Local Wiki
San Mateo County
Official County Record
Official source, last checked Sep 16, 2026- Board of Supervisors meets
- Tuesdays at 9:00 AM, biweekly.
- Meeting location
- 500 County Center, Chambers, 1st Floor, Redwood City, CA 94063.
- Chief Elections Officer & Assessor-County Clerk-Recorder
- Mark Church · Registration-Elections Division, 40 Tower Road, San Mateo, CA 94402 · (650) 312-5222 (FAX (650) 312-5348) · registrar@smcacre.gov
- Agendas posted at
- https://sanmateocounty.legistar.com/Calendar.aspx
- County Executive Officer
- Mike Callagy · County Executive Officer · 500 County Center, 5th Floor, Redwood City, CA 94063 · 650-363-4123
Other Local Government Here
Local government is layered — cities, counties, school districts, and special districts are separate, overlapping governments. Most residents are covered by several at once, and more may exist here than are listed below.
Other Known Local Governments Here
These local governments — special-purpose districts, and smaller incorporated cities and towns — are known to exist in this area, but haven’t been individually researched yet, so there’s no meeting info or contacts on file. Listed here as a starting point if you want to look into one yourself; where we could confirm an official website, the name links there. More may exist here than are listed.
Cities (6)
- Belmont (official website, opens in a new tab)
- Brisbane (official website, opens in a new tab)
- East Palo Alto
- Half Moon Bay (official website, opens in a new tab)
- Millbrae (official website, opens in a new tab)
- San Carlos (official website, opens in a new tab)
Source: U.S. Census Bureau Population Estimates Program, 2024 · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
Towns (5)
- Atherton (official website, opens in a new tab)
- Colma (official website, opens in a new tab)
- Hillsborough (official website, opens in a new tab)
- Portola Valley (official website, opens in a new tab)
- Woodside (official website, opens in a new tab)
Source: U.S. Census Bureau Population Estimates Program, 2024 · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
School districts (24)
- Bayshore Elementary
- Belmont-Redwood Shores Elementary
- Brisbane Elementary
- Burlingame Elementary
- Cabrillo Unified
- Hillsborough City Elementary
- Jefferson Elementary
- Jefferson Union High
- La Honda-Pescadero Unified
- Las Lomitas Elementary
- Menlo Park City Elementary
- Millbrae Elementary
- Pacifica
- Portola Valley Elementary
- Ravenswood City Elementary
- Redwood City Elementary
- San Bruno Park Elementary
- San Carlos Elementary
- San Mateo County Office of Education
- San Mateo Union High
- San Mateo-Foster City
- Sequoia Union High
- South San Francisco Unified
- Woodside Elementary
Source: NCES Common Core of Data (via Urban Institute), 2022 directory — regular school districts only
Special districts · Commercial Activities (1)
- San Mateo County Telecommunications Authority
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)
Special districts · Education (1)
- San Mateo County School Insurance Group
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)
Special districts · Electric Power (1)
- Peninsula Clean Energy Authority
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)
Special districts · Fire Protection (6)
- Central County Fire Department
- Coastside Fire Protection District (official website, opens in a new tab)
- Colma Fire Protection District
- Menlo Park Fire Protection District
- San Mateo Consolidated Fire Department (official website, opens in a new tab)
- Woodside Fire Pro District
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
Special districts · Health (4)
- Peninsula Healthcare District (official website, opens in a new tab)
- San Mateo County Mosquito Abatement District
- San Mateo County Pre-Hosp Emerg Med Svcs Grp
- Sequoia Healthcare District
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
Special districts · Highways (1)
- San Mateo County Express Lanes Joint Powers Authority
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)
Special districts · Housing & Community Development (2)
- San Mateo County Housing Authority
- South San Francisco City Housing Authority
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)
Special districts · Library (3)
- Pacific Library Partnership (official website, opens in a new tab)
- Peninsula Library System District (official website, opens in a new tab)
- San Mateo County Library (official website, opens in a new tab)
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
Special districts · Mortgage Credit (1)
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
Special districts · Multi-Purpose (4)
- City/County Assoc of Govts of San Mateo County
- Montara Sanitary District (official website, opens in a new tab)
- Peninsula Traffic Congestion Relief Alliance
- San Mateo County Transportation Authority (official website, opens in a new tab)
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
Special districts · Natural Resources (2)
- San Francisquito Creek Joint Powers Authority (official website, opens in a new tab)
- San Mateo County Flood & Sea Level Rise Resiliency District (official website, opens in a new tab)
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
Special districts · Other Single Purpose (3)
- Net Six Joint Powers Authority
- San Mateo County Operational Area Emergency Svcs Org Authority
- The Cities Group
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)
Special districts · Parks & Recreation (2)
- Highlands Recreation Community Services District (official website, opens in a new tab)
- Ladera Recreation and Park District
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
Special districts · Police Protection (2)
- Broadmoor Police Protection District
- San Mateo County Narcotics Task Force
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)
Special districts · Ports (1)
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
Special districts · Public Transit (1)
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
Special districts · Sewer (6)
- Bayshore Sanitary District (official website, opens in a new tab)
- East Palo Alto Sanitary District
- Granada Community Services District (official website, opens in a new tab)
- Mid-Coastside Sewer Authority (official website, opens in a new tab)
- Silicon Valley Clean Water (official website, opens in a new tab)
- West Bay Sanitary District
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
Special districts · Soil & Water Conservation (1)
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026
Special districts · Solid Waste (1)
- South Bayside Waste Management Authority
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)
Special districts · Water & Sewer (1)
- Westborough County Water District
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)
Special districts · Water Supply (5)
- Bay Area Water Supply and Conservation Agency (official website, opens in a new tab)
- Coastside County Water District (official website, opens in a new tab)
- Mid-Peninsula Water District (official website, opens in a new tab)
- North Coast County Water District
- San Francisco Bay Area Regional Water System Financing Authority
Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026