Mary Catherine Wiederhold
Principal Attorney

Mary Catherine regularly represents property owners in disputes involving purchase and sale transactions and construction projects gone awry. She also advises homeowners involved in neighbor and co‑owner disputes, including partitions, Tenancy In Common (TIC) and condominium homeowner conflicts. She litigates her cases always focused on the client’s objective.

Before attending law school, Mary Catherine worked as a commercial real estate appraiser for a San Francisco firm with a national practice.

Learn more about Mary Catherine in this 2020 profile in Plaintiff magazine.

Organizations and Honors

Mary Catherine Wiederhold is recognized for her work on behalf of the community. She is on the Board of Directors of the San Francisco Trial Lawyers Association. In 2023, Mary Catherine was selected as Parliamentarian for the San Francisco Trial Lawyers Association.

In early 2022, she was selected to serve on the Bar Association of San Francisco’s Judiciary Committee for a three‑year term. The Judiciary Committee assists with the endorsement and selection of judges for the San Francisco Superior Court, the Court of Appeals and the California Supreme Court. The Committee evaluates candidates under consideration for appointment as well as those seeking election to the San Francisco Superior Court.

Mary Catherine was recognized as a Super Lawyer in 2020, 2021, 2022 and 2023.


She received the Housing Justice Award from the Bar Association of San Francisco and the Attorney of the Year award from the AIDS Legal Referral Panel. The Bar Association of San Francisco named her as an Outstanding Volunteer in Public Service.


“The Covid‑19 Pandemic and Tenants’ Rights” Plaintiff magazine
“Form Interrogatory Number 15.1: utilize it early and pursue it thoroughly” The Trial Lawyer
“Bad dog, no bone!” Plaintiff magazine
“What is the Ellis Act and How Does It Affect Your Clients?” The Trial Lawyer
“Getting A Fire Report Without Getting Burned” Plaintiff magazine
“Domestic Animals” CEB (Continuing Education of the Bar)
“Reasonable Accommodation: When To Ask On Behalf Of Your Tenant Client And What Happens If The Landlord Says, ‘No’?” The Trial Lawyer
“(Tenant’s) Dog Bites Man! What’s the Landlord’s Liability?” The Trial Lawyer

Speaking Engagements

Upcoming June 21-23, 2024 – San Francisco Trial Lawyer’s:  Association Conference
“Recent Developments in Arbitration”

“Tips and Tools for Litigating Crossover Cases” San Francisco Trial Lawyers Association, Panel
“Ethical and practical considerations regarding referral fees and fee sharing” San Francisco Trial Lawyers Association
“Bad dog, no bone: what to do after your client is bitten” San Francisco Trial Lawyers Association
“It’s Their Fault: Landlord‑Tenant Premises Liability” San Francisco Trial Lawyers Association
“Post‑judgments Motions in Unlawful Detainer Cases” AIDS Legal Referral Panel
“Burning Issues in Fire Cases” Consumer Attorneys of California
“The Mechanics of Pretrial Preparation” AIDS Legal Referral Panel





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Mary Catherine Wiederhold

Real Estate Attorney
1458 Sutter Street
San Francisco, CA 94109

Mary Catherine Wiederhold
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Courtney Brown
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Our offices are conveniently accessible to public transportation.

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