Plumbing repair · Allen, Texas
Plumbing repair in Allen, TX
Leak, backed-up drain, no hot water, or a frozen line? The largest share of Allen's homes (33%) was built 2000 to 2009[1]. Request a licensed plumber who works here. Allen, in Collin County — ZIPs 75013, 75002, counts 113,447 residents (2025 estimate)[2].
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Allen plumbing snapshot: the key figures
- Population (2025 est.)
- 113,447[2]+8.4% since 2020
- County
- Collin[2]
- Land area
- 26.4 sq mi[3]
- Decade the most homes date from
- 2000 to 2009[1]33% of housing units
- Homes built before 1980
- 7%[1]the 3rd-lowest share of the 15 Dallas–Fort Worth–area suburbs we cover
- Homes built 1980–1999
- 34%[1]2020–2024
- Homes built 2010 or later
- 27%[1]the 4th-highest share of the 15 Dallas–Fort Worth–area suburbs we cover
- Winter-storm & freeze days, collin zone
- 14[4]2016–2025
- Flood & flash-flood reports within 10 mi
- 27[4]26 flash floods, 2016–2025; flood-prone homes need working drainage and backflow prevention
- FEMA flood-insurance claims, local ZIPs
- 56[5]9 in the last 10 years; 44 paid
Reading the Allen data for plumbing
Allen counts 113,447 residents (2025 estimate), growing at a middle-of-the-pack 8.4% since 2020[2]. On the map that's 26.4 square miles holding 4,300 residents per square mile, the 2nd densest of the suburbs here; it sits entirely in Collin County, with ZIP codes 75013, 75002[3].
With 27% of homes built since 2010 and 7% before 1980[1], Allen's plumbing runs from brand-new supply lines and fixtures to aging pipe, original valves and water heaters past their rated life.
Mail to Allen goes through 2 ZIP codes — 75013 (57% of the city's land), 75002 (43% of the city's land)[7].
The tracked suburbs closest by are Plano (5.8 mi SW), McKinney (6.5 mi N) and Frisco (9.2 mi W)[3].
7% of Allen's 39,094 housing units predate 1980 and 27% went up in 2010 or later[1] — the 3rd-lowest pre-1980 share of the 15 Dallas–Fort Worth–area suburbs we cover; nearby, Plano (18%), McKinney (8%), and Frisco (2%) predate 1980. New-construction problems are usually fittings, supply lines, water-heater installs and drain slopes, not worn-out pipe.
The biggest single slice — 33% — 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 collin forecast zone logged 14 winter-storm, ice or hard-freeze days in 2016–2025, including February 2021; the latest was Feb 18, 2025[4].
Water from the sky is plumbing work too: 27 flood or flash-flood reports within 10 miles over 2016–2025[4], and FEMA logged 56 flood-insurance claims across Allen's ZIPs[5]. Homes that take water need working drainage, sump pumps and backflow prevention.
55% of homes heat with utility gas, and 31% of households rent[1].
Out of the 15 suburbs on this site, Allen has the 2nd-highest gas-heat share (55%)[1] and the 3rd-lowest pre-1980 housing share (7%)[1].
Allen storm calendar
Within 10 miles of Allen, 2016–2025: 26 flash-flood reports and 1 flood or heavy-rain report[4]. Peak: 78% in April, May, and June. Busiest year 2025 (9); 3 of 10 years had none. Busiest month June 2025 (6). Latest: flash-flood report, Sep 22, 2025, 8.9 mi out.
| Month | Flash flood | Flood & heavy rain | All |
|---|---|---|---|
| Apr | 5 | – | 5 |
| May | 6 | 1 | 7 |
| Jun | 9 | – | 9 |
| Jul | 1 | – | 1 |
| Aug | 1 | – | 1 |
| Sep | 3 | – | 3 |
| Dec | 1 | – | 1 |
Get plumbing help in Allen
Requests go to Plumbing repair contractors serving the Allen area — ZIP codes 75013, 75002.
