Living in Kirby, TX: what to set up and who to call
In Kirby, trash day is Thursday. Power in Kirby comes from City of San Antonio, a municipal utility rather than a private company.
I’m new in town
What to set up in Kirby, 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 Kirby.
Power comes from City of San Antonio
City of San Antonio (City of San Antonio - (TX)), a municipal utility, serves all of Kirby. Its homes paid an average of 12.4¢ per kWh in 2025, about $133 a month (its average across Texas).
Start or move service: cpsenergy.com · (800) 773-3077
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Kirby water system
The City of Kirby water system supplies Kirby: about 97% of residents live in its service area. It draws ground water and serves 8,142 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 2021–Dec 2023, was 2.0 ppb, below the 15 ppb action level that applied. That’s higher than 67% 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. TX0150010.
7 home internet providers serve Kirby
100% of 2,927 addresses can get 100/20 Mbps; 70% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 98% | 1,000/35 |
| AT&T | Fiber, DSL, Fixed wireless | 97% | 5,000/5,000 |
| Astound Broadband | Cable, Fiber | 91% | 1,500/50 |
| Alamo Broadband | Fixed wireless | 97% | 990/300 |
| Verizon | Fixed wireless | 96% | 300/20 |
| T-Mobile | Fixed wireless | 46% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Kirby is Thursday
Pickup days, the drop-off and recycling in Kirby, from the town’s own site.
This month
- TrashEvery week
- RecyclingEvery other week, Thu · which week: kirbytx.org
From kirbytx.org, the town’s official site, checked Oct 21, 2026. 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.
Kirby is in Judson Independent School District.
C−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 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Kirby is in ZIP code 78219
ZIP codes where Kirby residents live, with the share of the town in each.
| ZIP | Post office name | Share of Kirby | ZIP’s residents in Kirby |
|---|---|---|---|
| 78219 | San Antonio, TX | 100% | 49% |
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 Kirby
Who supplies Kirby’s drinking water, and has it had violations?
The City of Kirby water system (EPA ID TX0150010). 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 2.0 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Kirby?
City of San Antonio (City of San Antonio - (TX)), a municipal utility. Its homes paid about 12.4¢ per kWh in 2025 (EIA).
What internet providers serve Kirby?
Spectrum, AT&T, Astound Broadband, Alamo Broadband, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Kirby?
78219. Census 2020 ZIP Code Tabulation Areas.
What school district is Kirby in?
Judson Independent School District.
How do I register to vote in Kirby?
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 Bexar 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: Kirby’s own website (kirbytx.org), 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.