Photo: Wulfnoth of English Wikipedia · CC BY 3.0Living in Santa Rosa, CA: what to set up and who to call
Most mail in Santa Rosa goes to 95403 (19% of residents), one of 6 ZIP codes in town. Trains stop in Santa Rosa, at Santa Rosa Downtown.
I’m new in town
What to set up in Santa Rosa, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Santa Rosa.
Power comes from PG&E
PG&E (Pacific Gas & Electric Co.), an investor-owned utility, serves all of Santa Rosa. 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.
Water comes from City of Santa Rosa water system
The City of Santa Rosa water system supplies almost all of Santa Rosa. It draws ground water (EPA lists Sonoma County Water Agency as seller) and serves 175,396 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 86% of the 332 systems serving 100,001–250,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 1.3 ppb, below the 15 ppb action level that applied. That’s higher than 54% 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. CA4910009.
5 home internet providers serve Santa Rosa
100% of 53,170 addresses can get 100/20 Mbps; 33% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 99% | 2,000/250 |
| AT&T | DSL, Fiber, Fixed wireless | 86% | 5,000/5,000 |
| Sonic Telecom | Fiber | 23% | 10,000/10,000 |
| Verizon | Fixed wireless | 51% | 300/20 |
| T-Mobile | Fixed wireless | 33% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Santa Rosa depends on your street
Pickup days, the drop-off and recycling in Santa Rosa, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s dayLook up your day on srcity.org
- Bulky itemsCall to book
Accepted at the curb
- Corrugated Cardboard and Kraft
- Newspaper
- Other Recyclable Paper
- #1 & #2 Plastic Containers
- Glass Containers
- Tin/Steel Cans
- Aluminum Cans & Foil
From srcity.org, the town’s official site, checked Oct 21, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Most of Santa Rosa (47%) is in Santa Rosa High School District; parts are in Santa Rosa Elementary School District (16%) and Rincon Valley Union Elementary School District (12%) and Wright Elementary School District (4%) and West Sonoma County Union High School District (3%) and Bellevue Union School District (3%) and Piner-Olivet Union Elementary School District (3%) and Sebastopol Union Elementary School District (3%) and Bennett Valley Union Elementary School District (2%).
B−School gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jun 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Santa Rosa spans 6 ZIP codes
ZIP codes where Santa Rosa residents live, with the share of the town in each.
| ZIP | Post office name | Share of Santa Rosa | ZIP’s residents in Santa Rosa |
|---|---|---|---|
| 95403 | Santa Rosa, CA | 19% | 76% |
| 95401 | Santa Rosa, CA | 18% | 88% |
| 95404 | Santa Rosa, CA | 18% | 84% |
| 95407 | Santa Rosa, CA | 18% | 74% |
| 95409 | Santa Rosa, CA | 15% | 94% |
| 95405 | Santa Rosa, CA | 12% | 100% |
95402, 95406 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.
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 Santa Rosa
Who supplies Santa Rosa’s drinking water, and has it had violations?
The City of Santa Rosa water system (EPA ID CA4910009). It reported no health-based violations to EPA in the five years to October 2026; 86% of systems its size had none. Its latest lead 90th percentile was 1.3 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Santa Rosa?
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 Santa Rosa?
Xfinity, AT&T, Sonic Telecom, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Santa Rosa?
95403 (19%), 95401 (18%), 95404 (18%), 95407 (18%), 95409 (15%), 95405 (12%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Santa Rosa in?
Santa Rosa High School District. Parts of the city are in Santa Rosa Elementary School District and Rincon Valley Union Elementary School District and Wright Elementary School District and West Sonoma County Union High School District and Bellevue Union School District and Piner-Olivet Union Elementary School District and Sebastopol Union Elementary School District and Bennett Valley Union Elementary School District.
How do I register to vote in Santa Rosa?
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 Sonoma County Registrar of Voters. 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: Santa Rosa’s own website (srcity.org), read Oct 21, 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.