Plumbing repair · Liberty Hill, Texas
Plumbing repair in Liberty Hill, TX
Leak, backed-up drain, no hot water, or a frozen line? The largest share of Liberty Hill's homes (48%) was built 2010 to 2019[1]. Request a licensed plumber who works here. Liberty Hill, in Williamson County — ZIP 78642, counts 13,317 residents (2025 estimate)[2].
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The Liberty Hill plumbing picture in brief
- Population (2025 est.)
- 13,317[2]+276.6% since 2020
- County
- Williamson[2]
- Land area
- 4.6 sq mi[3]
- Decade the most homes date from
- 2010 to 2019[1]48% of housing units
- Homes built before 1980
- 6%[1]the 6th-highest share of the 15 Austin-area suburbs we cover
- Homes built 1980–1999
- 8%[1]2020–2024
- Homes built 2010 or later
- 82%[1]the highest share of the 15 Austin-area suburbs we cover
- Winter-storm & freeze days, williamson zone
- 23[4]2016–2025
- Flood & flash-flood reports within 10 mi
- 17[4]17 flash floods, 2016–2025; flood-prone homes need working drainage and backflow prevention
- FEMA flood-insurance claims, local ZIPs
- 38[5]23 in the last 10 years; 30 paid
What the local data means for plumbing in Liberty Hill
Liberty Hill is one of the fastest-growing Austin-metro suburbs tracked here: 13,317 people (2025 estimate), up 276.6% since 2020[2]. It covers 4.6 square miles (2,874 residents per square mile, the 4th densest), sits entirely in Williamson County, in ZIP code 78642[3].
With 82% of homes built since 2010 and 6% before 1980[1], Liberty Hill's plumbing runs from brand-new supply lines and fixtures to aging pipe, original valves and water heaters past their rated life.
78642 is the city's single ZIP code[7].
The closest tracked neighbours are Leander (6.7 mi SE), Cedar Park (11.8 mi SE) and Georgetown (12.3 mi E)[3].
6% of Liberty Hill's 2,719 housing units predate 1980 and 82% went up in 2010 or later[1] — the 6th-highest pre-1980 share of the 15 Austin-area suburbs we cover; nearby, Leander (3%), Cedar Park (6%), and Georgetown (9%) predate 1980. New-construction problems are usually fittings, supply lines, water-heater installs and drain slopes, not worn-out pipe.
The biggest single slice — 48% — was built 2010 to 2019, and the median home dates to 2017[1]. Neighbours from the same era tend to hit the same plumbing problems at the same time.
Freeze risk: the williamson forecast zone logged 23 winter-storm, ice or hard-freeze days in 2016–2025, including February 2021; the latest was Feb 22, 2025[4].
Water from the sky is plumbing work too: 17 flood or flash-flood reports within 10 miles over 2016–2025[4], and FEMA logged 38 flood-insurance claims across Liberty Hill's ZIPs[5]. Homes that take water need working drainage, sump pumps and backflow prevention.
20% of homes heat with utility gas, and 39% of households rent[1]. Tenants: report plumbing failures to the landlord in writing.
Out of the 15 suburbs on this site, Liberty Hill has the newest housing (by median year built) (2017)[1] and the highest share of homes built since 2010 (82%)[1].
Finding plumbing help around Liberty Hill
Requests go to Plumbing repair contractors serving the Liberty Hill area — ZIP code 78642.
Before you call: before the plumber arrives
The data underneath this Liberty Hill page
| Measure | Liberty Hill | Median of 15 | Difference |
|---|---|---|---|
| Built before 1960 | 4.6% | 1.5% | 3 pts higher |
| Built 2010 or later | 82% | 50% | 32 pts higher |
| Built before 1980 | 6% | 4% | 2 pts higher |
| Utility-gas heat | 20% | 37% | 16 pts lower |
| Renter-occupied | 39% | 31% | 9 pts higher |
| Median year built | 2017 | 2010 | 7 years newer |
| Flood reports (10 mi) | 17 | 17 | same as median |
Biggest gaps first. Medians are middle values across the Austin-area suburbs we cover, drawn from the same sources.
