Bay Area/ San Francisco/ Crime & Emergencies

Hazmat Crews Swarm Historic Presidio Golf & Concordia Club Over Chemical Scare

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Published on September 06, 2026
Hazmat Crews Swarm Historic Presidio Golf & Concordia Club Over Chemical ScarePresidio Golf & Concordia Club — Reported Chemical Scare Site
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San Francisco Fire Department hazmat units and fire companies responded to the Presidio Golf & Concordia Club Friday afternoon as crews worked to identify a hazardous material inside the historic private clubhouse. The available account did not report wording from any scene signage.

The department confirmed crews were on scene of an active hazardous materials incident, according to a post from San Francisco Fire Department Media

, which said hazmat units and fire companies were working to assess the situation, identify potential hazards, and ensure the safety of both the public and first responders. The department asked residents and businesses in the immediate area to avoid the area and follow directions from emergency personnel while the incident remained active, and said it would share additional information once it could be confirmed. The club lists its address as 8 Presidio Terrace, according to details published by the

Presidio Golf & Concordia Club

itself.

A Storied Clubhouse Inside Federal Parkland

The Presidio Golf & Concordia Club is a relatively recent institution built from much older roots. It formed in 2016 through the merger of the Presidio Golf Club — which had operated out of an 1898 clubhouse — with the Concordia-Argonaut Club, a social organization founded in 1864 by Levi Strauss and other prominent members of San Francisco's Jewish community, per background compiled by Fennie+Mehl Architects. The adjacent Presidio Golf Course itself dates to 1895, when it was built as a military officers' facility; it was later expanded to 18 holes in 1910.

SFFD was identified as responding to the incident. The available information did not identify the club's relationship to the Presidio, its park status, or which agency handled physical security or law-enforcement duties at the site.

According to the National Park Service, the United States Park Police functions as an NPS unit with jurisdiction in all federal parks, although that general description does not establish which agency handled this incident. A National Park Service planning document says the Presidio of San Francisco, including the bay and coastal areas known as Area A, is within NPS jurisdiction; the result does not by itself establish the club’s land status or the agency responsible for Friday’s response.

SFFD Response Details

SFFD's response to the hazmat call involved hazmat units and fire companies, according to the department's post. The department did not provide details about unit assignments, equipment, isolation procedures, atmospheric monitoring, or cleanup arrangements.

The exact nature of the chemical or hazardous material involved at the clubhouse had not been disclosed as of Friday night. It remains unclear whether any evacuations or medical evaluations took place, or whether environmental cleanup contractors have since taken over responsibility for the site. The department's post did not say whether any public-health hazardous-materials program was involved in Friday's response.

Citywide Scale of SFFD Response

The Presidio incident was part of SFFD's emergency-response work. For non-life-threatening hazards, the department directs the public to call 311, reserving 911 for emergencies.

The available information did not establish whether any hazardous-waste rules had a bearing on the Presidio club incident. SFFD said it would release more details about Friday's incident as they become available and can be confirmed.

According to the San Francisco Department of Public Health, the department is certified by the state to regulate and inspect businesses to ensure hazardous materials and hazardous waste are managed safely. A San Francisco Environment Department memo says firms are required to generate Hazardous Materials Business Plans that include storage and secondary-containment policies, but it does not establish that the club had such a plan or that the requirement applied to Friday’s incident.