Plumbing repair · League City, Texas
Plumbing repair in League City, TX
Leak, backed-up drain, no hot water, or a frozen line? The largest share of League City's homes (31%) was built 2000 to 2009[1]. Request a licensed plumber who works 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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League City plumbing snapshot: the key figures
- 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]
- Decade the most homes date from
- 2000 to 2009[1]31% of housing units
- Homes built before 1980
- 14%[1]the 3rd-lowest share of the 15 Houston-area suburbs we cover
- Homes built 1980–1999
- 28%[1]2020–2024
- Homes built 2010 or later
- 27%[1]the 5th-highest share of the 15 Houston-area suburbs we cover
- Winter-storm & freeze days, galveston zone
- 1[4]2016–2025
- Flood & flash-flood reports within 10 mi
- 32[4]30 flash floods, 2016–2025; flood-prone homes need working drainage and backflow prevention
- FEMA flood-insurance claims, local ZIPs
- 19,518[5]5,827 in the last 10 years; 16,370 paid
What the local data means for plumbing in League City
League City counts 119,905 residents (2025 estimate), growing at a middle-of-the-pack 4.9% since 2020[2]. On the map that's 51.4 square miles holding 2,335 residents per square mile, the 5th densest of the suburbs here; it spans Galveston County and Harris County, with ZIP codes 77573, 77511, 77539, 77565[3].
With 27% of homes built since 2010 and 14% before 1980[1], League City's plumbing runs from brand-new supply lines and fixtures to aging pipe, original valves and water heaters past their rated life.
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)[7].
The closest tracked neighbours are Friendswood (5.6 mi W), Pasadena (11.7 mi N) and La Porte (12.8 mi N)[3].
14% of League City's 44,942 housing units predate 1980 and 27% went up in 2010 or later[1] — the 3rd-lowest pre-1980 share of the 15 Houston-area suburbs we cover; nearby, Friendswood (30%), Pasadena (57%), and La Porte (42%) predate 1980. New-construction problems are usually fittings, supply lines, water-heater installs and drain slopes, not worn-out pipe.
The biggest single slice — 31% — was built 2000 to 2009, and the median home dates to 2003[1]. Neighbours from the same era tend to hit the same plumbing problems at the same time.
Freeze risk: the galveston forecast zone logged 1 winter-storm, ice or hard-freeze day in 2016–2025; the latest was Dec 8, 2017[4].
Water from the sky is plumbing work too: 32 flood or flash-flood reports within 10 miles over 2016–2025[4], and FEMA logged 19,518 flood-insurance claims across League City's ZIPs[5]. Homes that take water need working drainage, sump pumps and backflow prevention.
57% of homes heat with utility gas, and 25% of households rent[1].
Measured against the 15 suburbs on this site, League City records the most flood reports nearby (32)[4], the 2nd-newest housing (by median year built) (2003, tied with Pearland and Katy)[1], and the 3rd-lowest pre-1980 housing share (14%)[1].
League City storm calendar
Within 10 miles of League City, 2016–2025: 30 flash-flood reports and 2 flood or heavy-rain reports[4]. Peak: spread out; May, August, and September held 56%. Busiest year 2017 (9). Busiest month August 2017 (7). Latest: flood or heavy-rain report, Jun 12, 2025, 3.3 mi out.
| Month | Flash flood | Flood & heavy rain | All |
|---|---|---|---|
| Mar | 1 | – | 1 |
| Apr | 2 | – | 2 |
| May | 5 | – | 5 |
| Jun | 2 | 1 | 3 |
| Jul | 1 | 1 | 2 |
| Aug | 8 | – | 8 |
| Sep | 5 | – | 5 |
| Oct | 2 | – | 2 |
| Dec | 4 | – | 4 |
plumbing help in League City: what to do next
Plumbing repair contractors taking requests around League City cover ZIP codes 77573, 77511, 77539, 77565.
Before you call: before the plumber arrives
League City by the numbers
| Measure | League City | Median of 15 | Difference |
|---|---|---|---|
| Flood reports (10 mi) | 32 | 15 | 17 more |
| Built before 1960 | 2.1% | 9.7% | 8 pts lower |
| Built before 1980 | 14% | 28% | 14 pts lower |
| Built 2010 or later | 27% | 19% | 8 pts higher |
| Renter-occupied | 25% | 43% | 18 pts lower |
| Utility-gas heat | 57% | 50% | 8 pts higher |
| 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 | Flood reports | NFIP claims | Freeze days |
|---|---|---|---|
| League City | 32 | 19,518 | 1 |
| Friendswood 5.6 mi | 30 | 6,059 | 1 |
| Pasadena 11.7 mi | 25 | 13,636 | 4 |
| La Porte 12.8 mi | 18 | 4,801 | 4 |
| Texas City 13.6 mi | 12 | 12,018 | 1 |
| Pearland 13.6 mi | 17 | 5,580 | 1 |
| ZIP | Claims | Paid | Busiest year |
|---|---|---|---|
| 77573 | 4,382 | $198,374,810 | 2017 (1683) |
| 77511 | 3,655 | $104,487,721 | 1979 (1364) |
| 77539 | 8,375 | $456,582,559 | 2017 (2597) |
| 77565 | 3,106 | $87,422,236 | 2008 (982) |
ZIPs extend past city limits.
| Date | Type | Distance |
|---|---|---|
| Jun 12, 2025 | Flood | 3.3 mi |
| Apr 29, 2024 | Flash Flood | 9.7 mi |
| Sep 15, 2023 | Flash Flood | 3.8 mi |
| Sep 15, 2023 | Flash Flood | 3.0 mi |
| Jun 8, 2023 | Flash Flood | 5.5 mi |
| Dec 30, 2022 | Flash Flood | 3.6 mi |
| Dec 29, 2022 | Flash Flood | 9.4 mi |
| Jun 4, 2021 | Flash Flood | 7.0 mi |
| 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.
| 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 |
| 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.
plumbing questions from League City homeowners
Are League City homes likely to have old galvanized pipes?
Only an inspection can say, but age is the clue: 2% were built before 1960 and 14% before 1980[1].
How often do pipes freeze in League City?
The record for League City's forecast zone shows 1 winter-storm or freeze day over 2016–2025, in 1 different year[4].
Which ZIP codes are covered in League City?
77573, 77511, 77539, and 77565[7], in Galveston County. Nearby suburbs with their own 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 plumbing and water heater 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
- OpenFEMA NFIP claims
- Texas State Board of Plumbing Examiners (link unverified)
- Census 2020 ZCTA–place file
Data pulled Sep 28, 2026. Full citations and method.