| City | Flood reports | NFIP claims | Freeze days |
|---|---|---|---|
| Liberty Hill | 17 | 38 | 23 |
| Leander 6.7 mi | 20 | 104 | 23 |
| Cedar Park 11.8 mi | 27 | 61 | 23 |
| Georgetown 12.3 mi | 10 | 128 | 23 |
| Lago Vista 15.4 mi | 3 | 139 | 22 |
| Round Rock 17.2 mi | 20 | 310 | 23 |
| ZIP | Claims | Paid | Busiest year |
|---|---|---|---|
| 78642 | 38 | $2,980,929 | 2025 (18) |
ZIPs extend past city limits.
| Date | Type | Distance |
|---|---|---|
| Jul 5, 2025 | Flash Flood | 5.8 mi |
| Jul 5, 2025 | Flash Flood | 3.9 mi |
| Jul 5, 2025 | Flash Flood | 4.0 mi |
| Jul 5, 2025 | Flash Flood | 4.9 mi |
| Jul 5, 2025 | Flash Flood | 1.0 mi |
| Jul 5, 2025 | Flash Flood | 1.0 mi |
| Jul 5, 2025 | Flash Flood | 9.9 mi |
| Jul 5, 2025 | Flash Flood | 6.8 mi |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 915 | 33.7% | ±368 |
| 2010 to 2019 | 1,302 | 47.9% | ±291 |
| 2000 to 2009 | 107 | 3.9% | ±86 |
| 1990 to 1999 | 131 | 4.8% | ±146 |
| 1980 to 1989 | 89 | 3.3% | ±108 |
| 1970 to 1979 | 28 | 1.0% | ±32 |
| 1960 to 1969 | 22 | 0.8% | ±27 |
| 1950 to 1959 | 0 | 0.0% | ±21 |
| 1940 to 1949 | 4 | 0.1% | ±7 |
| 1939 or earlier | 121 | 4.5% | ±67 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 2,719 |
| Detached single-family | 1,758 (65%) |
| Occupied homes | 2,611 |
| Owner-occupied | 1,586 (61%) |
| Renter-occupied | 1,025 (39%) |
| Median home value | $403,200 |
ACS 2020–2024 estimates.
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Electricity | 1,945 | 74.5% | ±317 |
| Utility gas | 533 | 20.4% | ±294 |
| Bottled or tank gas (propane, butane, etc.) | 91 | 3.5% | ±110 |
| No fuel used | 27 | 1.0% | ±31 |
| Other fuel | 15 | 0.6% | ±20 |
| ZIP (ZCTA) | Share of Liberty Hill's land | Share of the ZIP inside the city |
|---|---|---|
| 78642 | 92% | 4% |
Dated heat and freeze records for the WILLIAMSON forecast zone: see the county list.
Common Liberty Hill plumbing questions
Are Liberty Hill homes likely to have old galvanized pipes?
Only an inspection can say, but age is the clue: 5% were built before 1960 and 6% before 1980[1].
How often do pipes freeze in Liberty Hill?
The record for Liberty Hill's forecast zone shows 23 winter-storm or freeze days over 2016–2025, in 9 different years[4].
Which ZIP codes are covered in Liberty Hill?
78642[7], in Williamson County. Nearby suburbs with their own pages: Leander (6.7 mi), Cedar Park (11.8 mi), and Georgetown (12.3 mi)[3].
My Liberty Hill home is fairly new — could the plumbing and water heater still be under warranty?
Possibly: 82% of Liberty Hill's housing units were built in 2010 or later[1], the highest share of the 15 Austin-area suburbs we cover. Check your closing paperwork for warranties before paying for a repair.
I rent in Liberty Hill. Who arranges the repair?
39% of occupied Liberty Hill homes are rented[1], the 5th-highest share of the 15 Austin-area suburbs we cover. Tell your landlord or property manager in writing first; your lease says who arranges repairs.
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.