Photo: Daniel Case · CC BY-SA 3.0Living in Ossining, NY: what to set up and who to call
Most mail in Ossining goes to 10562 (98% of residents), one of 2 ZIP codes in town. Trains stop in Ossining.
I’m new in town
What to set up in Ossining, 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 Ossining.
Power comes from Con Edison
Con Edison (Consolidated Edison Co. of New York), an investor-owned utility, serves all of Ossining. Its homes paid an average of 36.7¢ per kWh in 2025, about $137 a month (its average across New York, for customers on its standard service). New York lets you buy power from another supplier; 10% of Con Edison’s home customers do, and Con Edison still delivers it.
Start or move service: coned.com · (800) 752-6633
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Ossining Water Department
Ossining Water Department supplies almost all of Ossining. It draws surface water (EPA lists New Castle/Stanwood W.d. and New York City - Croton System as sellers) and serves 30,000 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 Jul–Dec 2025, was 3.0 ppb, below the 15 ppb action level that applied. The highest in five years was 8.0 ppb. That’s higher than 79% 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. NY5903451.
3 home internet providers serve Ossining
98% of 4,327 addresses can get 100/20 Mbps; 96% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Optimum | Cable, Fiber | 96% | 8,000/8,000 |
| Verizon | Fiber, Fixed wireless | 95% | 2,300/2,300 |
| T-Mobile | Fixed wireless | 45% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Ossining’s trash rules yet
Pickup rules, the dump and recycling in Ossining.
Where your child goes to school
Public school districts and the school path by grade.
Ossining is in Ossining Union Free School District.
C−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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Ossining spans 2 ZIP codes
ZIP codes where Ossining residents live, with the share of the town in each.
| ZIP | Post office name | Share of Ossining | ZIP’s residents in Ossining |
|---|---|---|---|
| 10562 | Ossining, NY | 98% | 79% |
| 10510 | Briarcliff Manor, NY | 2% | 4% |
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 Ossining
Who supplies Ossining’s drinking water, and has it had violations?
Ossining Water Department (EPA ID NY5903451). 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 3.0 ppb (Jul–Dec 2025), against a 15 ppb action level.
Who provides electricity in Ossining?
Con Edison (Consolidated Edison Co. of New York), an investor-owned utility. Its homes paid about 36.7¢ per kWh in 2025 (EIA).
What internet providers serve Ossining?
Optimum, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Ossining?
10562 (98%), 10510 (2%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Ossining in?
Ossining Union Free School District.
How do I register to vote in Ossining?
In New York you can register online until 10 days before Election Day, in person until 10 days before Election Day, or by mail (postmarked 15 days before and received 10 days before). Elections here are run by the Westchester County Board of Elections. Check your registration at voterlookup.elections.ny.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 Aug 3, 2026 (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.