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Special Events & Permits in San Mateo County, CA (2026)

2 county-level rules, plus city-specific rules for 1 city in San Mateo County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of San Mateo County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Block Party Permits

The Director of Public Works may temporarily close County highways in unincorporated areas for block parties, celebrations and parades.

Unincorporated San Mateo County Street Closures

Some Restrictions

San Mateo County Ordinance Code § 7.02.010

The Director of Public Works may temporarily close County highways for parades, celebrations and other purposes for the protection of the public. In emergency situations the Director of Public Works may immediately restrict the use of, or close, any County highway whenever he considers such closing or restriction of use necessary: (a)For the protection of the public;(b)For the protection of ...

Park Event Permits

Any group meeting, rally, or similar gathering in a San Mateo County park needs a Parks and Recreation Department permit obtained at least ten days ahead under Section 3.68.140.

San Mateo County Park Gathering Permits

Some Restrictions

San Mateo County Ordinance Code § 3.68.140

It shall be unlawful for any person or group to conduct a group meeting, rally, or similar gathering in any County Park or Recreation area without first obtaining a permit from the Parks and Recreation Department for the use of the area or facility involved. The division shall grant such permit unless it finds that the time and/or place and/or size of the meeting, rally, or similar gathering ma...

Special Events & Permits by City in San Mateo County

1 cities in San Mateo County have their own special events & permits rules. Each link goes to that city's dedicated page with code citations.

All San Mateo County ordinances

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