Plumbing repair · Joliet, Illinois
Plumbing repair in Joliet, IL
Leak, backed-up drain, no hot water, or a frozen line? The largest share of Joliet's homes (24%) was built 2000 to 2009[1]. Request a licensed plumber who works here. Joliet, in Will County and Kendall County — ZIPs 60436, 60431, 60435, 60421, 60586, 60432, 60433, counts 152,241 residents (2025 estimate)[2].
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The Joliet plumbing picture in brief
- Population (2025 est.)
- 152,241[2]+1.2% since 2020
- County
- Will / Kendall[2]city spans more than one county
- Land area
- 66.3 sq mi[3]
- Decade the most homes date from
- 2000 to 2009[1]24% of housing units
- Homes built before 1980
- 47%[1]the 6th-lowest share of the 15 Chicago-area suburbs we cover
- Homes built 1980–1999
- 23%[1]2020–2024
- Homes built 2010 or later
- 6%[1]the 8th-highest share of the 15 Chicago-area suburbs we cover
- Winter-storm & freeze days, will zone
- 13[4]2016–2025
- Flood & flash-flood reports within 10 mi
- 40[4]11 flash floods, 2016–2025; flood-prone homes need working drainage and backflow prevention
- FEMA flood-insurance claims, local ZIPs
- 1,062[5]44 in the last 10 years; 874 paid
- Homes on utility gas heat
- 86%[1]gas piping work usually needs a permit and a licensed installer
Reading the Joliet data for plumbing
Joliet is one of the fastest-growing Chicago-metro suburbs tracked here: 152,241 people (2025 estimate), up 1.2% since 2020[2]. The city spans 66.3 square miles at 2,298 residents per square mile (the 15th densest) and spans Will County and Kendall County, served by ZIP codes 60436, 60431, 60435, 60421, 60586, 60432, 60433[3].
With 6% of homes built since 2010 and 47% before 1980[1], Joliet's plumbing runs from brand-new supply lines and fixtures to aging pipe, original valves and water heaters past their rated life.
Mail to Joliet goes through 7 ZIP codes — 60436 (17% of the city's land), 60431 (16% of the city's land), 60435 (14% of the city's land), 60421 (13% of the city's land), 60586 (13% of the city's land), 60432 (8% of the city's land), 60433 (7% of the city's land)[6].
Nearest of the other suburbs we track: Bolingbrook (12.0 mi N), Naperville (16.1 mi N) and Orland Park (16.2 mi NE)[3].
47% of Joliet's 53,814 housing units predate 1980 and 6% went up in 2010 or later[1] — the 6th-lowest pre-1980 share of the 15 Chicago-area suburbs we cover; nearby, Bolingbrook (41%), Naperville (26%), and Orland Park (30%) predate 1980. The 23% built in 1980–1999 are at the age where original water heaters and valves get replaced.
The biggest single slice — 24% — was built 2000 to 2009, and the median home dates to 1985[1]. Neighbours from the same era tend to hit the same plumbing problems at the same time.
Freeze risk: the will forecast zone logged 13 winter-storm, ice or hard-freeze days in 2016–2025; the latest was Dec 29, 2020[4].
Water from the sky is plumbing work too: 40 flood or flash-flood reports within 10 miles over 2016–2025[4], and FEMA logged 1,062 flood-insurance claims across Joliet's ZIPs[5]. Homes that take water need working drainage, sump pumps and backflow prevention.
86% of homes heat with utility gas, and 26% of households rent[1].
Out of the 15 suburbs on this site, Joliet has the 3rd-fewest flood reports nearby (40)[4].
Joliet storm calendar
Within 10 miles of Joliet, 2016–2025: 11 flash-flood reports and 29 flood or heavy-rain reports[4]. Peak: 63% in April, May, and June. Busiest year 2020 (14); 2 of 10 years had none. Busiest month May 2020 (11). Latest: flash-flood report, Aug 18, 2025, 9.5 mi out.
| Month | Flash flood | Flood & heavy rain | All |
|---|---|---|---|
| Jan | – | 2 | 2 |
| Feb | – | 3 | 3 |
| Mar | – | 1 | 1 |
| Apr | – | 4 | 4 |
| May | 8 | 5 | 13 |
| Jun | 2 | 6 | 8 |
| Jul | – | 3 | 3 |
| Aug | 1 | 3 | 4 |
| Oct | – | 2 | 2 |
plumbing help in Joliet: what to do next
Plumbing repair contractors taking requests around Joliet cover ZIP codes 60436, 60431, 60435, 60421, 60586, 60432, 60433.
