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Already known as one of the country’s wealthiest towns, Los Altos recently got a boost from one of its most prominent citizens. In 2009, Google co-founder Sergey Brin, a resident of Los Altos Hills and new father, joined with a handful of others to establish a real estate investment firm whose aim was to buy and renovate commercial properties in downtown Los Altos. The company, Passarelle Investments, has since been instrumental in the rebirth of Los Altos’ once sleepy downtown, […]

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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

6 BEDS 5 FULL BATHS 1 PARTIAL BATHS $6,198,000 PRICE 721 Berry Avenue Los Altos CA 94024 Coming Soon! This unforgettable residence marries one-of-a-kind spaces with luxurious custom features: • A semicircular drive with three-car garage escorts guests to interiors clad with wood and marble, layered crown molding, and graceful arches and columns • Must-have amenities include multi-zone climate control, back-lit recessed ceilings, surround sound, custom window treatments, and four gas fireplaces • High ceilings, skylights, and cascades of natural […]


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

Mary Jo McCarthymj.mccarthy@ggsir.comPhone: 650.400.6364 Mary Jo McCarthy Mary Jo is recognized by Golden Gate Sotheby’s International Realty as a “Top Producer.” For over 17 years, she has specialized in selling luxury real estate throughout the Silicon Valley with an emphasis in Menlo Park, Atherton, Palo Alto, Los Altos and the surrounding communities. Mary Jo is customer driven and is focused on the specific needs of each client. In the Silicon Valley, each community and neighborhood is unique. Mary Jo’s deep […]


Contact Agent

Mary Jo McCarthymj.mccarthy@ggsir.comPhone: 650.400.6364Lic.# 01354295View My Listings