Mary Lou is a consummate real estate professional that makes the process of buying and selling homes an uplifting experience. A San Francisco native, Mary Lou has a tremendous appreciation for the City, its rich history, and its diverse communities. Her heritage and natural business instincts have provided her with a thorough understanding of the vagaries of the market in which she works. In her 25+ years of experience, she has worked successfully with CEOs, first time home buyers, corporate clients, internet founders and celebrities, both domestically and abroad.

Mary Lou has been recognized by numerous local media outlets as well as the Wall Street Journal as an outstanding real estate professional. She has been ranked among the top 25 Sotheby’s International Realty agents worldwide and year after year is in the top 2% of the nearly 50,000 sales associates. Her successes include one of the highest priced single family homes ever sold in San Francisco and the largest home sold in Marin. Her outstanding record speaks for itself.

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You may also contact her at:

Mary Lou Castellanos
Sotheby’s International Realty
Phone:  415-640-0135

Keith Dougherty

Keith Dougherty is a #1 best-selling real estate expert, speaker, performance coach, and the host of Top Agent Radio covering influencers, innovators, and trendsetters in Real Estate.