AC & heating repair · League City, Texas
AC repair and HVAC service in League City, TX
AC quit, heat pump struggling, or a system near the end of its life? In League City, 41% of homes heat with electricity[1] and half were built before 2003. Request service from HVAC contractors working here. League City, in Galveston County and Harris County — ZIPs 77573, 77511, 77539, 77565, counts 119,905 residents (2025 estimate)[2].
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The League City HVAC picture in brief
- Population (2025 est.)
- 119,905[2]+4.9% since 2020
- County
- Galveston / Harris[2]city spans more than one county
- Land area
- 51.4 sq mi[3]
- Homes heated with electricity
- 41%[1]the 5th-lowest share of the 15 Houston-area suburbs we cover
- Homes heated with utility gas
- 57%[1]plus 1% propane/LP
- Heat & excessive-heat days, galveston zone
- 0[4]2016–2025
- Winter-storm & freeze days, galveston zone
- 1[4]2016–2025; heating demand and freeze-related furnace failures
- Lightning-damage reports within 10 mi
- 11[4]2016–2025; power surges damage HVAC control boards
- Damaging-wind reports within 10 mi
- 38[4]2016–2025; wind-blown debris damages outdoor condenser units
- Homes built before 2000
- 42%[1]of 44,942 housing units
- Median year built
- 2003[1]the 2nd-newest of the 15 Houston-area suburbs we cover
What the local data means for HVAC in League City
League City counts 119,905 residents (2025 estimate), growing at a middle-of-the-pack 4.9% since 2020[2]. The city spans 51.4 square miles at 2,335 residents per square mile (the 5th densest) and spans Galveston County and Harris County, served by ZIP codes 77573, 77511, 77539, 77565[3].
With 27% of homes built in 2010 or later[1], a good share of League City's equipment may still be under builder or manufacturer warranty; the 42% built before 2000 is where replacement jobs cluster.
4 ZIP codes cover League City — 77573 (58% of the city's land), 77511 (19% of the city's land), 77539 (14% of the city's land), 77565 (2% of the city's land)[5].
The tracked suburbs closest by are Friendswood (5.6 mi W), Pasadena (11.7 mi N) and La Porte (12.8 mi N)[3].
41% of occupied League City homes heat with electricity, 57% with utility gas and 1% with propane[1] — the 5th-lowest electric share of the 15 Houston-area suburbs we cover; nearby, Friendswood (43%), Pasadena (50%), and La Porte (47%) heat electrically. Gas heat means a furnace plus a separate AC condenser.
Galveston County forecast zone, 2016–2025: 0 heat or excessive-heat days and 1 winter-storm or hard-freeze day[4]. Nearby: Friendswood (0), Pasadena (1), and La Porte (1).
Storm exposure for HVAC hardware: 11 lightning-damage reports within 10 miles; 38 damaging-wind reports within 10 miles in 2016–2025[4]. Most recent: May 27, 2025, 3.7 miles from the city center.
42% of League City's 44,942 housing units were built before 2000 and 27% since 2010[1] (pre-2000 share nearby: Friendswood (67%), Pasadena (83%), and La Porte (75%)). Check builder-installed equipment for a registered warranty.
Out of the 15 suburbs on this site, League City has the 2nd-newest housing (by median year built) (2003, tied with Pearland and Katy)[1] and the 2nd-most damaging-wind reports nearby (38, tied with Pearland)[4].
How air moves through a central system
Return, filter, air handler, supply ducts: a clogged filter slows the whole loop.
League City storm calendar
Within 10 miles of League City, 2016–2025: 38 damaging-wind reports and 11 lightning reports[4]. Peak: spread out; April, May, and October held 51%. Busiest year 2024 (11). Busiest month April 2024 (6). Latest: damaging-wind report, May 27, 2025, 3.7 mi out.
| Month | Damaging wind | Lightning | All |
|---|---|---|---|
| Jan | 4 | 1 | 5 |
| Feb | 1 | – | 1 |
| Mar | 4 | 1 | 5 |
| Apr | 7 | – | 7 |
| May | 8 | 2 | 10 |
| Jun | 4 | 2 | 6 |
| Jul | 1 | 1 | 2 |
| Aug | – | 1 | 1 |
| Sep | 1 | 1 | 2 |
| Oct | 6 | 2 | 8 |
| Dec | 2 | – | 2 |
Finding HVAC help around League City
Your request reaches AC & heating repair contractors who serve League City (ZIP codes 77573, 77511, 77539, 77565).
