Living in Cinco Ranch, TX: what to set up and who to call
Cinco Ranch has no town government of its own, so Fort Bend County runs its elections and most services, and its children attend Katy Independent School District. CenterPoint Energy delivers the power in Cinco Ranch, but in Texas’s open market you choose the company that sells it.
I’m new in town
What to set up in Cinco 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 Cinco Ranch.
Power comes from CenterPoint Energy
CenterPoint Energy (CenterPoint Energy), an investor-owned utility, serves all of Cinco Ranch.
Start or move service: centerpointenergy.com · (800) 259-5544
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Cinco MUD 2
Cinco MUD 2 supplies Cinco Ranch: about 23% of residents live in its service area. Cornerstones MUD serves another 16%. Cinco MUD 9 serves another 14%. Cinco MUD 5 serves another 11%. Cinco MUD 12 serves another 9%. Cinco MUD 3 serves another 8%. Cinco MUD 10 serves another 7%. Cinco MUD 6 serves another 6%. About 5% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It buys treated ground water (EPA lists Cinco MUD 1 as seller) and serves 4,743 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 2023–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
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. TX0790306.
6 home internet providers serve Cinco Ranch
100% of 4,989 addresses can get 100/20 Mbps; 94% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 2,000/250 |
| Ezee Fiber | Fiber | 88% | 8,000/8,000 |
| Fidium Fiber | Fiber | 72% | 2,000/2,000 |
| AT&T | Fixed wireless, DSL, Fiber | 65% | 5,000/5,000 |
| Verizon | Fixed wireless | 89% | 300/20 |
| T-Mobile | Fixed wireless | 43% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Cinco Ranch’s trash rules yet
Pickup rules, the dump and recycling in Cinco Ranch.
Where your child goes to school
Public school districts and the school path by grade.
Cinco Ranch is in Katy Independent School District.
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
Cinco Ranch is unincorporated, so Fort Bend County is the local government.
Election office: FVAP local election office directory, updated Oct 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Cinco Ranch spans 2 ZIP codes
ZIP codes where Cinco Ranch residents live, with the share of the town in each.
| ZIP | Post office name | Share of Cinco Ranch | ZIP’s residents in Cinco Ranch |
|---|---|---|---|
| 77450 | Katy, TX | 67% | 16% |
| 77494 | Katy, TX | 33% | 4% |
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 Cinco Ranch
Who supplies Cinco Ranch’s drinking water, and has it had violations?
Cinco MUD 2 (EPA ID TX0790306). 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 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Cinco Ranch?
CenterPoint Energy (CenterPoint Energy), an investor-owned utility.
What internet providers serve Cinco Ranch?
Xfinity, Ezee Fiber, Fidium Fiber, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Cinco Ranch?
77450 (67%), 77494 (33%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Cinco Ranch in?
Katy Independent School District.
How do I register to vote in Cinco Ranch?
Texas has no online registration; you can register in person until 30 days before Election Day or by mail (postmarked 30 days before). Elections here are run by the Fort Bend County Early Voting Clerk. Check your registration at teamrv-mvp.sos.texas.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 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.