Photo: Sanfranman59 · CC BY-SA 3.0Living in Eldridge, CA: what to set up and who to call
Eldridge has no town government of its own, so Sonoma County runs its elections and most services, and its children attend Sonoma Valley Unified School District. For home internet, most of Eldridge can choose between Xfinity and AT&T.
I’m new in town
What to set up in Eldridge, 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 Eldridge.
Power comes from PG&E
PG&E (Pacific Gas & Electric Co.), an investor-owned utility, serves all of Eldridge. 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 Valley of the Moon Water District
Valley of the Moon Water District supplies almost all of Eldridge. It draws ground water (EPA lists City of Sonoma and Sonoma County Water Agency as sellers) and serves 23,107 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, was 0.0 ppb, below the 15 ppb action level that applied. 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. CA4910013.
4 home internet providers serve Eldridge
99% of 424 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 98% | 2,000/250 |
| AT&T | DSL, Fixed wireless | 80% | 100/20 |
| Verizon | Fixed wireless | 48% | 25/6 |
| T-Mobile | Fixed wireless | 5% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Eldridge’s trash rules yet
Pickup rules, the dump and recycling in Eldridge.
Where your child goes to school
Public school districts and the school path by grade.
Eldridge is in Sonoma Valley 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.
No town hall: the county runs things
Eldridge is unincorporated, so Sonoma County is the local government.
Election office: FVAP local election office directory, updated Jun 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Eldridge spans 2 ZIP codes
ZIP codes where Eldridge residents live, with the share of the town in each.
| ZIP | Post office name | Share of Eldridge | ZIP’s residents in Eldridge |
|---|---|---|---|
| 95442 | Glen Ellen, CA | 76% | 34% |
| 95476 | Sonoma, CA | 24% | 1% |
95431 is P.O. box or single-organization ZIP 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.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Eldridge
Who supplies Eldridge’s drinking water, and has it had violations?
Valley of the Moon Water District (EPA ID CA4910013). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Eldridge?
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 Eldridge?
Xfinity, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Eldridge?
95442 (76%), 95476 (24%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Eldridge in?
Sonoma Valley Unified School District.
How do I register to vote in Eldridge?
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: 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.