Photo: Jguy10218 · CC BY-SA 4.0Living in Highlands Ranch, CO: what to set up and who to call
Highlands Ranch has no town government of its own, so Douglas County runs its elections and most services, and its children attend Douglas County School District RE-1. Highlands Ranch Library, at 9292 Ridgeline Blvd, is the library in town.
I’m new in town
What to set up in Highlands Ranch, 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 Highlands Ranch.
Power comes from Xcel Energy
Xcel Energy (Public Service Co. of Colorado), an investor-owned utility, serves all of Highlands Ranch. Its homes paid an average of 15.9¢ per kWh in 2025, about $93 a month (its average across Colorado).
Start or move service: xcelenergy.com · (800) 895-4999
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Highlands Ranch WSD
Highlands Ranch WSD supplies almost all of Highlands Ranch. It draws surface water (EPA lists Wise Project and Denver Water Board as sellers) and serves 103,444 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 86% of the 332 systems serving 100,001–250,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2026, was 3.0 ppb, below the 15 ppb action level that applied. That’s higher than 77% 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. CO0118015.
9 home internet providers serve Highlands Ranch
100% of 32,589 addresses can get 100/20 Mbps; 40% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable, Fiber | 100% | 2,000/250 |
| CenturyLink | DSL, Fiber | 86% | 100/10 |
| BAM Broadband | Fiber, Fixed wireless | 36% | 8,000/8,000 |
| Quantum Fiber | Fiber | 8% | 8,000/8,000 |
| Verizon | Fixed wireless | 72% | 300/20 |
| AT&T | Fixed wireless | 33% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Highlands Ranch’s trash rules yet
Pickup rules, the dump and recycling in Highlands Ranch.
Where your child goes to school
Public school districts and the school path by grade.
Highlands Ranch is in Douglas County School District RE-1.
ASchool gradeSee 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
Highlands Ranch is unincorporated, so Douglas County is the local government.
Election office: FVAP local election office directory, updated Jul 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Highlands Ranch spans 4 ZIP codes
ZIP codes where Highlands Ranch residents live, with the share of the town in each.
| ZIP | Post office name | Share of Highlands Ranch | ZIP’s residents in Highlands Ranch |
|---|---|---|---|
| 80126 | Littleton, CO | 43% | 100% |
| 80129 | Littleton, CO | 28% | 98% |
| 80130 | Littleton, CO | 26% | 100% |
| 80124 | Lone Tree, CO | 3% | 12% |
A few homes fall in 80125.
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 Highlands Ranch
Who supplies Highlands Ranch’s drinking water, and has it had violations?
Highlands Ranch WSD (EPA ID CO0118015). It reported no health-based violations to EPA in the five years to October 2026; 86% of systems its size had none. Its latest lead 90th percentile was 3.0 ppb (Jan–Jun 2026), against a 15 ppb action level.
Who provides electricity in Highlands Ranch?
Xcel Energy (Public Service Co. of Colorado), an investor-owned utility. Its homes paid about 15.9¢ per kWh in 2025 (EIA).
What internet providers serve Highlands Ranch?
Xfinity, CenturyLink, BAM Broadband, Quantum Fiber, Verizon, AT&T (FCC, as of December 2025).
What ZIP codes are in Highlands Ranch?
80126 (43%), 80129 (28%), 80130 (26%), 80124 (3%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Highlands Ranch in?
Douglas County School District RE-1.
How do I register to vote in Highlands Ranch?
In Colorado you can register online until 8 days before Election Day, in person up to and including Election Day, or by mail (postmarked 8 days before). Elections here are run by the Douglas County Clerk and Recorder. Check your registration at sos.state.co.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: 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 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.