Winnebago County property record for 1840 Walnut St, Oshkosh, WI 54901
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 3,738 sqft · built 1993 |
| Lot Size | 0.905 acres (39,419 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $10,869 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-21090000 |
| Primary APN | 12-21090000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,738 sqft Living Area |
| Gross Area | 852 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1993 |
| Architectural Style | Colonial |
| Exterior Material | Other |
| Lot Area | 39,419 sqft (0.905 acres) |
| Garage Type | Attached |
| Garage Area | 852 sqft |
| Shed | 1 Shed |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Gas |
| Account Number | 912-21090000 |
|---|---|
| Street Address | 1840 WALNUT ST |
| City | OSHKOSH |
| State | WI |
| Zip | 54901-2261 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | N 55 FT OF LOT 3 & 12 BLK 6 EICHSTADT SUBD & N 55 FT OF W1/2 VAC CEDAR ST ADJ TO LOT 12 BLK 6 EICHSTADT SUBD & LOT 6BLK 21 3RD ADDN TO EICHSTADT SUBD |
| Legal Subdivision | EICHSTADT SUB |
| Legal Block | 6 |
| Legal Lot Number | 3,12 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 2 |
| Census Block | 2024 |
| Census Tract | 900 |
1840 Walnut St is owned and occupied by an individual.
Source: Winnebago County records, as of May 27, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1840 WALNUT ST, OSHKOSH, WI 54901-2261 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | $576,500 Land $62,500 Building $514,000 | ||
| 2024 | $10,869.00 (-2.13%) | ||
| 2023 | $11,106.00 (+1.14%) Homeowner's exemption | $374,700 (-) Land $49,900 Building $324,800 | $541,450 Land $72,107 Building $469,343 |
| 2022 | $10,981.00 Homeowner's exemption | $374,700 Land $49,900 Building $324,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1840 Walnut St 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.
Wildfire risk around 1840 Walnut St 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 98% of the US · lower than 94% 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 | 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 626 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 in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Bertram Communications Fixed Wireless | 100 / 20 |
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