Photo: BrendelSignature · CC BY-SA 3.0Living in Hollister, CA: what to set up and who to call
The City of Hollister water system reported one health-based violation to EPA in the last five years: disinfection byproducts (TTHM), beginning Jul 2022. Two school districts split the grades in Hollister: San Benito High School District and Hollister School District.
I’m new in town
What to set up in Hollister, 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 Hollister.
Power comes from PG&E
PG&E (Pacific Gas & Electric Co.), an investor-owned utility, serves all of Hollister. 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 Hollister water system
The City of Hollister water system supplies Hollister: about 63% of residents live in its service area. Sunnyslope County Water Dist serves another 34%. About 4% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It buys treated surface water (EPA lists Sunnyslope County Water Dist and San Benito County Water District as sellers) and serves 26,017 people in all.
1 health-based violation reported to EPA in the five years to October 2026: disinfection byproducts (TTHM), beginning Jul 2022. 83% of the 3,525 systems serving 10,001–50,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, was 1.4 ppb, below the 15 ppb action level that applied. The highest in five years was 2.3 ppb. That’s higher than 56% 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. CA3510001.
8 home internet providers serve Hollister
99% of 11,363 addresses can get 100/20 Mbps; 19% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 98% | 1,000/35 |
| AT&T | DSL, Fiber, Fixed wireless | 94% | 1,000/1,000 |
| Razzolink | Fixed wireless | 100% | 500/250 |
| Ridge Wireless | Fixed wireless | 75% | 100/60 |
| Etheric Networks | Fixed wireless | 75% | 300/100 |
| Hankins Information Technology | Fixed wireless | 53% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Hollister’s trash rules yet
Pickup rules, the dump and recycling in Hollister.
Where your child goes to school
Public school districts and the school path by grade.
Hollister is in two districts that split the grades: San Benito High School District and Hollister School District.
CSchool 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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Hollister is in ZIP code 95023
ZIP codes where Hollister residents live, with the share of the town in each.
| ZIP | Post office name | Share of Hollister | ZIP’s residents in Hollister |
|---|---|---|---|
| 95023 | Hollister, CA | 100% | 73% |
95024 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 Hollister
Who supplies Hollister’s drinking water, and has it had violations?
The City of Hollister water system (EPA ID CA3510001). It reported 1 health-based violation to EPA in the five years to October 2026: disinfection byproducts (TTHM). 83% of systems its size had none. Its latest lead 90th percentile was 1.4 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Hollister?
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 Hollister?
Spectrum, AT&T, Razzolink, Ridge Wireless, Etheric Networks, Hankins Information Technology (FCC, as of December 2025).
What ZIP codes are in Hollister?
95023. Census 2020 ZIP Code Tabulation Areas.
What school district is Hollister in?
San Benito High School District and Hollister School District. Parts of the city are in North County Joint Union Elementary School District and Aromas-San Juan Unified School District.
How do I register to vote in Hollister?
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 Benito County Elections Department. 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.