Winnebago County property record for 100 E Gruenwald Ave, Oshkosh, WI 54901
| Property Type | Commercial |
|---|---|
| Details | 2,865 sqft · built 1920 |
| Lot Size | 0.158 acres (6,880 sqft) |
| Owner | Company Name on File |
| Tax Bill | $2,048 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-15370000 |
| Primary APN | 15-15370000 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,865 sqft Total Area |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1966 |
| Lot Area | 6,880 sqft (0.158 acres) |
| Garage Type | Detached |
| Garage Area | 360 sqft |
| Account Number | 915-15370000 |
|---|---|
| Street Address | 100 E GRUENWALD AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54901 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Local Zoning Code | C-1 |
| Legal Description | W1/2 OF LOTS 10 & 11 BLK 8 PLAT OF THE INTERURBAN LAND CO |
| Legal Subdivision | INTER URBAN LAND CO |
| Legal Block | 8 |
| Legal Lot Number | 10,11 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 400 |
100 E Gruenwald Ave, a commercial property, is owned by a company that acquired it in July 2016.
Source: Winnebago County records, as of May 27, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 515 N MAIN ST, A, OSHKOSH, WI 54901-4908 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jul 8, 2016 |
| Transfer Doc | 0001717574 |
| Record Updated | Sep 20, 2026 |
Source: Winnebago County assessment roll, as of May 27, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Winnebago County |
| Municipality | Oshkosh City |
| Unified School District | Oshkosh Area School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $112,100 Land $15,400 Building $96,700 | ||
| 2024 | $2,048.00 (-24.09%) | ||
| 2023 | $2,698.00 (+1.12%) | $93,400 (-) Land $14,400 Building $79,000 | $134,965 Land $20,808 Building $114,157 |
| 2022 | $2,668.00 | $93,400 Land $14,400 Building $79,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 100 E Gruenwald Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective March 26, 2019
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 100 E Gruenwald Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | OSHKOSH WATERWORKS serves 63,000 people · EPA ID WI4710457 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Apr 2025 |
| Lead | 6 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 375 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Bertram Communications Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: TDS Telecom, Verizon.
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