Living in Elmsford, NY: what to set up and who to call
The closest public drop-off to Elmsford is Gedney Recycling Yard, 4 miles out; the town decides whether residents may use it. Almost every address in Elmsford can get fiber (97%, by the FCC’s map).
I’m new in town
What to set up in Elmsford, 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 Elmsford.
Power comes from Con Edison
Con Edison (Consolidated Edison Co. of New York), an investor-owned utility, serves all of Elmsford. 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 Elmsford Village water system
The Elmsford Village water system supplies almost all of Elmsford. It buys treated surface water (EPA lists Greenburgh Consolidated WD #1 and the New York City water system as sellers) and serves 5,293 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2025–Dec 2027, was 3.4 ppb, below the 15 ppb action level that applied. The highest in five years was 4.5 ppb. That’s higher than 85% 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. NY5903427.
3 home internet providers serve Elmsford
99% of 1,168 addresses can get 100/20 Mbps; 97% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Verizon | Fiber, Fixed wireless | 97% | 980/880 |
| Optimum | Cable, Fiber | 89% | 8,000/8,000 |
| T-Mobile | Fixed wireless | 40% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Elmsford depends on your street
Pickup days, the drop-off and recycling in Elmsford, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s dayLook up your day on elmsford.gov
Accepted at the curb
- Plastic containers coded # 1 thru # 7
- Food and beverage containers
- Detergent, shampoo and medicine containers
- Yogurt, milk and water containers
- Take out containers
- Plastic tops for the containers
From elmsford.gov, the town’s official site, checked Oct 21, 2026; pages dated 2020. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Most of Elmsford (76%) is in Elmsford Union Free School District; parts are in Greenburgh Central School District (24%).
B−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.
Elmsford is in ZIP code 10523
ZIP codes where Elmsford residents live, with the share of the town in each.
| ZIP | Post office name | Share of Elmsford | ZIP’s residents in Elmsford |
|---|---|---|---|
| 10523 | Elmsford, NY | 100% | 55% |
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 Elmsford
Who supplies Elmsford’s drinking water, and has it had violations?
The Elmsford Village water system (EPA ID NY5903427). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 3.4 ppb (Jan 2025–Dec 2027), against a 15 ppb action level.
Who provides electricity in Elmsford?
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 Elmsford?
Verizon, Optimum, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Elmsford?
10523. Census 2020 ZIP Code Tabulation Areas.
What school district is Elmsford in?
Elmsford Union Free School District. Parts of the city are in Greenburgh Central School District.
How do I register to vote in Elmsford?
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: Elmsford’s own website (elmsford.gov), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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.