Before you call: repair or replace? what a good hvac visit covers
The data underneath this League City page
| Measure | League City | Median of 15 | Difference |
|---|---|---|---|
| Damaging-wind reports (10 mi) | 38 | 26 | 12 more |
| Built 2010 or later | 27% | 19% | 8 pts higher |
| Built before 2000 | 42% | 66% | 24 pts lower |
| Electric heat | 41% | 49% | 8 pts lower |
| Utility-gas heat | 57% | 50% | 8 pts higher |
| Propane / LP heat | 1.1% | 1.0% | about the same |
| Median year built | 2003 | 1993 | 10 years newer |
Sorted by largest difference. Each median is the middle value across the covered Houston-area suburbs, from the same sources.
| City | Heat days | Freeze days | Lightning reports | Damaging-wind reports |
|---|---|---|---|---|
| League City | 0 | 1 | 11 | 38 |
| Friendswood 5.6 mi | 0 | 1 | 12 | 35 |
| Pasadena 11.7 mi | 1 | 4 | 7 | 43 |
| La Porte 12.8 mi | 1 | 4 | 3 | 29 |
| Texas City 13.6 mi | 0 | 1 | 1 | 17 |
| Pearland 13.6 mi | 0 | 1 | 5 | 38 |
| Date | Wind | Distance |
|---|---|---|
| May 27, 2025 | 58 mph (est.) | 3.7 mi |
| Mar 24, 2025 | 61 mph | 8.1 mi |
| Dec 28, 2024 | 66 mph | 4.4 mi |
| May 28, 2024 | 60 mph (est.) | 0.9 mi |
| May 28, 2024 | 59 mph (est.) | 5.0 mi |
| May 28, 2024 | 66 mph | 8.1 mi |
| Date | Distance |
|---|---|
| Jan 24, 2024 | 2.2 mi |
| Mar 28, 2023 | 1.8 mi |
| May 16, 2023 | 4.9 mi |
| Jun 27, 2022 | 1.6 mi |
| Oct 13, 2022 | 6.8 mi |
| Aug 29, 2021 | 1.1 mi |
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Utility gas | 24,586 | 57.2% | ±855 |
| Electricity | 17,683 | 41.2% | ±883 |
| Bottled or tank gas (propane, butane, etc.) | 466 | 1.1% | ±155 |
| No fuel used | 125 | 0.3% | ±83 |
| Other fuel | 39 | 0.1% | ±64 |
| Solar energy | 31 | 0.1% | ±39 |
| Fuel oil, kerosene, etc. | 20 | 0.0% | ±17 |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 970 | 2.2% | ±276 |
| 2010 to 2019 | 11,343 | 25.2% | ±795 |
| 2000 to 2009 | 13,749 | 30.6% | ±1,027 |
| 1990 to 1999 | 7,349 | 16.4% | ±623 |
| 1980 to 1989 | 5,252 | 11.7% | ±621 |
| 1970 to 1979 | 3,559 | 7.9% | ±551 |
| 1960 to 1969 | 1,763 | 3.9% | ±570 |
| 1950 to 1959 | 432 | 1.0% | ±161 |
| 1940 to 1949 | 166 | 0.4% | ±114 |
| 1939 or earlier | 359 | 0.8% | ±183 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 44,942 |
| Detached single-family | 34,671 (77%) |
| Occupied homes | 42,950 |
| Owner-occupied | 32,090 (75%) |
| Renter-occupied | 10,860 (25%) |
| Median home value | $360,000 |
ACS 2020–2024 estimates.
| ZIP (ZCTA) | Share of League City's land | Share of the ZIP inside the city |
|---|---|---|
| 77573 | 58% | 100% |
| 77511 | 19% | 6% |
| 77539 | 14% | 15% |
| 77565 | 2% | 26% |
Dated heat and freeze records for the GALVESTON forecast zone: see the county list.
League City HVAC questions
Are heat pumps common in League City?
41% of League City homes heat with electricity[1], which means a heat pump or electric resistance heat.
How old are League City's homes — and their HVAC systems?
The median home dates to 2003, and 27% were built in 2010 or later[1]. Your own system may have been replaced since — the outdoor unit's data plate shows when it was made.
Which League City ZIP codes are covered?
77573, 77511, 77539, and 77565[5], Galveston County. Nearby pages: Friendswood (5.6 mi), Pasadena (11.7 mi), and La Porte (12.8 mi)[3].
My League City home is fairly new — could the HVAC equipment still be under warranty?
Possibly: 27% of League City's housing units were built in 2010 or later[1], the 5th-highest share of the 15 Houston-area suburbs we cover. Check your closing paperwork for warranties before paying for a repair.
Sources
- Census ACS 2020–2024 5-year (keyless bulk)
- Census population estimates, Vintage 2025
- Census Gazetteer 2025
- NOAA Storm Events Database
- Census 2020 ZCTA–place file
Data pulled Sep 28, 2026. Full citations and method.