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A complete filing guide.
Small claims court is where money disputes are resolved on simplified procedures, with a filing fee set by the court and a hearing before a judge.
Below: the claim limit, the court's filing fee, the courthouse with its hours and phone, the towns and ZIP codes this county covers, and how to file. Squabble prepares the paperwork and files it for you.
Small claims here are heard at more than one courthouse. The court matches a case to a location by address.
Tap a courthouse to see its details in the list below.
Not sure which courthouse? Use the court's official court locator to match your ZIP code to the correct location, or let Squabble identify it for you automatically. Hub courthouses can change; confirm before you file.
San Mateo County has 3 courthouses listed above; Northern Branch is one of them. San Mateo County covers 39 ZIP codes, including the Atherton, Belmont and Brisbane areas.
Yes
Some, by court
Monday to Friday 8:00 AM to 5:00 PM
Saturday to Sunday Closed
Small claims cases in San Mateo County are handled by the Superior Court of California, which serves a county population of 742,893 and communities including Daly City, Half Moon Bay, Menlo Park, Pacifica, Redwood City, San Bruno, and South San Francisco, along with ZIP codes such as 94002, 94010, 94025, 94044, and 94063. The claim limit is $12,500. The Superior Court of California, County of San Mateo, located at 400 County Center, 1st Floor, Room A in Redwood City, can be reached at (650) 261-5100. The Northern Branch is also located in Redwood City and is open Monday through Friday from 8:00 AM to 5:00 PM, and closed Saturday and Sunday, with a listed phone number of (650) 363-4677. A further location of the Superior Court of California, County of San Mateo, stands at 1050 Mission Road South in South San Francisco, open Monday through Friday from 8:00 AM to 4:00 PM. The court accepts electronic filing. San Mateo County lies near Alameda County, Santa Cruz County, and San Francisco County.
More than one location takes small claims here. The court matches a case to a location by address.
A case filed here usually comes from one of these communities:
Atherton, Belmont, Brisbane, Burlingame, Daly City, El Granada, Half Moon Bay, La Honda, Loma Mar, Menlo Park, Millbrae, Montara, Moss Beach, Pacifica, Palo Alto, Pescadero, Portola Valley, Redwood City, San Bruno, San Carlos, San Francisco, San Gregorio, San Mateo, South San Francisco.
San Mateo County is the 15th most populous of California's 58 counties, with about 742,893 residents. Northern Branch, in Redwood City, is about 7 miles from the Alameda County courthouse in Hayward and 24 miles from the Santa Cruz County courthouse in Watsonville.
If the other side lives just over the county line, the case may belong next door:
Figures as of September 2026, from Squabble's own case records.
State law sets the rules on what the court can hear, serving the other side, filing deadlines, interest, the hearing and collecting a judgment.
Last checked August 2026. Verify current details with the court.
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