world. Founded on the same commitment to exceptional service that characterized the Sotheby’s Auction House for more than two centuries, the Sotheby’s International Realty® brand was created in 1976 to connect the finest independent real estate companies with the most prestigious clientele in the world. The network includes over 20,000 independent sales associates in over 880 offices in 69 countries and territories offering the best in local […]

About Us

Tom Dreyert.dreyer@ggsir.comPhone: +1 415.412.3443 Tom Dreyer Tom Dreyer can be reached at tom.dreyer@sothebysrealty.com Thomas (Tom) Dreyer is a licensed Real Estate Broker and a certified Luxury Property Specialist.  Widely regarded for his attention to detail and communication skills, Tom has gained extensive experience since 1994 negotiating the purchase and sale of properties in all price ranges including single-family homes, multi-unit rentals, vacant lots, large acreage, and luxury estates. Dozens of longtime Marin and San Francisco families have sought out Tom […]