Winnebago County property record for 129 Guenther St, Oshkosh, WI 54902
| Property Type | Commercial |
|---|---|
| Details | 3,472 sqft · built 1963 |
| Lot Size | 0.411 acres (17,900 sqft) |
| Owner | Company Name on File |
| Tax Bill | $4,517 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 06-07460000 |
| Primary APN | 06-07460000 |
|---|---|
| Alternative APN |
|
| Units | 8 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 3,472 sqft Gross Area |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | Quadruplex |
| Lot Area | 17,900 sqft (0.411 acres) |
| Garage Type | Detached |
| Garage Area | 504 sqft |
| Heating System | Hot Water |
|---|
| Account Number | 906-07460000 |
|---|---|
| Street Address | 129 GUENTHER ST |
| City | OSHKOSH |
| State | WI |
| Zip | 54902-5775 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Local Zoning Code | SR-9 |
| Legal Description | LOTS 20 & 21 BLK 1 G C BENTS SUBD |
| Legal Subdivision | C BENTS SUB |
| Legal Block | 1 |
| Legal Lot Number | 20,21 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 1100 |
129 Guenther St, a commercial property, is owned by a company.
Source: Winnebago County records, as of May 27, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 4475 STONEWOOD DR, OSHKOSH, WI 54902-7484 |
| 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 |
|---|---|
| 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 | $235,200 Land $32,600 Building $202,600 | ||
| 2024 | $4,517.00 (-11.22%) | ||
| 2023 | $5,088.00 (+1.09%) | $169,000 (-) Land $31,300 Building $137,700 | $244,209 Land $45,229 Building $198,980 |
| 2022 | $5,033.00 | $169,000 Land $31,300 Building $137,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 129 Guenther St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective March 26, 2019 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 129 Guenther St 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 415 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Bertram Communications Fixed Wireless | 100 / 20 |
May also be available: T-Mobile, Verizon.
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