Plumbing repair · Webster Groves, Missouri
Plumbing repair in Webster Groves, MO
Leak, backed-up drain, no hot water, or a frozen line? The largest share of Webster Groves's homes (35%) was built 1939 or earlier[1]. Request a licensed plumber who works here. Webster Groves, in St. Louis County — ZIP 63119, counts 23,450 residents (2025 estimate)[2].
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Webster Groves at a glance for plumbing
- Population (2025 est.)
- 23,450[2]-2.3% since 2020
- County
- St. Louis[2]
- Land area
- 5.9 sq mi[3]
- Decade the most homes date from
- 1939 or earlier[1]35% of housing units
- Homes built before 1980
- 80%[1]the 3rd-highest share of the 15 St. Louis–area suburbs we cover
- Homes built 1980–1999
- 14%[1]2020–2024
- Homes built 2010 or later
- 3%[1]the 4th-lowest share of the 15 St. Louis–area suburbs we cover
- Winter-storm & freeze days, st. louis zone
- 12[4]2016–2025
- Flood & flash-flood reports within 10 mi
- 21[4]18 flash floods, 2016–2025; flood-prone homes need working drainage and backflow prevention
- FEMA flood-insurance claims, local ZIPs
- 111[5]37 in the last 10 years; 89 paid
- Homes on utility gas heat
- 79%[1]gas piping work usually needs a permit and a licensed installer
What Webster Groves's numbers say about plumbing
Webster Groves is one of the most established suburbs tracked here — 23,450 people (2025 estimate), down just 2.3% since 2020[2]. The city spans 5.9 square miles at 3,967 residents per square mile (the 3rd densest) and sits entirely in St. Louis County, served by ZIP code 63119[3].
With 3% of homes built since 2010 and 80% before 1980[1], Webster Groves's plumbing runs from brand-new supply lines and fixtures to aging pipe, original valves and water heaters past their rated life.
63119 is the city's single ZIP code[6].
Nearest of the other suburbs we track: Kirkwood (3.6 mi W), University City (5.6 mi N) and Ballwin (10.6 mi W)[3].
80% of Webster Groves's 9,921 housing units predate 1980 and 3% went up in 2010 or later[1] — the 3rd-highest pre-1980 share of the 15 St. Louis–area suburbs we cover; nearby, Kirkwood (70%), University City (85%), and Ballwin (59%) predate 1980. Houses that old can still have galvanized supply pipe or cast-iron drains — especially the 68% built before 1960.
The biggest single slice — 35% — was built 1939 or earlier, and the median home dates to 1952[1]. Neighbours from the same era tend to hit the same plumbing problems at the same time.
Freeze risk: the st. louis forecast zone logged 12 winter-storm, ice or hard-freeze days in 2016–2025, including February 2021; the latest was Dec 1, 2025[4].
Water from the sky is plumbing work too: 21 flood or flash-flood reports within 10 miles over 2016–2025[4], and FEMA logged 111 flood-insurance claims across Webster Groves's ZIPs[5]. Homes that take water need working drainage, sump pumps and backflow prevention.
79% of homes heat with utility gas, and 24% of households rent[1].
Among the 15 suburbs tracked here, Webster Groves stands out for the 2nd-oldest housing (by median year built) (1952)[1], the 2nd-most flood reports nearby (21)[4], the 3rd-highest pre-1980 housing share (80%)[1], and the 3rd-highest gas-heat share (79%)[1].
Webster Groves storm calendar
Within 10 miles of Webster Groves, 2016–2025: 18 flash-flood reports and 3 flood or heavy-rain reports[4]. Peak: 67% in May, July, and August. Busiest year 2024 (4); 3 of 10 years had none. Busiest month November 2024 (3). Latest: flash-flood report, Aug 10, 2025, 5.8 mi out.
| Month | Flash flood | Flood & heavy rain | All |
|---|---|---|---|
| Apr | 1 | 1 | 2 |
| May | 4 | 1 | 5 |
| Jun | 2 | – | 2 |
| Jul | 3 | – | 3 |
| Aug | 6 | – | 6 |
| Nov | 2 | 1 | 3 |
Get plumbing help in Webster Groves
Plumbing repair contractors taking requests around Webster Groves cover ZIP code 63119.
