Water damage repair and restoration in Oshkosh, WI
Most water damage calls in Oshkosh, WI come down to plumbing failures, roof leaks and storm water. 41% of Oshkosh's 29,156 homes were built before 1960, and 28% before 1940, so galvanized pipe, cast-iron drains, plaster walls and older foundations are common. Restoration companies in our network serve 5 Oshkosh ZIP codes in Winnebago County.

Quick answer
For water, fire or smoke damage in Oshkosh, WI, shut off the water or power if it's safe, then call (833) 462-1975. We connect you with an independent restoration company that serves your ZIP; 5 Oshkosh ZIP codes are covered. With many older homes here, hidden pipe and drain leaks are common, so ask for a moisture check behind walls.
Census data
Oshkosh homes by the numbers
- Homes
- 29,156
- Median year built
- 1972
- Built before 1960
- 41%
- Owner-occupied
- 54%
Among the 22 Wisconsin cities with pages on this site, Oshkosh ranks #8 by number of homes and has older housing than 48% of them (median build year 1972). Its share of pre-1960 homes (41%) is well above the 34% average for those cities, which points to more pipe, drain and foundation leaks.
Source: U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates (tables B25034, B25035, B25003); 67,242 residents per the 2024 population estimate.
Local risks
What causes water damage in Oshkosh
Older foundations and pipes
In a city where 41% of homes were built before 1960, the usual suspects are corroded supply lines, cracked cast-iron drains and foundations that let water in after heavy rain.
Ice dams
Snow and cold create ice dams on older roofs.
Frozen pipes
Extended subzero stretches freeze pipes in exterior walls.
Seasonal risks, licensing and FEMA history across the state are on the Wisconsin page.
Common calls
Most requested in Oshkosh
Disaster history in Winnebago County
Since 2000, FEMA has included Winnebago County in 4 major disaster declarations: 2 floods, 2 severe storms. The most recent was Severe Storms, Tornadoes, and Flooding in 2026 (DR-4923).
Source: OpenFEMA disaster declarations, retrieved October 5, 2026.
FAQ
Oshkosh water damage questions
Who do I call for water damage in Oshkosh?
For water, fire or smoke damage in Oshkosh, WI, shut off the water or power if it's safe, then call (833) 462-1975. We connect you with an independent restoration company that serves your ZIP; 5 Oshkosh ZIP codes are covered. With many older homes here, hidden pipe and drain leaks are common, so ask for a moisture check behind walls.
How old are homes in Oshkosh?
The median home in Oshkosh was built in 1972. About 41% of its 29,156 homes were built before 1960 and 16% in 2000 or later, according to the Census Bureau's American Community Survey. Older homes are more likely to have corroded pipes and drains; newer homes see more appliance and supply-line leaks.
Has Winnebago County had federally declared disasters?
Yes. Since 2000, FEMA has included Winnebago County in 4 major disaster declarations for storms, floods, fires and similar events, most recently Severe Storms, Tornadoes, and Flooding (2026). Federal assistance is only available for declared events; most water damage is handled through homeowners or flood insurance.
Do you cover all of Oshkosh?
Restoration companies in our network cover 5 Oshkosh ZIP codes. Coverage is set ZIP by ZIP, so enter yours in the ZIP checker or call to confirm a company serves your address.
ZIP codes covered in Oshkosh
54901, 54902, 54903, 54904, 54906
Water damage help near Oshkosh
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Also covered in Winnebago County: Winnebago · Neenah · Menasha · Omro · Winneconne · Butte Des Morts · Larsen · Pickett · Waukau
Guides for Oshkosh homeowners
Water damage in Oshkosh?
Stop the source if you can, then call. We'll connect you with a local restoration company that serves your ZIP.
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