Photo: Henry Hudson Kitson · Public domainLiving in Lexington, MA: what to set up and who to call
Elections in Lexington are run by Lexington itself; register with the Lexington Town Clerk. The closest public drop-off to Lexington is Transfer Station / Recycling Center, 5 miles out; the town decides whether residents may use it.
I’m new in town
What to set up in Lexington, 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 Lexington.
Power comes from Eversource
Eversource (NSTAR Electric Co., doing business as Eversource), an investor-owned utility, serves all of Lexington. Its homes paid an average of 21.5¢ per kWh in 2025, about $102 a month (its average across Massachusetts, for customers on its standard service). Massachusetts lets you buy power from another supplier; 76% of Eversource’s home customers do, and Eversource still delivers it.
Start or move service: nstar.com · (800) 592-2000
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Lexington Water Dept. (Mwra)
Lexington Water Dept. (Mwra) supplies almost all of Lexington. It buys treated surface water (EPA lists Mwra as seller) and serves 34,074 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–Dec 2025, was 1.8 ppb, below the 15 ppb action level that applied. The highest in five years was 2.8 ppb. That’s higher than 62% 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. MA3155000.
5 home internet providers serve Lexington
100% of 10,141 addresses can get 100/20 Mbps; 93% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable, Fiber | 100% | 2,000/250 |
| Verizon | Fiber, Fixed wireless | 97% | 2,300/2,300 |
| Astound Broadband | Cable, Fiber | 94% | 1,500/50 |
| T-Mobile | Fixed wireless | 66% | 100/20 |
| AT&T | Fixed wireless | 28% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Lexington depends on your street
Pickup days, the drop-off and recycling in Lexington, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s dayFind your street’s day on lexingtonma.gov →
- Bulky itemsCall to book
Lexington Composting and Recycling Facility
60 Hartwell Avenue, Lexington, MA 02421
We couldn’t find its opening hours.
Accepted at the curb
- Metal food and beverage cans (emptied)
- Plastic bottles, jars, jugs, and tubs (emptied, cap on)
- Glass bottles and jars (emptied)
- Paper, magazines, and newspapers
From lexingtonma.gov, the town’s official site, checked Oct 21, 2026; pages dated 2026-09-27, 2026-2027. 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.
Lexington is in Lexington School District.
A+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 Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Lexington spans 2 ZIP codes
ZIP codes where Lexington residents live, with the share of the town in each.
| ZIP | Post office name | Share of Lexington | ZIP’s residents in Lexington |
|---|---|---|---|
| 02421 | Lexington, MA | 55% | 100% |
| 02420 | Lexington, MA | 45% | 100% |
A few homes fall in 01731.
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 Lexington
Who supplies Lexington’s drinking water, and has it had violations?
Lexington Water Dept. (Mwra) (EPA ID MA3155000). 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 1.8 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Lexington?
Eversource (NSTAR Electric Co., doing business as Eversource), an investor-owned utility. Its homes paid about 21.5¢ per kWh in 2025 (EIA).
What internet providers serve Lexington?
Xfinity, Verizon, Astound Broadband, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Lexington?
02421 (55%), 02420 (45%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Lexington in?
Lexington School District.
How do I register to vote in Lexington?
In Massachusetts you can register online until 10 days before Election Day, in person until 10 days before Election Day, or by mail (postmarked 10 days before). Elections here are run by the Lexington Town Clerk. Check your registration at sec.state.ma.us.
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: Lexington’s own website (lexingtonma.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 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.