Living in Jefferson Valley-Yorktown, NY: what to set up and who to call
Jefferson Valley-Yorktown has no town government of its own, so Westchester County runs its elections and most services, and its children attend Lakeland Central School District. The closest public drop-off to Jefferson Valley-Yorktown is Yorktown Recycling Center, 2 miles out; the town decides whether residents may use it.
I’m new in town
What to set up in Jefferson Valley-Yorktown, 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 Jefferson Valley-Yorktown.
Power comes from Con Edison
Con Edison (Consolidated Edison Co. of New York), an investor-owned utility, serves all of Jefferson Valley-Yorktown. 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 Yorktown Consold. Water Dist.#1
Yorktown Consold. Water Dist.#1 supplies almost all of Jefferson Valley-Yorktown. It buys treated surface water (EPA lists Westchester County WD #2 and Northern Westchester Joint Water Works as sellers) and serves 36,000 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 Jan 2023–Dec 2025, was 1.2 ppb, below the 15 ppb action level that applied. That’s higher than 51% 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. NY5903469.
3 home internet providers serve Jefferson Valley-Yorktown
99% of 4,236 addresses can get 100/20 Mbps; 91% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Optimum | Cable, Fiber | 99% | 8,000/8,000 |
| Verizon | Fiber, Fixed wireless | 98% | 980/880 |
| T-Mobile | Fixed wireless | 44% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 2 miles away
Pickup rules, the dump and recycling in Jefferson Valley-Yorktown.
Yorktown Recycling Center
5 Captain Kenneth Sgroi Plaza, Yorktown Heights, NY, 10598
This isn’t Jefferson Valley-Yorktown’s own facility. Whether Jefferson Valley-Yorktown residents may use it is the town’s rule: check the town’s office.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Most of Jefferson Valley-Yorktown (59%) is in Lakeland Central School District; parts are in Yorktown Central School District (41%).
Test scores and every school: see 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
Jefferson Valley-Yorktown is unincorporated, so Westchester County is the local government.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Jefferson Valley-Yorktown spans 2 ZIP codes
ZIP codes where Jefferson Valley-Yorktown residents live, with the share of the town in each.
| ZIP | Post office name | Share of Jefferson Valley-Yorktown | ZIP’s residents in Jefferson Valley-Yorktown |
|---|---|---|---|
| 10598 | Yorktown Heights, NY | 96% | 48% |
| 10535 | Jefferson Valley, NY | 4% | 100% |
A few homes fall in 10588.
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 Jefferson Valley-Yorktown
Who supplies Jefferson Valley-Yorktown’s drinking water, and has it had violations?
Yorktown Consold. Water Dist.#1 (EPA ID NY5903469). 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 1.2 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Jefferson Valley-Yorktown?
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 Jefferson Valley-Yorktown?
Optimum, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Jefferson Valley-Yorktown?
10598 (96%), 10535 (4%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Jefferson Valley-Yorktown in?
Lakeland Central School District. Parts of the city are in Yorktown Central School District.
How do I register to vote in Jefferson Valley-Yorktown?
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.