Winnebago County property record for 6405 Decorah Ave, Oshkosh, WI 54902
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.45 acres (19,614 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,896 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 004-0943 |
| Primary APN | 004-0943 |
|---|---|
| Alternative APN |
|
| Lot Area | 19,614 sqft (0.45 acres) |
|---|
| Heating System | HVAC |
|---|
| Account Number | 1796 |
|---|---|
| Street Address | 6405 DECORAH AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54902-7636 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2 |
| Legal Description | DECORAH LOT 6 BLK D |
| Legal Range | 17E |
| Legal Township | 17N |
| Legal Section | 28 |
| Legal Subdivision | DECORAH |
| Legal Block | D |
| Legal Lot Number | 6 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | BLACK WOLF |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 1900 |
6405 Decorah Ave 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 | 6405 DECORAH AVE, OSHKOSH, WI 54902-7636 |
| 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 |
| County Subdivision | Black Wolf Town |
| Unified School District | Oshkosh Area School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $360,200 Land $174,000 Building $186,200 | ||
| 2024 | $3,896.00 (-10.91%) | ||
| 2023 | $4,373.00 (+1.86%) Homeowner's exemption | $244,000 (-) Land $128,700 Building $115,300 | $354,547 (+11.86%) Land $187,009 Building $167,538 |
| 2022 | $4,293.00 Homeowner's exemption | $244,000 Land $128,700 Building $115,300 | $316,963 Land $167,185 Building $149,778 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 6405 Decorah Ave in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 2 (1999–2004) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Jun 2004 · Severe Storms 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 6405 Decorah Ave is low, with 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 96% of the US · lower than 90% of Wisconsin |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 61 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Bertram Communications Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
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