Before you pick up the phone: before the plumber arrives
The Webster Groves numbers behind this page
| Measure | Webster Groves | Median of 15 | Difference |
|---|---|---|---|
| Built before 1960 | 68.1% | 9.8% | 58 pts higher |
| Flood reports (10 mi) | 21 | 14 | 7 more |
| Built before 1980 | 80% | 54% | 26 pts higher |
| Built 2010 or later | 3% | 6% | 3 pts lower |
| Utility-gas heat | 79% | 69% | 10 pts higher |
| Renter-occupied | 24% | 23% | 1 pts higher |
| Median year built | 1952 | 1977 | 25 years older |
Biggest gaps first. Medians are middle values across the St. Louis–area suburbs we cover, drawn from the same sources.
| City | Flood reports | NFIP claims | Freeze days |
|---|---|---|---|
| Webster Groves | 21 | 111 | 12 |
| Kirkwood 3.6 mi | 20 | 285 | 12 |
| University City 5.6 mi | 27 | 1,257 | 12 |
| Ballwin 10.6 mi | 16 | 244 | 12 |
| Maryland Heights 11.0 mi | 14 | 161 | 12 |
| Arnold 11.1 mi | 15 | 1,217 | 11 |
| ZIP | Claims | Paid | Busiest year |
|---|---|---|---|
| 63119 | 111 | $1,397,998 | 2022 (20) |
ZIPs extend past city limits.
| Date | Type | Distance |
|---|---|---|
| Aug 10, 2025 | Flash Flood | 5.8 mi |
| May 19, 2025 | Heavy Rain | 7.0 mi |
| May 19, 2025 | Flash Flood | 4.5 mi |
| Apr 5, 2025 | Flood | 8.6 mi |
| Nov 5, 2024 | Flash Flood | 6.9 mi |
| Nov 5, 2024 | Heavy Rain | 5.3 mi |
| Nov 4, 2024 | Flash Flood | 2.3 mi |
| Apr 2, 2024 | Flash Flood | 9.2 mi |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 106 | 1.1% | ±63 |
| 2010 to 2019 | 212 | 2.1% | ±74 |
| 2000 to 2009 | 219 | 2.2% | ±100 |
| 1990 to 1999 | 719 | 7.2% | ±260 |
| 1980 to 1989 | 680 | 6.9% | ±225 |
| 1970 to 1979 | 528 | 5.3% | ±168 |
| 1960 to 1969 | 698 | 7.0% | ±376 |
| 1950 to 1959 | 2,154 | 21.7% | ±303 |
| 1940 to 1949 | 1,126 | 11.3% | ±263 |
| 1939 or earlier | 3,479 | 35.1% | ±288 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 9,921 |
| Detached single-family | 7,876 (79%) |
| Occupied homes | 9,446 |
| Owner-occupied | 7,186 (76%) |
| Renter-occupied | 2,260 (24%) |
| Median home value | $387,600 |
ACS 2020–2024 estimates.
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Utility gas | 7,468 | 79.1% | ±464 |
| Electricity | 1,896 | 20.1% | ±365 |
| Bottled or tank gas (propane, butane, etc.) | 57 | 0.6% | ±43 |
| No fuel used | 9 | 0.1% | ±14 |
| Wood | 8 | 0.1% | ±13 |
| Other fuel | 8 | 0.1% | ±13 |
| ZIP (ZCTA) | Share of Webster Groves's land | Share of the ZIP inside the city |
|---|---|---|
| 63119 | 99% | 70% |
Dated heat and freeze records for the ST. LOUIS forecast zone: see the county list.
Webster Groves plumbing questions
Are Webster Groves homes likely to have old galvanized pipes?
Only an inspection can say, but age is the clue: 68% were built before 1960 and 80% before 1980[1].
How often do pipes freeze in Webster Groves?
The record for Webster Groves's forecast zone shows 12 winter-storm or freeze days over 2016–2025, in 7 different years[4].
Which ZIP codes are covered in Webster Groves?
63119[6], in St. Louis County. Nearby suburbs with their own pages: Kirkwood (3.6 mi), University City (5.6 mi), and Ballwin (10.6 mi)[3].
Sources
- Census ACS 2020–2024 5-year (keyless bulk)
- Census population estimates, Vintage 2025
- Census Gazetteer 2025
- NOAA Storm Events Database
- OpenFEMA NFIP claims
- Census 2020 ZCTA–place file
Data pulled Sep 28, 2026. Full citations and method.