Guest, Sign inJoin

Post to San Francisco

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
U.S. Post Office and CourthouseU.S. Post Office and Courthouse · Photo: James Knox Taylor · Public domain
The San Francisco handbook

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

San Francisco runs its own electric utility, City & County of San Francisco; its homes paid 27.1¢ per kWh in 2025. San Francisco has its own drop-off, Smart Demolition & Excavation Recycling Center, on 231 Loomis Street.

I’m new in town

What to set up in 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 San Francisco.

Electricity

Power comes from City & County of San Francisco

City & County of San Francisco (City & County of San Francisco - (CA)), a municipal utility, serves all of San Francisco. Its homes paid an average of 27.1¢ per kWh in 2025, about $295 a month (its average across California).

Start or move service: sfwater.org

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 Sfpuc City Distribution Division water system

The Sfpuc City Distribution Division water system supplies almost all of San Francisco. It buys treated surface water (EPA lists San Francisco Regional Water System as seller) and serves 848,019 people in all.

No health-based violations reported to EPA in the five years to October 2026, like 93% of the 42 systems serving 500,001–1,000,000 people.

Lead, 90th percentile0.0 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 7.6 ppb. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.

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. CA3810011.

Internet

9 home internet providers serve San Francisco

100% of 145,152 addresses can get 100/20 Mbps; 49% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
XfinityCable, Fiber99%2,000/250
AT&TDSL, Fiber, Fixed wireless86%5,000/5,000
Etheric NetworksFixed wireless, Fiber70%250/100
Sonic TelecomFiber49%10,000/10,000
Astound BroadbandCable, Fiber, DSL26%1,500/50
UnwiredFixed wireless87%300/25

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

Trash & recycling

San Francisco has its own drop-off: Smart Demolition & Excavation Recycling Center

Where to take trash and recycling in San Francisco, and where the rules are.

Drop-off · run by not listed

Smart Demolition & Excavation Recycling Center

231 Loomis Street, San Francisco, 94124

Before you go, check the rules with the town.

OpenStreetMap, as of Oct 9, 2026 (last edited Apr 2017). © OpenStreetMap contributors.

Schools

Where your child goes to school

Public school districts and the school path by grade.

San Francisco kids go to
K–576 elementary schoolsDepends on your address
6–821 middle schoolsDepends on your address
9–1210 high schoolsDepends on your address

San Francisco is in San Francisco Unified 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 Feb 2020; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.

ZIP codes & area codes

San Francisco spans 23 ZIP codes

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

ZIPPost office nameShare of San FranciscoZIP’s residents in San Francisco
94112San Francisco, CA9%100%
94110San Francisco, CA8%100%
94109San Francisco, CA7%100%
94122San Francisco, CA7%100%
94116San Francisco, CA5%100%
94121San Francisco, CA5%100%
94118San Francisco, CA5%100%
94134San Francisco, CA5%100%
94124San Francisco, CA5%100%
94102San Francisco, CA5%100%
94117San Francisco, CA4%100%
94103San Francisco, CA4%100%
94115San Francisco, CA4%100%
94107San Francisco, CA4%100%
94114San Francisco, CA4%100%
94131San Francisco, CA3%100%
94132San Francisco, CA3%100%
94133San Francisco, CA3%100%
94123San Francisco, CA3%100%
94127San Francisco, CA2%100%
94105San Francisco, CA2%100%
94108San Francisco, CA2%100%
94158San Francisco, CA1%100%

A few homes fall in 94111, 94129, 94130, 94104, 94188. 94119, 94120, 94125, 94126, 94137, 94139, 94140, 94141, 94142, 94143, 94144, 94145, 94146, 94147, 94151, 94159, 94160, 94161, 94163, 94164, 94172, 94177 are P.O. box or single-organization ZIPs with no homes.

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 San Francisco

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

The Sfpuc City Distribution Division water system (EPA ID CA3810011). It reported no health-based violations to EPA in the five years to October 2026; 93% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.

Who provides electricity in San Francisco?

City & County of San Francisco (City & County of San Francisco - (CA)), a municipal utility. Its homes paid about 27.1¢ per kWh in 2025 (EIA).

What internet providers serve San Francisco?

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

What ZIP codes are in San Francisco?

94112 (9%), 94110 (8%), 94109 (7%), 94122 (7%), 94116 (5%), 94121 (5%), 94118 (5%), 94134 (5%), 94124 (5%), 94102 (5%), 94117 (4%), 94103 (4%), 94115 (4%), 94107 (4%), 94114 (4%), 94131 (3%), 94132 (3%), 94133 (3%), 94123 (3%), 94127 (2%), 94105 (2%), 94108 (2%), 94158 (1%), by share of residents. Census 2020 ZIP Code Tabulation Areas.

What school district is San Francisco in?

San Francisco Unified School District.

How do I register to vote in 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 Francisco Elections, City Hall. 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: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
  • 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.