Photo: Joe Mabel · CC BY-SA 3.0Living in Hempstead, NY: what to set up and who to call
Liberty Utilities New York - Lynbrook reported 5 health-based violations to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule) ×5. 86% of systems its size reported none. Power in Hempstead comes from PSEG Long Island, a state utility rather than a private company.
I’m new in town
What to set up in Hempstead, 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 Hempstead.
Power comes from PSEG Long Island
PSEG Long Island (Long Island Power Authority), a state utility, serves all of Hempstead. Its homes paid an average of 26.2¢ per kWh in 2025, about $195 a month (its average across New York, for customers on its standard service). New York lets you buy power from another supplier; 0% of PSEG Long Island’s home customers do, and PSEG Long Island still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Liberty Utilities New York - Lynbrook
Liberty Utilities New York - Lynbrook supplies Hempstead: about 31% of residents live in its service area. Town of Hempstead Water Department serves another 16%. Liberty Utilities New York - Merrick serves another 15%. Wa of Western Nassau serves another 11%. Hempstead (V) serves another 7%. Freeport (V) serves another 6%. It draws ground water and serves 220,000 people in all.
5 health-based violations reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule) ×5, the latest beginning Jul 2025. 86% of the 332 systems serving 100,001–250,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2026, was 5.0 ppb, below the 15 ppb action level that applied. The highest in five years was 7.0 ppb. That’s higher than 91% 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. NY2902835.
3 home internet providers serve Hempstead
99% of 211,977 addresses can get 100/20 Mbps; 99% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Verizon | Fiber, Fixed wireless | 99% | 2,300/2,300 |
| Optimum | Cable, Fiber | 97% | 8,000/8,000 |
| T-Mobile | Fixed wireless | 70% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash and recycling in Hempstead
Pickup days, the drop-off and recycling in Hempstead, from the town’s own site.
Accepted at the curb
- Aluminum, steel and tin cans
- Glass bottles and jars
- Newspapers, magazines, copy paper, color inserts
We couldn’t find pickup days or drop-off hours. Check hempsteadny.gov →
From hempsteadny.gov, the town’s official site, checked Oct 21, 2026; pages dated 2026-09-27. 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 Hempstead (48%) is in Bellmore-Merrick Central High School District; parts are in Sewanhaka Central High School District (31%) and Valley Stream Central High School District (22%) and Oceanside Union Free School District (8%) and Lawrence Union Free School District (7%) and East Meadow Union Free School District (7%) and Uniondale Union Free School District (6%) and Freeport Union Free School District (5%) and Levittown Union Free School District (5%) and Merrick Union Free School District (5%) and Garden City Union Free School District (4%) and Elmont Union Free School District (4%) and Wantagh Union Free School District (4%) and Baldwin Union Free School District (3%) and Seaford Union Free School District (3%) and Hewlett-Woodmere Union Free School District (3%) and North Bellmore Union Free School District (3%) and Valley Stream Union Free School District 13 (3%) and Bellmore Union Free School District (3%) and Hempstead Union Free School District (3%) and Rockville Centre Union Free School District (2%) and West Hempstead Union Free School District (2%) and Franklin Square Union Free School District (2%).
ASchool 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 Jul 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Hempstead spans 30 ZIP codes
ZIP codes where Hempstead residents live, with the share of the town in each.
| ZIP | Post office name | Share of Hempstead | ZIP’s residents in Hempstead |
|---|---|---|---|
| 11550 | Hempstead, NY | 8% | 100% |
| 11520 | Freeport, NY | 6% | 100% |
| 11003 | Elmont, NY | 6% | 100% |
| 11580 | Valley Stream, NY | 5% | 100% |
| 11756 | Levittown, NY | 5% | 100% |
| 11554 | East Meadow, NY | 5% | 100% |
| 11710 | Bellmore, NY | 4% | 100% |
| 11566 | Merrick, NY | 4% | 100% |
| 11510 | Baldwin, NY | 4% | 100% |
| 11793 | Wantagh, NY | 4% | 100% |
| 11572 | Oceanside, NY | 4% | 100% |
| 11570 | Rockville Centre, NY | 4% | 100% |
| 11530 | Garden City, NY | 4% | 100% |
| 11553 | Uniondale, NY | 3% | 100% |
| 11010 | Franklin Square, NY | 3% | 100% |
| 11552 | West Hempstead, NY | 3% | 100% |
| 11563 | Lynbrook, NY | 3% | 100% |
| 11581 | Valley Stream, NY | 3% | 100% |
| 11783 | Seaford, NY | 3% | 95% |
| 11001 | Floral Park, NY | 2% | 71% |
| 11575 | Roosevelt, NY | 2% | 100% |
| 11590 | Westbury, NY | 2% | 31% |
| 11598 | Woodmere, NY | 2% | 100% |
| 11518 | East Rockaway, NY | 1% | 100% |
| 11096 | Inwood, NY | 1% | 100% |
| 11558 | Island Park, NY | 1% | 100% |
| 11565 | Malverne, NY | 1% | 100% |
| 11559 | Lawrence, NY | 1% | 100% |
| 11557 | Hewlett, NY | 1% | 100% |
| 11516 | Cedarhurst, NY | 1% | 100% |
A few homes fall in 11040, 11561, 11714, 11509, 11549, 11569, 11556. 11551 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.
Train: OpenStreetMap (© OpenStreetMap contributors). ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Hempstead
Who supplies Hempstead’s drinking water, and has it had violations?
Liberty Utilities New York - Lynbrook (EPA ID NY2902835). It reported 5 health-based violations to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule) ×5. 86% of systems its size had none. Its latest lead 90th percentile was 5.0 ppb (Jan–Jun 2026), against a 15 ppb action level.
Who provides electricity in Hempstead?
PSEG Long Island (Long Island Power Authority), a state utility. Its homes paid about 26.2¢ per kWh in 2025 (EIA).
What internet providers serve Hempstead?
Verizon, Optimum, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Hempstead?
11550 (8%), 11520 (6%), 11003 (6%), 11580 (5%), 11756 (5%), 11554 (5%), 11710 (4%), 11566 (4%), 11510 (4%), 11793 (4%), 11572 (4%), 11570 (4%), 11530 (4%), 11553 (3%), 11010 (3%), 11552 (3%), 11563 (3%), 11581 (3%), 11783 (3%), 11001 (2%), 11575 (2%), 11590 (2%), 11598 (2%), 11518 (1%), 11096 (1%), 11558 (1%), 11565 (1%), 11559 (1%), 11557 (1%), 11516 (1%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Hempstead in?
Bellmore-Merrick Central High School District. Parts of the city are in Sewanhaka Central High School District and Valley Stream Central High School District and Oceanside Union Free School District and Lawrence Union Free School District and East Meadow Union Free School District and Uniondale Union Free School District and Freeport Union Free School District and Levittown Union Free School District and Merrick Union Free School District and Garden City Union Free School District and Elmont Union Free School District and Wantagh Union Free School District and Baldwin Union Free School District and Seaford Union Free School District and Hewlett-Woodmere Union Free School District and North Bellmore Union Free School District and Valley Stream Union Free School District 13 and Bellmore Union Free School District and Hempstead Union Free School District and Rockville Centre Union Free School District and West Hempstead Union Free School District and Franklin Square Union Free School District.
How do I register to vote in Hempstead?
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 Nassau 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: Hempstead’s own website (hempsteadny.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.