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About EPA

Visiting the Pacific Southwest (Region 9) Office

The main office of EPA’s Pacific Southwest Region (Region 9) is located at 75 Hawthorne Street in the South of Market area of downtown San Francisco. Visitors may come to 75 Hawthorne Street for conferences, meetings, and to use the Environmental Information Center.

All visitors are required to show recognizable state or federal identification (such as a state-issued ID, driver’s license, passport or military ID) and pass through airport-style security screening.

Office Addresses

EPA Pacific Southwest San Francisco Office
75 Hawthorne Street
San Francisco, CA, 94105

EPA Southern California Field Office
600 Wilshire Blvd.
Suite 940
Los Angeles, CA 90017

EPA San Diego Border Office
610 West Ash St.
Suite 905
San Diego, CA 92101

EPA Pacific Islands Office
300 Ala Moana Blvd.
Room 5124
Honolulu, HI 96850


The following links exit the site Exit

The San Francisco Municipal Transportation Authority Trip Planner can provide transit options for our office at 75 Hawthorne Street, San Francisco.

The office is about .4 miles (8 minute walk) from the Montgomery Street Station serving Bay Area Rapid Transit (BART) and San Francisco Muni. There are also numerous bus lines. The closest CalTrain station is the San Francisco Station at Fourth and King Streets, which is a 1 mile (20 minute walk).