Water damage restoration · Downers Grove, Illinois
Water damage restoration in Downers Grove, IL
Burst pipe, failed water heater, or storm water? Downers Grove-area ZIPs: 158 flood claims since 1978[1]; 64% of homes built before 1980[2]. Request help from local restoration crews. Downers Grove, in DuPage County — ZIPs 60515, 60516, counts 50,365 residents (2025 estimate)[3].
Request helpIs this a water-damage emergency?
Answer a few questions for a plan for the next hour.
Downers Grove at a glance for water damage
- Population (2025 est.)
- 50,365[3]+0.2% since 2020
- County
- DuPage[3]
- Land area
- 14.7 sq mi[4]
- Flood-insurance (NFIP) claims, local ZIPs
- 158 since 1978[1]$1,825,572 paid across 120 claims · ZIP 60515, 60516
- Flood & flash-flood reports within 10 mi
- 97[5]2016–2025 · latest Aug 18, 2025
- Federal disaster declarations incl. flooding, DuPage Co.
- 3[6]of 8 total declarations
- Homes built before 1980
- 64%[2]the 4th-highest share of the 15 Chicago-area suburbs we cover
- Households renting
- 25%[2]2020–2024
Reading the Downers Grove data for water damage
Downers Grove counts 50,365 residents (2025 estimate), growing at a middle-of-the-pack 0.2% since 2020[3]. On the map that's 14.7 square miles holding 3,437 residents per square mile, the 10th densest of the suburbs here; it sits entirely in DuPage County, with ZIP codes 60515, 60516[4].
Downers Grove mixes 7% of homes built since 2010 and 64% before 1980[2]: new supply lines and water heaters in one house, aging pipe and original valves in the next — so where a leak starts depends a lot on the address.
2 ZIP codes cover Downers Grove — 60515 (65% of the city's land), 60516 (35% of the city's land)[7].
The closest tracked neighbours are Wheaton (6.2 mi NW), Naperville (7.9 mi SW) and Bolingbrook (8.6 mi SW)[4].
158 flood-insurance claims have come from Downers Grove-area ZIP codes (60515, 60516) since 1978, and $1,825,572 has been paid on them (about $15,213 per paid claim)[1]. 2013 was the worst year, with 37 claims. That is the 8th-most of the 15 Chicago-area suburbs we cover; for comparison, Wheaton (232), Naperville (226), and Bolingbrook (101). Of the 141 claims rated in a flood zone, 99 were in FEMA's high-risk areas (zones A or V) and 42 outside them (zones B, C or X)[1][8] — flooding here is not only a high-risk-zone problem.
By month of loss, Downers Grove-area flood claims cluster in March (19), April (41), and July (34) — 94 of 158 dated claims[1].
Within 10 miles of central Downers Grove, weather observers filed 97 flood, flash-flood or heavy-rain reports in 2016–2025 (36 flash floods)[5]. Countywide: 3 flood declarations since 2000, latest Severe Storms, Straight-Line Winds, and Flooding (DR-4116, 2013)[6]. Nearby: Wheaton (77), Naperville (78), and Bolingbrook (76).
64% of Downers Grove's 21,527 housing units predate 1980[2] — the 4th-highest share of the 15 Chicago-area suburbs we cover (Wheaton (62%), Naperville (26%), and Bolingbrook (41%)). Aging supply lines and valves are the usual hidden-leak suspects in houses that old.
75% of Downers Grove households own their home[2], so most claims and rebuilds here are coordinated by the owner.
Measured against the 15 suburbs on this site, Downers Grove records the most flood reports nearby (97)[5].
How a leak spreads inside a wall
Water on the move: it spreads across floors and wicks upward into drywall until it is stopped.
Downers Grove storm calendar
Within 10 miles of Downers Grove, 2016–2025: 36 flash-flood reports, 52 flood reports, and 9 heavy-rain reports[5]. Peak: 69% in May, June, and July. Busiest year 2025 (22). Busiest month May 2020 (13). Latest: flash-flood report, Aug 18, 2025, 6.8 mi out.
| Month | Flash flood | Flood | Heavy rain | All |
|---|---|---|---|---|
| Jan | – | 1 | – | 1 |
| Mar | – | 2 | – | 2 |
| Apr | – | 7 | – | 7 |
| May | 9 | 13 | 1 | 23 |
| Jun | 3 | 9 | 1 | 13 |
| Jul | 13 | 12 | 6 | 31 |
| Aug | 9 | 3 | 1 | 13 |
| Sep | 2 | 2 | – | 4 |
| Oct | – | 3 | – | 3 |
Finding water damage help around Downers Grove
Requests go to Water damage restoration contractors serving the Downers Grove area — ZIP codes 60515, 60516.
Before you pick up the phone: what a restoration crew does first
Shared walls and ceilings: Downers Grove homes by building type
37%[2] of Downers Grove's homes share walls, floors or ceilings with a neighbour (multi-unit buildings alone: 30%, the 8th-highest multi-unit share of the 15 Chicago-area suburbs we cover). Water crosses those lines: in an attached or stacked unit, tell the neighbour and the association or landlord right away, and check whose policy covers which part of the damage.
