Water damage restoration · Delaware, Ohio
Water damage restoration in Delaware, OH
Burst pipe, failed water heater, or storm water? Delaware-area ZIPs: 42 flood claims since 1980[1]; 36% of homes built before 1980[2]. Request help from local restoration crews. Delaware, in Delaware County — ZIP 43015, counts 46,636 residents (2025 estimate)[3].
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Delaware water damage snapshot: the key figures
- Population (2025 est.)
- 46,636[3]+12.9% since 2020
- County
- Delaware[3]
- Land area
- 20.4 sq mi[4]
- Flood-insurance (NFIP) claims, local ZIPs
- 42 since 1980[1]$526,397 paid across 35 claims · ZIP 43015
- Flood & flash-flood reports within 10 mi
- 24[5]2016–2025 · latest Aug 31, 2021
- Winter-storm & freeze days, delaware zone
- 55[5]2016–2025; hard freezes burst pipes
- Federal disaster declarations incl. flooding, Delaware Co.
- 3[6]of 12 total declarations
- Homes built before 1980
- 36%[2]the 7th-lowest share of the 15 Columbus-area suburbs we cover
- Households renting
- 35%[2]2020–2024
Reading the Delaware data for water damage
Delaware is one of the fastest-growing Columbus-metro suburbs tracked here: 46,636 people (2025 estimate), up 12.9% since 2020[3]. On the map that's 20.4 square miles holding 2,285 residents per square mile, the 12th densest of the suburbs here; it sits entirely in Delaware County, with ZIP code 43015[4].
Delaware mixes 24% of homes built since 2010 and 36% 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.
One ZIP code covers the whole city: 43015[7].
The closest tracked neighbours are Powell (8.2 mi S), Dublin (12.5 mi S) and Worthington (13.4 mi S)[4].
42 flood-insurance claims have come from Delaware-area ZIP codes (43015) since 1980, and $526,397 has been paid on them (about $15,040 per paid claim)[1]. 1980 was the worst year, with 6 claims. That is the 6th-fewest of the 15 Columbus-area suburbs we cover; for comparison, Powell (32), Dublin (26), and Worthington (60). Of the 38 claims rated in a flood zone, 29 were in FEMA's high-risk areas (zones A or V) and 9 outside them (zones B, C or X)[1][8] — flooding here is not only a high-risk-zone problem.
By month of loss, Delaware-area flood claims cluster in March (4), May (5), and June (15) — 24 of 42 dated claims[1].
Within 10 miles of central Delaware, weather observers filed 24 flood, flash-flood or heavy-rain reports in 2016–2025 (6 flash floods)[5]. Countywide: 3 flood declarations since 2000, latest Severe Winter Storms, Flooding, and Mudslides (DR-1580, 2004)[6]. Nearby: Powell (32), Dublin (19), and Worthington (43).
36% of Delaware's 17,726 housing units predate 1980[2] — the 7th-lowest share of the 15 Columbus-area suburbs we cover (Powell (4%), Dublin (11%), and Worthington (83%)). Expect a mix of original and replaced plumbing.
Freeze days in the delaware zone: 55 in 2016–2025, latest Dec 13, 2025[5]. Nearby: Powell (55), Dublin (68), and Worthington (68).
65% of Delaware households own their home[2], so most claims and rebuilds here are coordinated by the owner.
Measured against the 15 suburbs on this site, Delaware records the 3rd-fewest flood reports nearby (24, tied with Newark)[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.
Delaware storm calendar
Within 10 miles of Delaware, 2016–2025: 6 flash-flood reports and 18 flood reports[5]. Peak: 67% in May, June, and July. Busiest year 2018 (6); 4 of 10 years had none. Busiest month June 2018 (5). Latest: flood report, Aug 31, 2021, 9.2 mi out.
| Month | Flash flood | Flood | Heavy rain | All |
|---|---|---|---|---|
| Feb | – | 1 | – | 1 |
| Mar | 1 | – | – | 1 |
| May | 1 | 3 | – | 4 |
| Jun | 2 | 5 | – | 7 |
| Jul | – | 5 | – | 5 |
| Aug | – | 1 | – | 1 |
| Sep | – | 1 | – | 1 |
| Nov | 2 | 2 | – | 4 |
Get water damage help in Delaware
Water damage restoration contractors taking requests around Delaware cover ZIP code 43015.
