Winnebago County property record for 39 W 12th Ave, Oshkosh, WI 54902
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 2 ba · 2,847 sqft · built 1920 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Company Name on File |
| Last Sale | $54,000 (Jan 2010) |
| Tax Bill | $3,490 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 03-03540000 |
| Primary APN | 03-03540000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,847 sqft Living Area |
| Family Room | Family Room |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 7,500 sqft (0.172 acres) |
| Lot Dimensions | 150 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 360 sqft |
| Heating System | HVAC |
|---|---|
| Heating Fuel | Gas |
| Account Number | 903-03540000 |
|---|---|
| Street Address | 39 W 12TH AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54902-6013 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R2 |
| Legal Description | LOT 3 BLK 30 PLAT OF ORIGINAL 3RD WARD |
| Legal Subdivision | THE ORIGINAL THIRD WARD |
| Legal Block | 30 |
| Legal Lot Number | 3 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 1500 |
39 W 12th Ave, a duplex, is owned by a company that bought it in January 2010.
Source: Winnebago County records, as of May 27, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 1414, OSHKOSH, WI 54903-1404 |
| 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 Sale | Jan 12, 2010 · Amount on File |
| Deed Sale | Jan 12, 2010 · Amount on File |
| Prior Sale | Aug 14, 2009 · Amount on File |
| Deed Document Number | 20101529255 |
| 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 | $180,000 Land $21,300 Building $158,700 | ||
| 2024 | $3,490.00 (+18.79%) | ||
| 2023 | $2,938.00 (+8.01%) | $92,800 (-) Land $12,500 Building $80,300 | $134,098 Land $18,063 Building $116,035 |
| 2022 | $2,720.00 | $92,800 Land $12,500 Building $80,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 39 W 12th 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 39 W 12th 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 357 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Bertram Communications Fixed Wireless | 100 / 20 |
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