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About This Office
Lucas Valley Law is a law firm in San Rafael, California. Public California State Bar records list Mark Keith DeLangis at this office address. State Bar records list an active license and admission in 1997. The profile identifies U of San Francisco School of Law in San Francisco, California as the law school. The attorney’s profile identifies Admiralty & Maritime Law, Construction Law, Contracts, Litigation, Toxic torts, and Transportation as practice areas self-reported to the State Bar. The profile reports California Lawyers Association membership in the Litigation section.
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Bar #190083 · Admitted 1997
Last verified November 3, 2026.
Source: California public attorney records. No affiliation or endorsement.
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