City
South San Francisco
South San Francisco is an incorporated city in San Mateo County with an estimated 2025 population of 64,941. It handles many rules and services inside its limits. The county still handles property records, taxes, elections, public health, and many household programs.
Starting point
Confirm the address is inside local limits first.
If the address is inside South San Francisco, city offices may handle local permits, code, and services. If it is outside local limits, county planning or building may handle the work instead.
What changes the answer: A mailing city is not always the same as city government jurisdiction.
Place answer
Free South City Shuttle links the hill, downtown, and transit
South San Francisco's free shuttle runs on weekdays and links local stops with SamTrans, BART, Caltrain, downtown, parks, stores, and civic destinations.
Read the local noteCity offices
Start with the task in front of you.
South San Francisco is incorporated. Start with the city for work inside its limits, while San Mateo County still handles property records, taxes, courts, elections, many benefits, and county alerts. San Mateo County handles local public health.
- Property Open the property-tax guide
Assessed value, exemptions, tax bills, and appeals
San Mateo County assessor handles value and exemptions. The clerk of the board handles a formal value appeal. The tax collector handles the bill, payment, and penalties.
- Records Open the records guide
Deeds, birth and death records, marriage records, and name changes
San Mateo County recorder is the usual office for deeds and many public records. Vital-record access depends on the record and year. A legal name change or divorce decree can involve Superior Court.
- Property work Open official city planning
Building permits, ADUs, zoning, code, water, and septic
Start with the city planning or building office for an address inside South San Francisco. Start with the county for an address outside local limits.
Browse planning and building offices - Housing Open rent and housing help
Rent rules, repairs, notices, and eviction papers
Start with a local rent, housing, or code office if one serves the address. Court papers go to the Superior Court self-help path, and the deadline on the papers keeps running.
- Household help Open the benefits guide
CalFresh, Medi-Cal, CalWORKs, General Assistance, and IHSS
San Mateo County social-services agency is the main local office. Coverage, food, cash aid, and in-home support remain separate programs with separate notices.
- Public health Open health and benefits help
Vaccines, disease reporting, health records, and local health programs
San Mateo County public health is the local health jurisdiction. Health coverage and benefits still use separate programs and offices.
- Business Open official business licensing
Business setup, seller's permits, local licenses, and regulated work
State filings and tax accounts do not replace South San Francisco zoning, licensing, building, fire, or health approvals for the address.
Browse business licensing offices - Neighborhood services Open local-office help
Potholes, streetlights, graffiti, trash, and service requests
For a city-maintained street or service inside South San Francisco, start with the local request system. County roads, Caltrans routes, utilities, private property, and separate service providers use different reporting systems.
- School and care Open the school and care guide
School enrollment, student records, and child-care checks
The school district handles assignment and records. County offices can help with some family services, while the state licenses child-care facilities.
- Parking Open parking help
Residential, guest, overnight, and local parking permits
A local parking permit is separate from a citation, moving ticket, and toll notice. Match the permit to the address, vehicle, district, or parking facility.
- Tickets Open ticket help
Traffic court, parking citations, and toll notices
San Mateo County Superior Court handles traffic court matters. A city or issuing agency handles parking. The toll operator handles toll notices.
- Safety Open emergency checks
Emergency alerts, evacuations, smoke, roads, and power
Use the county or city alert system for local warnings. Follow the local emergency office for evacuation wording, then check the matching state fire, smoke, road, or utility update.
Official city links
Start local when the address is inside South San Francisco.
The official website is always listed. A direct service link appears only after an official public page has been checked; an unlisted service has not been guessed.
County offices
County offices still handle countywide work.
South San Francisco does not replace the county for records, property taxes, courts, elections, benefits, public health, or county alerts. The official links stay together below.
San Mateo County
City, county, and district responsibilities
The city line changes some rules, but not every public office.
The mailing address can say South San Francisco even when the property sits outside local limits. Check the city line before relying on a local rule or permit page.
