Condominium 1 · Photo: Sanfranman59 · CC BY-SA 3.0Living in Sea Ranch, CA: what to set up and who to call
An EPA health-based violation from 2024 is still open for Sea Ranch Water Company,the (Puc). Sea Ranch has no town government of its own, so Sonoma County runs its elections and most services, and its children attend Horicon Elementary School District.
I’m new in town
What to set up in Sea Ranch, 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 Sea Ranch.
Power comes from PG&E
PG&E (Pacific Gas & Electric Co.), an investor-owned utility, serves all of Sea Ranch. 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 Sea Ranch Water Company,the (Puc)
Sea Ranch Water Company,the (Puc) supplies almost all of Sea Ranch. It draws surface water and serves 1,160 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. 78% of the 7,966 systems serving 1,001–3,300 people had none. 1 older violation is still open, since 2024: a lead and copper treatment requirement (Lead and Copper Rule Revisions), per EPA’s records.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2025–Dec 2027, 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. CA4910007.
4 home internet providers serve Sea Ranch
98% of 1,783 addresses can get 100/20 Mbps; 97% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Sea Ranch Connect | Fiber | 98% | 1,000/1,000 |
| Further Reach | Fixed wireless, DSL | 29% | 200/200 |
| Frontier | DSL | 22% | 45/3 |
| AT&T | Fixed wireless | 4% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Sea Ranch’s trash rules yet
Pickup rules, the dump and recycling in Sea Ranch.
Where your child goes to school
Public school districts and the school path by grade.
Sea Ranch is in two districts that split the grades: Horicon Elementary School District and Point Arena Joint Union High School District.
BSchool 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
Sea Ranch 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.
Sea Ranch is in ZIP code 95497
ZIP codes where Sea Ranch residents live, with the share of the town in each.
| ZIP | Post office name | Share of Sea Ranch | ZIP’s residents in Sea Ranch |
|---|---|---|---|
| 95497 | The Sea Ranch, CA | 99% | 100% |
A few homes fall in 95450.
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 Sea Ranch
Who supplies Sea Ranch’s drinking water, and has it had violations?
Sea Ranch Water Company,the (Puc) (EPA ID CA4910007). It reported 1 health-based violation to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions). 78% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2025–Dec 2027), against a 15 ppb action level.
Who provides electricity in Sea Ranch?
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 Sea Ranch?
Sea Ranch Connect, Further Reach, Frontier, AT&T (FCC, as of December 2025).
What ZIP codes are in Sea Ranch?
95497. Census 2020 ZIP Code Tabulation Areas.
What school district is Sea Ranch in?
Horicon Elementary School District and Point Arena Joint Union High School District.
How do I register to vote in Sea Ranch?
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.