Winnebago County property record for 840 John Ave, Oshkosh, WI 54901
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 2 ba · 2,254 sqft · built 1920 |
| Lot Size | 0.217 acres (9,437 sqft) |
| Owner | Company Name on File |
| Last Sale | $2,800,000 (Sep 2023) |
| Tax Bill | $4,659 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 05-05220000 |
| Primary APN | 05-05220000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,254 sqft Living Area |
| Gross Area | 1,474 sqft |
| 1st Floor Area | 536 sqft |
| 2nd Floor Area | 402 sqft |
| Basement Area | 536 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1928 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Roof Material | Asphalt |
| Lot Area | 9,437 sqft (0.217 acres) |
| Lot Dimensions | 237 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 480 sqft |
| Porch | Open Porch |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Connected |
| Water Source | Commercial |
| Account Number | 805-0522-0000 |
|---|---|
| Street Address | 840 JOHN AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54901-3610 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R1;SINGLE |
| Legal Description | LOT 90 CITY REPLAT #2 |
| Legal Subdivision | FAIR OAKS |
| Legal Lot Number | 90 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | NEENAH |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 3100 |
840 John Ave, a duplex, is owned by a company that bought it in September 2023.
Source: Winnebago County records, as of May 27, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1514 HAYDEN DR, OSHKOSH, WI 54904-9412 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
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 | Sep 12, 2023 · Amount on File |
| Deed Sale | Sep 12, 2023 · Amount on File |
| Prior Sale | Jun 4, 2018 · Amount on File |
| Deed Document Number | 20231910181 |
| Record Updated | Sep 20, 2026 |
Source: Winnebago County assessment roll, as of May 27, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Winnebago County |
| Municipality | Neenah City |
| Unified School District | Neenah School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $246,400 (-) Land $30,400 Building $216,000 | ||
| 2024 | $4,659.00 (+96.09%) | $246,400 (+51.63%) Land $30,400 Building $216,000 | |
| 2023 | $2,376.00 (-17.73%) Homeowner's exemption | $162,500 (+10.02%) Land $36,500 Building $126,000 | $162,314 Land $36,458 Building $125,856 |
| 2022 | $2,888.00 Homeowner's exemption | $147,700 Land $31,500 Building $116,200 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 840 John Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2018.
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 | 3 in force |
| Nearby Flood Claims | 2 (2018–2026) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Apr 2026 · Severe Storms, Tornadoes, And Flooding |
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.
Wildfire risk around 840 John Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 97.9% of Wisconsin |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | NEENAH WATERWORKS serves 27,506 people · EPA ID WI4710348 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2025 |
| Lead | 10 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 284 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
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