Winnebago County property record for 508 Union Ave, Oshkosh, WI 54901
| Property Type | Duplex |
|---|---|
| Details | 7 bd · 2 ba · 2,837 sqft · built 1890 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | Company Name on Record |
| Last Sale | $104,200 (Nov 2020) |
| Tax Bill | $4,668 (2024) |
| Deeds & Mortgages | Aug 2021 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 07-02180000 |
| Primary APN | 07-02180000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,837 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1890 |
|---|---|
| Effective Year Built | Effective 1890 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 7,200 sqft (0.165 acres) |
| Lot Dimensions | 120 ft deep x 60 ft wide |
| Garage Type | Detached |
| Garage Area | 240 sqft |
| Heating System | HVAC |
|---|---|
| Heating Fuel | Gas |
| Account Number | 907-02180000 |
|---|---|
| Street Address | 508 UNION AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54901-4310 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R2 |
| Legal Description | LOT 36 G F WRIGHTS SUBD OF S PART OF BLK 46 |
| Legal Subdivision | G F WRIGHTS SUBD |
| Legal Block | 46 |
| Legal Lot Number | 36 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 501 |
Source: Winnebago County records, as of May 27, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 2811, OSHKOSH, WI 54903-2811 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 5, 2020 · Amount on Record |
| Deed Sale | Nov 5, 2020 · Amount on Record |
| Prior Sale | Nov 20, 2008 · Amount on Record |
| Deed Document Number | 20201833763 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Property Address | 508 UNION AVE, OSHKOSH, WI 54901-4310 |
| Transaction Type | Mortgage |
| Record Updated | Jun 26, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0001861337 |
|---|---|
| Date | Aug 26, 2021 |
| Instrument | 1861337 |
| Name | WEST POINTE BANK |
|---|---|
| Type | Bank |
| Address | OSHKOSH, WI 54903 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 61 Months |
| Due | Sep 10, 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 | $246,900 (+67.96%) Land $28,900 Building $218,000 | ||
| 2024 | $4,668.00 (+6.99%) | ||
| 2023 | $4,363.00 (+1.44%) | $147,000 (+0.34%) Land $19,300 Building $127,700 | $212,418 Land $27,889 Building $184,529 |
| 2022 | $4,301.00 | $146,500 Land $19,300 Building $127,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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 294 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Bertram Communications Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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