Before reaching out: before the plumber arrives
Allen by the numbers
| Measure | Allen | Median of 15 | Difference |
|---|---|---|---|
| Built before 1960 | 0.7% | 3.1% | 2 pts lower |
| Built before 1980 | 7% | 18% | 12 pts lower |
| Utility-gas heat | 55% | 42% | 14 pts higher |
| Built 2010 or later | 27% | 21% | 6 pts higher |
| Renter-occupied | 31% | 38% | 8 pts lower |
| Flood reports (10 mi) | 27 | 24 | 3 more |
| Median year built | 2003 | 1997 | 6 years newer |
Biggest gaps first. Medians are middle values across the Dallas–Fort Worth–area suburbs we cover, drawn from the same sources.
| City | Flood reports | NFIP claims | Freeze days |
|---|---|---|---|
| Allen | 27 | 56 | 14 |
| Plano 5.8 mi | 36 | 114 | 14 |
| McKinney 6.5 mi | 11 | 57 | 14 |
| Frisco 9.2 mi | 17 | 32 | 14 |
| Garland 13.9 mi | 49 | 460 | 20 |
| Carrollton 15.4 mi | 48 | 115 | 14 |
| ZIP | Claims | Paid | Busiest year |
|---|---|---|---|
| 75013 | 2 | $18,737 | 2007 (1) |
| 75002 | 54 | $1,843,218 | 2015 (18) |
ZIPs extend past city limits.
| Date | Type | Distance |
|---|---|---|
| Sep 22, 2025 | Flash Flood | 8.9 mi |
| Aug 31, 2025 | Flash Flood | 7.9 mi |
| Jun 9, 2025 | Flash Flood | 9.5 mi |
| Jun 4, 2025 | Flash Flood | 9.1 mi |
| Jun 3, 2025 | Flash Flood | 10.0 mi |
| Jun 3, 2025 | Flash Flood | 6.3 mi |
| Jun 3, 2025 | Flash Flood | 9.8 mi |
| Jun 3, 2025 | Flash Flood | 9.9 mi |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 2,085 | 5.3% | ±389 |
| 2010 to 2019 | 8,335 | 21.3% | ±840 |
| 2000 to 2009 | 12,859 | 32.9% | ±952 |
| 1990 to 1999 | 9,107 | 23.3% | ±784 |
| 1980 to 1989 | 4,014 | 10.3% | ±651 |
| 1970 to 1979 | 1,882 | 4.8% | ±415 |
| 1960 to 1969 | 536 | 1.4% | ±200 |
| 1950 to 1959 | 86 | 0.2% | ±63 |
| 1940 to 1949 | 66 | 0.2% | ±74 |
| 1939 or earlier | 124 | 0.3% | ±155 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 39,094 |
| Detached single-family | 28,701 (73%) |
| Occupied homes | 37,243 |
| Owner-occupied | 25,834 (69%) |
| Renter-occupied | 11,409 (31%) |
| Median home value | $464,100 |
ACS 2020–2024 estimates.
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Utility gas | 20,557 | 55.2% | ±1,013 |
| Electricity | 16,229 | 43.6% | ±948 |
| No fuel used | 223 | 0.6% | ±148 |
| Bottled or tank gas (propane, butane, etc.) | 175 | 0.5% | ±127 |
| Solar energy | 28 | 0.1% | ±30 |
| Fuel oil, kerosene, etc. | 19 | 0.1% | ±30 |
| Wood | 12 | 0.0% | ±24 |
| ZIP (ZCTA) | Share of Allen's land | Share of the ZIP inside the city |
|---|---|---|
| 75013 | 57% | 100% |
| 75002 | 43% | 30% |
Dated heat and freeze records for the COLLIN forecast zone: see the county list.
Common Allen plumbing questions
Are Allen homes likely to have old galvanized pipes?
Only an inspection can say, but age is the clue: 1% were built before 1960 and 7% before 1980[1].
How often do pipes freeze in Allen?
The record for Allen's forecast zone shows 14 winter-storm or freeze days over 2016–2025, in 8 different years[4].
Which ZIP codes are covered in Allen?
75013 and 75002[7], in Collin County. Nearby suburbs with their own pages: Plano (5.8 mi), McKinney (6.5 mi), and Frisco (9.2 mi)[3].
My Allen home is fairly new — could the plumbing and water heater still be under warranty?
Possibly: 27% of Allen's housing units were built in 2010 or later[1], the 4th-highest share of the 15 Dallas–Fort Worth–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.