After detached houses, the biggest group is 50 or more units: 2,281 of 21,527 housing units[2].
| Building type | Units | Share | Margin of error |
|---|---|---|---|
| Detached house | 13,344 | 62.0% | ±464 |
| Attached house (townhouse, rowhouse) | 1,631 | 7.6% | ±246 |
| Duplex (2 units) | 115 | 0.5% | ±73 |
| 3–4 units | 477 | 2.2% | ±318 |
| 5–9 units | 949 | 4.4% | ±267 |
| 10–19 units | 1,191 | 5.5% | ±280 |
| 20–49 units | 1,391 | 6.5% | ±205 |
| 50 or more units | 2,281 | 10.6% | ±358 |
| Mobile home | 148 | 0.7% | ±153 |
Margins of error are the Census Bureau’s 90% intervals; small categories in small cities are rough.
The data underneath this Downers Grove page
| Measure | Downers Grove | Median of 15 | Difference |
|---|---|---|---|
| Flood reports (10 mi) | 97 | 56 | 41 more |
| Median home value | $449,800 | $355,600 | 26% higher |
| Built before 1980 | 64% | 55% | 9 pts higher |
| Renter-occupied | 25% | 26% | 1 pts lower |
| Owner-occupied | 75% | 74% | 1 pts higher |
| Median year built | 1974 | 1977 | 3 years older |
| NFIP flood claims (area ZIPs) | 158 | 158 | same as median |
Biggest gaps first. Medians are middle values across the Chicago-area suburbs we cover, drawn from the same sources.
| City | NFIP claims | Flood reports ≤10 mi | Freeze days | Built before 1980 | Renting |
|---|---|---|---|---|---|
| Downers Grove | 158 | 97 | — | 64% | 25% |
| Wheaton 6.2 mi | 232 | 77 | — | 62% | 28% |
| Naperville 7.9 mi | 226 | 78 | — | 26% | 25% |
| Bolingbrook 8.6 mi | 101 | 76 | 13 | 41% | 21% |
| Aurora 14.0 mi | 304 | 55 | 55 | 42% | 34% |
| Orland Park 15.4 mi | 77 | 62 | 20 | 30% | 14% |
| ZIP | Claims | Paid | Busiest year | Outside high-risk zones |
|---|---|---|---|---|
| 60515 | 87 | $1,187,749 | 2013 (24) | 29 of 79 |
| 60516 | 71 | $637,823 | 2013 (13) | 13 of 62 |
ZIPs extend past city limits. Outside high-risk zones: claims rated in zone B, C or X, of the claims that carry a zone.
| Year | Claims |
|---|---|
| 2026 | 3 |
| 2020 | 4 |
| 2017 | 5 |
| 2015 | 2 |
| 2014 | 2 |
| 2013 | 37 |
| 2011 | 1 |
| 2010 | 2 |
| 2009 | 3 |
| 2008 | 5 |
| 2007 | 1 |
| 2006 | 4 |
| Month | Claims |
|---|---|
| February | 10 |
| March | 19 |
| April | 41 |
| May | 10 |
| June | 8 |
| July | 34 |
| August | 12 |
| September | 6 |
| October | 10 |
| November | 1 |
| December | 7 |
| Date | Type | Distance |
|---|---|---|
| Aug 18, 2025 | Flash Flood | 1.1 mi |
| Aug 18, 2025 | Flash Flood | 1.3 mi |
| Aug 18, 2025 | Flash Flood | 6.8 mi |
| Aug 18, 2025 | Flash Flood | 3.2 mi |
| Aug 18, 2025 | Flash Flood | 6.8 mi |
| Aug 17, 2025 | Flash Flood | 9.6 mi |
| Aug 12, 2025 | Flash Flood | 3.2 mi |
| Aug 12, 2025 | Flood | 6.0 mi |
| ZIP (ZCTA) | Share of Downers Grove's land | Share of the ZIP inside the city |
|---|---|---|
| 60515 | 65% | 80% |
| 60516 | 35% | 68% |
Downers Grove water damage questions
Do I need flood insurance in Downers Grove?
Homeowners policies exclude outside floodwater[9], and Downers Grove-area ZIPs have 12 NFIP claims in just the last ten years[1].
Which Downers Grove ZIP codes do these crews cover?
60515 and 60516[7], in DuPage County. Nearby pages: Wheaton (6.2 mi), Naperville (7.9 mi), and Bolingbrook (8.6 mi)[4].
Which Downers Grove ZIP code has the most flood claims?
60515, with 87 NFIP claims and $1,187,749 paid[1].
When was the last flood report near Downers Grove?
Aug 18, 2025: a flash flood report 1.1 miles from the city center[5].
A lot of Downers Grove homes predate 1980 — what does that mean for plumbing fixtures and water heater work?
64% of Downers Grove's housing units were built before 1980, 24.5% before 1960[2] — the 4th-highest share of the 15 Chicago-area suburbs we cover. Older supply lines and original shut-off valves are common failure points — know where your main shut-off is before you need it.
My Downers Grove home is fairly new — could the plumbing fixtures and water heater still be under warranty?
Possibly: 7% of Downers Grove's housing units were built in 2010 or later[2], the 5th-highest share of the 15 Chicago-area suburbs we cover. Check your closing paperwork for warranties before paying for a repair.
Sources
- OpenFEMA NFIP claims
- Census ACS 2020–2024 5-year (keyless bulk)
- Census population estimates, Vintage 2025
- Census Gazetteer 2025
- NOAA Storm Events Database
- OpenFEMA disaster declarations
- Census 2020 ZCTA–place file
- FEMA, Flood Zones (link unverified)
- FEMA FloodSmart (link unverified)
Data pulled Sep 28, 2026. Full citations and method.