Plumbing repair · Naperville, Illinois
Plumbing repair in Naperville, IL
Leak, backed-up drain, no hot water, or a frozen line? The largest share of Naperville's homes (26%) was built 1990 to 1999[1]. Request a licensed plumber who works here. Naperville, in DuPage County and Will County — ZIPs 60540, 60564, 60563, 60565, counts 153,114 residents (2025 estimate)[2].
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The Naperville plumbing picture in brief
- Population (2025 est.)
- 153,114[2]+2.4% since 2020
- County
- DuPage / Will[2]city spans more than one county
- Land area
- 39.4 sq mi[3]
- Decade the most homes date from
- 1990 to 1999[1]26% of housing units
- Homes built before 1980
- 26%[1]the lowest share of the 15 Chicago-area suburbs we cover
- Homes built 1980–1999
- 51%[1]2020–2024
- Homes built 2010 or later
- 8%[1]the 2nd-highest share of the 15 Chicago-area suburbs we cover
- Flood & flash-flood reports within 10 mi
- 78[4]26 flash floods, 2016–2025; flood-prone homes need working drainage and backflow prevention
- FEMA flood-insurance claims, local ZIPs
- 226[5]19 in the last 10 years; 148 paid
- Homes on utility gas heat
- 86%[1]gas piping work usually needs a permit and a licensed installer
Reading the Naperville data for plumbing
Naperville is one of the fastest-growing Chicago-metro suburbs tracked here: 153,114 people (2025 estimate), up 2.4% since 2020[2]. The city spans 39.4 square miles at 3,889 residents per square mile (the 9th densest) and spans DuPage County and Will County, served by ZIP codes 60540, 60564, 60563, 60565[3].
With 8% of homes built since 2010 and 26% before 1980[1], Naperville's plumbing runs from brand-new supply lines and fixtures to aging pipe, original valves and water heaters past their rated life.
Mail to Naperville goes through 4 ZIP codes — 60540 (26% of the city's land), 60564 (26% of the city's land), 60563 (26% of the city's land), 60565 (22% of the city's land)[6].
The tracked suburbs closest by are Bolingbrook (5.1 mi SE), Aurora (6.7 mi W) and Downers Grove (7.9 mi NE)[3].
26% of Naperville's 57,135 housing units predate 1980 and 8% went up in 2010 or later[1] — the lowest pre-1980 share of the 15 Chicago-area suburbs we cover; nearby, Bolingbrook (41%), Aurora (42%), and Downers Grove (64%) predate 1980. New-construction problems are usually fittings, supply lines, water-heater installs and drain slopes, not worn-out pipe.
The biggest single slice — 26% — was built 1990 to 1999, and the median home dates to 1990[1]. Neighbours from the same era tend to hit the same plumbing problems at the same time.
Water from the sky is plumbing work too: 78 flood or flash-flood reports within 10 miles over 2016–2025[4], and FEMA logged 226 flood-insurance claims across Naperville's ZIPs[5]. Homes that take water need working drainage, sump pumps and backflow prevention.
86% of homes heat with utility gas, and 25% of households rent[1].
Measured against the 15 suburbs on this site, Naperville records the lowest pre-1980 housing share (26%)[1], the newest housing (by median year built) (1990)[1], the 2nd-highest share of homes built since 2010 (8%)[1], and the 2nd-most flood reports nearby (78)[4].
Naperville storm calendar
Within 10 miles of Naperville, 2016–2025: 26 flash-flood reports and 52 flood or heavy-rain reports[4]. Peak: 71% in May, July, and August. Busiest year 2025 (21). Busiest month August 2025 (12). Latest: flash-flood report, Aug 18, 2025, 2.8 mi out.
| Month | Flash flood | Flood & heavy rain | All |
|---|---|---|---|
| Jan | – | 1 | 1 |
| Mar | – | 1 | 1 |
| Apr | – | 4 | 4 |
| May | 5 | 18 | 23 |
| Jun | 2 | 7 | 9 |
| Jul | 8 | 12 | 20 |
| Aug | 8 | 4 | 12 |
| Sep | 2 | 3 | 5 |
| Oct | 1 | 2 | 3 |
Finding plumbing help around Naperville
Requests go to Plumbing repair contractors serving the Naperville area — ZIP codes 60540, 60564, 60563, 60565.