Before you pick up the phone: before the plumber arrives
The data underneath this Joliet page
| Measure | Joliet | Median of 15 | Difference |
|---|---|---|---|
| Flood reports (10 mi) | 40 | 56 | 16 fewer |
| Built before 1960 | 29.9% | 24.5% | 5 pts higher |
| Built before 1980 | 47% | 55% | 8 pts lower |
| Utility-gas heat | 86% | 84% | 2 pts higher |
| Renter-occupied | 26% | 26% | about the same |
| Median year built | 1985 | 1977 | 8 years newer |
| Built 2010 or later | 6% | 6% | same as median |
Largest differences first. Medians are the middle value across the covered Chicago-area suburbs, from the same sources.
| City | Flood reports | NFIP claims | Freeze days |
|---|---|---|---|
| Joliet | 40 | 1,062 | 13 |
| Bolingbrook 12.0 mi | 76 | 101 | 13 |
| Naperville 16.1 mi | 78 | 226 | — |
| Orland Park 16.2 mi | 62 | 77 | 20 |
| Tinley Park 18.1 mi | 55 | 93 | 20 |
| Aurora 18.6 mi | 55 | 304 | 55 |
| ZIP | Claims | Paid | Busiest year |
|---|---|---|---|
| 60436 | 73 | $599,314 | 1996 (21) |
| 60431 | 64 | $1,373,535 | 1996 (24) |
| 60435 | 101 | $593,395 | 1981 (29) |
| 60421 | 46 | $184,404 | 1980 (19) |
| 60586 | 76 | $1,543,360 | 1996 (24) |
| 60432 | 432 | $1,471,608 | 1996 (257) |
| 60433 | 270 | $1,249,753 | 1981 (96) |
ZIPs extend past city limits.
| Date | Type | Distance |
|---|---|---|
| Aug 18, 2025 | Flash Flood | 9.5 mi |
| Aug 18, 2025 | Heavy Rain | 6.8 mi |
| Jun 18, 2025 | Heavy Rain | 5.4 mi |
| Apr 2, 2025 | Flood | 3.2 mi |
| May 7, 2024 | Flood | 7.4 mi |
| Mar 14, 2024 | Flood | 2.1 mi |
| Jan 15, 2024 | Flood | 9.8 mi |
| Jan 15, 2024 | Flood | 9.8 mi |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 371 | 0.7% | ±141 |
| 2010 to 2019 | 2,766 | 5.1% | ±392 |
| 2000 to 2009 | 12,913 | 24.0% | ±750 |
| 1990 to 1999 | 9,476 | 17.6% | ±591 |
| 1980 to 1989 | 2,941 | 5.5% | ±401 |
| 1970 to 1979 | 4,428 | 8.2% | ±459 |
| 1960 to 1969 | 4,831 | 9.0% | ±443 |
| 1950 to 1959 | 5,081 | 9.4% | ±465 |
| 1940 to 1949 | 2,543 | 4.7% | ±332 |
| 1939 or earlier | 8,464 | 15.7% | ±611 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 53,814 |
| Detached single-family | 37,403 (70%) |
| Occupied homes | 51,055 |
| Owner-occupied | 37,640 (74%) |
| Renter-occupied | 13,415 (26%) |
| Median home value | $265,800 |
ACS 2020–2024 estimates.
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Utility gas | 43,980 | 86.1% | ±781 |
| Electricity | 6,201 | 12.1% | ±574 |
| Bottled or tank gas (propane, butane, etc.) | 444 | 0.9% | ±134 |
| No fuel used | 253 | 0.5% | ±107 |
| Other fuel | 137 | 0.3% | ±77 |
| Solar energy | 40 | 0.1% | ±35 |
| ZIP (ZCTA) | Share of Joliet's land | Share of the ZIP inside the city |
|---|---|---|
| 60436 | 17% | 62% |
| 60431 | 16% | 79% |
| 60435 | 14% | 86% |
| 60421 | 13% | 14% |
| 60586 | 13% | 47% |
| 60432 | 8% | 63% |
| 60433 | 7% | 35% |
Dated heat and freeze records for the WILL forecast zone: see the county list.
Joliet plumbing questions
Are Joliet homes likely to have old galvanized pipes?
Only an inspection can say, but age is the clue: 30% were built before 1960 and 47% before 1980[1].
How often do pipes freeze in Joliet?
The record for Joliet's forecast zone shows 13 winter-storm or freeze days over 2016–2025, in 4 different years[4].
Which ZIP codes are covered in Joliet?
60436, 60431, 60435, 60421, 60586, 60432, and 60433[6], in Will County. Nearby suburbs with their own pages: Bolingbrook (12.0 mi), Naperville (16.1 mi), and Orland Park (16.2 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.