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SouthsanfranciscoPhoto: Coolcaesar at English Wikipedia · CC BY-SA 3.0
The South San Francisco handbook

Living in South San Francisco, CA: what to set up and who to call

Two school districts split the grades in South San Francisco: South San Francisco Unified School District and Jefferson Union High School District. The closest public drop-off to South San Francisco is San Francisco Dump, 4 miles out; the town decides whether residents may use it.

I’m new in town

What to set up in South San Francisco, and who provides it. Tap an answer for the details and where they come from.

Home services

Power, water and internet

Who to call to start service at a new address in South San Francisco.

Electricity

Power comes from PG&E

PG&E (Pacific Gas & Electric Co.), an investor-owned utility, serves all of South San Francisco. Its homes paid an average of 37.5¢ per kWh in 2025, about $174 a month (its average across California, for customers on its standard service). California lets you buy power from another supplier; 66% of PG&E’s home customers do, and PG&E still delivers it.

Start or move service: pgecorp.com

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Drinking water · reported to EPA

Water comes from California Water Service-S San Francisco

California Water Service-S San Francisco supplies South San Francisco: about 80% of residents live in its service area. Westborough Water District serves another 20%. It buys treated surface water (EPA lists San Francisco Regional Water System and City of Brisbane as sellers) and serves 64,146 people in all.

No health-based violations reported to EPA in the five years to October 2026, like 90% of the 597 systems serving 50,001–100,000 people.

Lead, 90th percentile4.1 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 4.1 ppb, below the 15 ppb action level that applied. That’s higher than 90% of similar systems’ latest results.

The system’s full record: EPA ECHO report

EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0. Violations are counted by the start of their compliance period. CA4110009.

Internet

8 home internet providers serve South San Francisco

100% of 15,980 addresses can get 100/20 Mbps; 74% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
XfinityCable, Fiber99%2,000/250
AT&TFiber, DSL, Fixed wireless94%5,000/5,000
Astound BroadbandCable, DSL, Fiber71%1,500/50
Sonic TelecomFiber30%1,000/1,000
Etheric NetworksFixed wireless88%250/100
T-MobileFixed wireless41%100/20

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

South San Francisco Scavenger Co., Inc. picks up trash in South San Francisco

Pickup days, the drop-off and recycling in South San Francisco, from the town’s own site.

Trash haulerSouth San Francisco Scavenger Co., Inc.Picks up trash in South San Franciscossfca.gov
The town’s recycling and trash guidesBattery Recycling (PDF) ssfscavenger.com →
Furniture, appliances and bulky itemsBulky item collection/on-call cleanup provided through SSF Scavenger; details on the city's resident resources page

We couldn’t find pickup days or drop-off hours. Check ssfca.gov →

From ssfca.gov, the town’s official site, checked Oct 23, 2026; pages dated © 2026. Rules change: the town’s page is the last word. .

Schools

Where your child goes to school

Public school districts and the school path by grade.

South San Francisco kids go to
K–55 elementary schoolsDepends on your address
6–83 middle schoolsDepends on your address
9–122 high schoolsDepends on your address

South San Francisco is in two districts that split the grades: South San Francisco Unified School District and Jefferson Union High School District.

B+School gradeSee Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

Town hall and registering to vote

Who to call, and how to register.

Election office: FVAP local election office directory, updated Oct 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.

ZIP codes & area codes

South San Francisco is in ZIP code 94080

ZIP codes where South San Francisco residents live, with the share of the town in each.

ZIPPost office nameShare of South San FranciscoZIP’s residents in South San Francisco
94080South San Francisco, CA100%99%

A few homes fall in 94128. 94083 is P.O. box or single-organization ZIP with no homes.

Area code650Wikidata

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

Getting around, the ER and the library

One line each; the subject pages have the rest.

Train: OpenStreetMap (© OpenStreetMap contributors). ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in South San Francisco

Who supplies South San Francisco’s drinking water, and has it had violations?

California Water Service-S San Francisco (EPA ID CA4110009). It reported no health-based violations to EPA in the five years to October 2026; 90% of systems its size had none. Its latest lead 90th percentile was 4.1 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.

Who provides electricity in South San Francisco?

PG&E (Pacific Gas & Electric Co.), an investor-owned utility. Its homes paid about 37.5¢ per kWh in 2025 (EIA).

What internet providers serve South San Francisco?

Xfinity, AT&T, Astound Broadband, Sonic Telecom, Etheric Networks, T-Mobile (FCC, as of December 2025).

What ZIP codes are in South San Francisco?

94080. Census 2020 ZIP Code Tabulation Areas.

What school district is South San Francisco in?

South San Francisco Unified School District and Jefferson Union High School District.

How do I register to vote in South San Francisco?

In California you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before). Elections here are run by the San Mateo County Clerk - Elections. Check your registration at voterstatus.sos.ca.gov.

Sources & dates

Every answer above names its source. Here they are with their dates.

  • Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
  • Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
  • Trash: South San Francisco’s own website (ssfca.gov), read Oct 23, 2026, pickup and drop-off facts extracted and checked against the page they came from.
  • ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
  • Schools: NCES Common Core of Data, 2024–25.
  • Registration: vote.gov, updated Nov 18, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
  • Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
  • Internet: FCC National Broadband Map, as of December 2025.