Before reaching out: before the plumber arrives
The data underneath this Naperville page
| Measure | Naperville | Median of 15 | Difference |
|---|---|---|---|
| Built before 1960 | 5.8% | 24.5% | 19 pts lower |
| Built before 1980 | 26% | 55% | 29 pts lower |
| Flood reports (10 mi) | 78 | 56 | 22 more |
| Built 2010 or later | 8% | 6% | 2 pts higher |
| Renter-occupied | 25% | 26% | 1 pts lower |
| Utility-gas heat | 86% | 84% | 2 pts higher |
| Median year built | 1990 | 1977 | 13 years newer |
Biggest gaps first. Medians are middle values across the Chicago-area suburbs we cover, drawn from the same sources.
| City | Flood reports | NFIP claims | Freeze days |
|---|---|---|---|
| Naperville | 78 | 226 | — |
| Bolingbrook 5.1 mi | 76 | 101 | 13 |
| Aurora 6.7 mi | 55 | 304 | 55 |
| Downers Grove 7.9 mi | 97 | 158 | — |
| Wheaton 7.9 mi | 77 | 232 | — |
| Joliet 16.1 mi | 40 | 1,062 | 13 |
| ZIP | Claims | Paid | Busiest year |
|---|---|---|---|
| 60540 | 108 | $672,728 | 1996 (23) |
| 60564 | 20 | $73,463 | 1996 (12) |
| 60563 | 36 | $113,048 | 1996 (7) |
| 60565 | 62 | $506,757 | 1996 (26) |
ZIPs extend past city limits.
| Date | Type | Distance |
|---|---|---|
| Aug 18, 2025 | Flash Flood | 8.7 mi |
| Aug 18, 2025 | Flash Flood | 6.8 mi |
| Aug 18, 2025 | Flash Flood | 1.1 mi |
| Aug 18, 2025 | Flash Flood | 9.4 mi |
| Aug 18, 2025 | Flash Flood | 2.8 mi |
| Aug 17, 2025 | Heavy Rain | 9.8 mi |
| Aug 17, 2025 | Heavy Rain | 9.0 mi |
| Aug 17, 2025 | Heavy Rain | 7.0 mi |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 508 | 0.9% | ±140 |
| 2010 to 2019 | 4,081 | 7.1% | ±532 |
| 2000 to 2009 | 8,588 | 15.0% | ±637 |
| 1990 to 1999 | 14,959 | 26.2% | ±836 |
| 1980 to 1989 | 14,239 | 24.9% | ±822 |
| 1970 to 1979 | 8,538 | 14.9% | ±707 |
| 1960 to 1969 | 2,917 | 5.1% | ±278 |
| 1950 to 1959 | 1,364 | 2.4% | ±280 |
| 1940 to 1949 | 522 | 0.9% | ±272 |
| 1939 or earlier | 1,419 | 2.5% | ±255 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 57,135 |
| Detached single-family | 35,865 (63%) |
| Occupied homes | 54,847 |
| Owner-occupied | 41,020 (75%) |
| Renter-occupied | 13,827 (25%) |
| Median home value | $540,200 |
ACS 2020–2024 estimates.
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Utility gas | 47,249 | 86.1% | ±1,015 |
| Electricity | 6,506 | 11.9% | ±679 |
| Bottled or tank gas (propane, butane, etc.) | 641 | 1.2% | ±199 |
| No fuel used | 228 | 0.4% | ±114 |
| Other fuel | 165 | 0.3% | ±93 |
| Fuel oil, kerosene, etc. | 38 | 0.1% | ±47 |
| Solar energy | 20 | 0.0% | ±23 |
| ZIP (ZCTA) | Share of Naperville's land | Share of the ZIP inside the city |
|---|---|---|
| 60540 | 26% | 77% |
| 60564 | 26% | 62% |
| 60563 | 26% | 68% |
| 60565 | 22% | 68% |
plumbing questions from Naperville homeowners
Are Naperville homes likely to have old galvanized pipes?
Only an inspection can say, but age is the clue: 6% were built before 1960 and 26% before 1980[1].
Which ZIP codes are covered in Naperville?
60540, 60564, 60563, and 60565[6], in DuPage County. Nearby suburbs with their own pages: Bolingbrook (5.1 mi), Aurora (6.7 mi), and Downers Grove (7.9 mi)[3].
My Naperville home is fairly new — could the plumbing and water heater still be under warranty?
Possibly: 8% of Naperville's housing units were built in 2010 or later[1], the 2nd-highest share of the 15 Chicago-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
- Census 2020 ZCTA–place file
Data pulled Sep 28, 2026. Full citations and method.