Winnebago County property record for 3840 Knapp St, Oshkosh, WI 54902 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 2.21 acres (96,703 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,923 (2024) |
| Deeds & Mortgages | Dec 2025 Second Mortgage Apr 2023 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 012-0018-04 |
| Primary APN | 012-0018-04 |
|---|---|
| Alternative APN |
|
| Lot Area | 96,703 sqft |
|---|
| Heating System | HVAC |
|---|
| Account Number | 32390 |
|---|---|
| Street Address | 3840 KNAPP ST |
| City | OSHKOSH |
| State | WI |
| Zip | 54902-8885 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PT SW SW COM 300 FT N OF SW COR N 148.4 FT E 450 FT S 298.4 FT W 200 FT N 150 FT W 250 FT TO POB 2.22 A. |
| Legal Range | 16E |
| Legal Township | 17N |
| Legal Section | 02 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | NEKIMI |
| Census Block Group | 2 |
| Census Block | 2029 |
| Census Tract | 1900 |
Source: Winnebago County records · APN 012-0018-04
Assessment roll updated May 27, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3840 KNAPP ST, OSHKOSH, WI 54902-8885 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Dec 23, 2025 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage PROSPERA CU |
| Apr 19, 2023 | Deed of Trust, Mortgage EVERGREEN CU |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Property Address | 3840 KNAPP ST, OSHKOSH, WI 54902-8885 |
| Transaction Type | Mortgage |
| Record Updated | Jan 15, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0001958789 |
|---|---|
| Date | Dec 23, 2025 |
| Instrument | 1958789 |
| Name | PROSPERA CU |
|---|---|
| Type | Credit Union |
| Address | APPLETON, WI 54913 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Jan 01, 2041 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Property Address | 3840 KNAPP ST, OSHKOSH, WI 54902-8885 |
| Transaction Type | Mortgage |
| Record Updated | Jun 26, 2023 |
| Name | Verified Name |
|---|---|
| Address | 3840 KNAPP ST, OSHKOSH, WI 54902-8885 |
| Document Number | 0001902121 |
|---|---|
| Date | Apr 19, 2023 |
| Instrument | 1902121 |
| Name | EVERGREEN CU |
|---|---|
| Type | Credit Union |
| Address | NEENAH, WI 54956 |
| Amount | Amount Recorded |
|---|---|
| Term | 180 Months |
| Due | Apr 10, 2038 |
Source: Winnebago County records · Assessment roll updated May 27, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Winnebago County |
| County Subdivision | Nekimi Town |
| Unified School District | Oshkosh Area School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $246,400 (-) Land $58,800 Building $187,600 | ||
| 2024 | $2,923.00 (+0.69%) | ||
| 2023 | $2,903.00 (-13.11%) Homeowner's exemption | $246,400 (+37.5%) Land $58,800 Building $187,600 | $236,792 (-3.27%) Land $56,507 Building $180,285 |
| 2022 | $3,341.00 Homeowner's exemption | $179,200 Land $30,800 Building $148,400 | $244,807 Land $42,076 Building $202,731 |
Source: FEMA National Flood Hazard Layer, Winnebago County (55139C), updated March 26, 2019 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 551390019002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 4 individual NFIP policies nearby |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 4 in force 4 of 4 on primary residences |
| Nearby Flood Claims | 2 (1986–2008) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Jun 2008, Severe Storms, Tornadoes, And Flooding |
| Wildfire Risk | Low above 5% of the US · above 12% of Wisconsin |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
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.
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