Mary Lou Castellanos
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Mary Lou Castellanos

Sotheby’s International Realty

Phone: 415.901.1769
Fax: 415.901.1701

Website Address:

CalBRE# 00905399

One of the nation’s most successful real estate professionals, Mary Lou offers her clients extensive knowledge of San Francisco’s rich history, diverse communities and unique real estate market. Her stellar career has been built over more than two decades of representing a broad range of properties and clientele. She has been ranked among the top 25 agents with Sotheby’s International Realty and is consistently in the top 2% of the nearly 50,000 worldwide sales associates of the firm’s parent company, NRT. Additionally, on June 22, 2012 Mary Lou was named among the nation’s top real estate professionals in the annual ranking The Thousand, sponsored by The Wall Street Journal and REAL Trends, which is considered the most highly regarded real estate ranking in the country.

Mary Lou has earned the trust and respect of discriminating buyers, sellers and colleagues alike, and is highly regarded for her business acumen, work ethic and affable personality. She shows a singular dedication to representing clients ranging from first-time home buyers to celebrities, CEOs and entrepreneurs. Her portfolio of properties sold is equally as diverse and includes over 125 bank-owned homes sold since the end of 2008, high-end condominiums and co-ops and, at $29.5 million, the highest priced home in San Francisco MLS history.

Mary Lou’s business background, including a degree in International Business, and her travels to more than 45 countries have imbued in her a sensitivity to the needs of her international clients and have enhanced her ability to work with corporate clientele such as Bank of America, J.P. Morgan Chase, HSBC and Capital One. Accordingly, her work has drawn the attention of The Wall Street Journal as well as local media.

Mary Lou’s global experience and community involvement includes humanitarian and aesthetic endeavors as well. She participated in the Vietnamese and Angolan airlifts, as well as the Hadj airlifts, bringing West Africans to Saudi Arabia for their pilgrimage to Mecca. A culinary aficionado, she attends international cooking classes and founded, a website dedicated to assisting fellow food enthusiasts in finding and exploring local ingredients. She is past president of Pathways For Kids, is a board member of Enterprise for High School Students, and is ongoing co-chair of its Private Collections art tour.

  • Over 23 years in residential real estate sales
  • Began at Fuller Commercial Brokerage in office leasing
  • International Business degree from SF State University
  • Represents local & international clientele
  • Represented the buyer of the “Belli Mansion”, the highest priced home ever sold in MLS history
  • Sold over 160 bank owned properties since Dec. 2008
  • Ranked in the top 25 of all Sotheby´s agents worldwide
  • Named one of NRT´s top 1,000 agents 2007-2017
  • Founding member of the Luxury Market Council
  • Invitational Speaker for Top Producer Panels
  • Member of San Francisco Real Estate Roundtable