William Fleishhacker

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William Fleishhacker is an attorney that has practiced land use, real estate, and environmental Law for almost 20 years in both the public and private sectors.

William’s practice has focused on representing public and private entity clients on all aspects of the land use approval and environmental review process. He has worked on significant real estate development projects such as Mission Bay, the PacBell Park (now know as AT&T Park), and the Lucasfilm Digital Arts Center in the Presidio. His expertise includes local zoning regulations, the California Environmental Quality Act, the National Environmental Policy Act, the Subdivision Map Act, the Clean Water Act, and other federal, state and local laws affecting the development of real property. William has defended clients in litigation challenging the adequacy of land use approvals, and has also advised clients in litigation and compliance under California’s Proposition 65, and other federal and state environmental laws.
William began his legal career with the San Francisco City Attorney’s Office, where we worked as part of the office’s land use team. He then spent the next ten years in private practice, in the land use, real estate and environmental law practice groups with the law firms Morrison & Foerster; Steefel, Levitt & Weiss; and Sheppard, Mullin, Richter & Hampton.

Most recently, William worked as a Deputy County Counsel with the Office of the Alameda County Counsel. There, he advised the County on land use and general municipal law issues, and regularly counseled County Boards and Commissions during public meetings. William also served as the lead attorney advising the County on land use and environmental permitting issues related to the Altamont Pass wind farms.

William is a native San Franciscan, and serves on the Board of Directors of the San Francisco Conservation Corps, a local youth service and educational non-profit. William has also been active with The Guardsmen, a charitable organization benefiting Northern California youth, and served as Counsel to the Guardsmen Board of Directors.


– University of San Francisco School of Law, J.D., 1995, magna cum laude. Comments editor, University of San Francisco Law Review.
– University of California, Berkeley, B.A. in Psychology, 1990.