Before you pick up the phone: what a restoration crew does first
Shared walls and ceilings: Delaware homes by building type
35%[2] of Delaware's homes share walls, floors or ceilings with a neighbour (multi-unit buildings alone: 27%, the 4th-highest multi-unit share of the 15 Columbus-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 3–4 units: 1,466 of 17,726 housing units[2].
| Building type | Units | Share | Margin of error |
|---|---|---|---|
| Detached house | 11,237 | 63.4% | ±513 |
| Attached house (townhouse, rowhouse) | 1,447 | 8.2% | ±327 |
| Duplex (2 units) | 612 | 3.5% | ±229 |
| 3–4 units | 1,466 | 8.3% | ±385 |
| 5–9 units | 1,131 | 6.4% | ±259 |
| 10–19 units | 577 | 3.3% | ±207 |
| 20–49 units | 487 | 2.7% | ±215 |
| 50 or more units | 501 | 2.8% | ±181 |
| Mobile home | 268 | 1.5% | ±135 |
Margins of error are the Census Bureau’s 90% intervals; small categories in small cities are rough.
The data underneath this Delaware page
| Measure | Delaware | Median of 15 | Difference |
|---|---|---|---|
| NFIP flood claims (area ZIPs) | 42 | 68 | 26 fewer |
| Flood reports (10 mi) | 24 | 35 | 11 fewer |
| Renter-occupied | 35% | 29% | 6 pts higher |
| Built before 1980 | 36% | 42% | 6 pts lower |
| Owner-occupied | 65% | 71% | 6 pts lower |
| Median home value | $318,400 | $339,600 | 6% lower |
| Median year built | 1995 | 1985 | 10 years newer |
Sorted by largest difference. Each median is the middle value across the covered Columbus-area suburbs, from the same sources.
| City | NFIP claims | Flood reports ≤10 mi | Freeze days | Built before 1980 | Renting |
|---|---|---|---|---|---|
| Delaware | 42 | 24 | 55 | 36% | 35% |
| Powell 8.2 mi | 32 | 32 | 55 | 4% | 12% |
| Dublin 12.5 mi | 26 | 19 | 68 | 11% | 23% |
| Worthington 13.4 mi | 60 | 43 | 68 | 83% | 17% |
| Westerville 14.1 mi | 71 | 35 | 68 | 46% | 28% |
| Marysville 15.0 mi | 23 | 17 | 49 | 30% | 33% |
| ZIP | Claims | Paid | Busiest year | Outside high-risk zones |
|---|---|---|---|---|
| 43015 | 42 | $526,397 | 1980 (6) | 9 of 38 |
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 |
|---|---|
| 2023 | 1 |
| 2020 | 5 |
| 2019 | 1 |
| 2017 | 3 |
| 2016 | 5 |
| 2014 | 1 |
| 2013 | 2 |
| 2011 | 2 |
| 2008 | 1 |
| 2005 | 3 |
| 2004 | 4 |
| 2003 | 1 |
| Month | Claims |
|---|---|
| January | 3 |
| March | 4 |
| April | 2 |
| May | 5 |
| June | 15 |
| July | 4 |
| August | 1 |
| September | 1 |
| October | 1 |
| November | 2 |
| December | 4 |
| Date | Type | Distance |
|---|---|---|
| Aug 31, 2021 | Flood | 9.2 mi |
| Sep 7, 2020 | Flood | 5.9 mi |
| May 19, 2020 | Flash Flood | 2.5 mi |
| May 19, 2020 | Flood | 2.1 mi |
| May 19, 2020 | Flood | 1.7 mi |
| Mar 28, 2020 | Flash Flood | 9.4 mi |
| Jul 3, 2019 | Flood | 5.9 mi |
| Jul 3, 2019 | Flood | 2.2 mi |
| ZIP (ZCTA) | Share of Delaware's land | Share of the ZIP inside the city |
|---|---|---|
| 43015 | 98% | 15% |
Delaware water damage questions
Do I need flood insurance in Delaware?
Homeowners policies exclude outside floodwater[9], and Delaware-area ZIPs have 15 NFIP claims in just the last ten years[1].
Which Delaware ZIP codes do these crews cover?
43015[7], in Delaware County. Nearby pages: Powell (8.2 mi), Dublin (12.5 mi), and Worthington (13.4 mi)[4].
When was the last flood report near Delaware?
Aug 31, 2021: a flood report 9.2 miles from the city center[5].
My Delaware home is fairly new — could the plumbing fixtures and water heater still be under warranty?
Possibly: 24% of Delaware's housing units were built in 2010 or later[2], the 4th-highest share of the 15 Columbus-area suburbs we cover. Check your closing paperwork for warranties before paying for a repair.
I rent in Delaware. Who arranges the repair?
35% of occupied Delaware homes are rented[2], the 5th-highest share of the 15 Columbus-area suburbs we cover. Tell your landlord or property manager in writing first; your lease says who arranges repairs.
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.