City limits choose the local permit office
Inside South San Francisco, the city usually handles permits, zoning, parking, business licenses, and local code. Outside the city line, start with county planning or building.
The county still handles county work
San Mateo County handles property value and tax bills. It also handles deeds, elections, health, and many aid programs. Living inside South San Francisco does not move those jobs to the city.
A provider can have its own boundary
Water, sewer, fire, schools, transit, trash, and power may belong to a special district or other provider. Use the address, parcel, or service bill to find the right agency.
Practical notes
Office, map, permit, and paperwork notes for South San Francisco
Place answer · Home and property · Reviewed July 4, 2026
South San Francisco permit work starts at the Permit Center
South San Francisco routes building permits, plan submittals, inspections, business licenses, and many over-the-counter permit types through its Permit Center and online portal.
Place answer · Cars and driving · Reviewed June 30, 2026
Oyster Point makes South San Francisco a ferry-and-rail commute stop
South San Francisco has an Oyster Point ferry terminal and a Caltrain station, which shape the city's job-center commute geography.
Countywide answer · Home and property · Reviewed July 14, 2026
San Mateo County smoke can arrive from far away
San Mateo County directs residents to the Bay Area AQI map for current air conditions and SMC Alert for county emergency messages on poor-air days.
Countywide answer · Rules and licenses · Reviewed July 22, 2026
San Mateo County planning starts with unincorporated areas
San Mateo County's Current Planning Section handles land-use planning for unincorporated areas.
County practical note · Rules and licenses · Reviewed September 15, 2026
My San Mateo keeps city service requests in one place
San Mateo residents can use My San Mateo to submit and track non-emergency city service requests, including streetlight outages, weeds, graffiti, and other local concerns.
County practical note · Cars and driving · Reviewed July 7, 2026
Bay Area bridge tolls use FasTrak, plates, or invoices
Bay Area toll bridges use automatic toll collection, with FasTrak, License Plate Account, One-Time Payment, and invoice options depending on how the vehicle is set up.
Stories & Notes
Stories and local context in San Mateo County
Place story · History and culture
Sign Hill turns South San Francisco's old slogan into a walk
South San Francisco's Sign Hill carries the famous 'The Industrial City' sign, but the hillside is also a 65-acre open space with rare plants and habitat.
Place story · History and culture
South San Francisco's biotech story grew from an industrial city
South San Francisco is known as the birthplace of biotechnology, with Genentech's 1976 start helping shift an older industrial city into a major life-science center.
County place story · History and culture
Redwood City keeps old civic buildings in daily downtown life
Redwood City's historic downtown includes the Historic San Mateo County Courthouse, Fox Theatre, Lathrop House, and Courthouse Square, where the old center still works as a public gathering place.
County place story · Outdoors
Coyote Point shows San Mateo's busy Bay edge
Coyote Point Recreation Area brings together Bay views, a marina, marsh habitat, a beach promenade, windsurfing, playgrounds, CuriOdyssey, picnic areas, and SFO planes overhead.
County place story · History and culture
The Cow Palace gives Daly City a big Bay Area memory
The Cow Palace in Daly City began in 1941 and still carries a mix of rodeo, concert, sports, convention, and community history near the San Francisco line.
County place story · History and culture
Atherton began as Fair Oaks, a quiet rail stop for estate country
Atherton's story starts with Fair Oaks, the San Francisco-to-San Jose rail line, large country estates, and Holbrook-Palmer Park's surviving estate buildings.
County place story · History and culture
Bay Meadows still explains a big piece of San Mateo
The former Bay Meadows racetrack site shows why part of San Mateo now mixes housing, offices, shops, parks, and Caltrain access in one busy rail-side area.
County place story · History and culture
Half Moon Bay turns pumpkin season into a Main Street event
Half Moon Bay's pumpkin festival, weigh-off, farm fields, and coastal Main Street make the town's fall identity easy to see.
- 2025 population
- 64,941
- Land area
- 9.204 sq mi
- Water area
- 20.97 sq mi