Winnebago County property record for 340 Olson Ave, Oshkosh, WI 54901
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,820 sqft · built 1967 |
| Lot Size | 0.517 acres (22,512 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $158,000 (Sep 2019) |
| Tax Bill | $5,586 (2024) |
| Deeds & Mortgages | Sep 2022 Mortgage Aug 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-50040000 |
| Primary APN | 12-50040000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,820 sqft Living Area |
| Gross Area | 528 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 22,512 sqft (0.517 acres) |
| Lot Dimensions | 168 ft deep x 134 ft wide |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Gas |
| Account Number | 912-50040000 |
|---|---|
| Street Address | 340 OLSON AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54901-1106 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | COM ON N LI OLSON AVE 390 FT E OF SE COR LOT 6 BLK 1 OLSONACRES E 134.5 FT N 168 FT W 134.5 FT S 168 FT TO BEG |
| Legal Block | 1 |
| Legal Lot Number | 6 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 1700 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 340 OLSON AVE, OSHKOSH, WI 54901-1106 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Survivorship Marital Property |
| Date | Document |
|---|---|
| Sep 19, 2022 | Deed of Trust, Mortgage · Conventional Mortgage NATIONSTAR MORTGAGE LLC |
| Aug 16, 2021 | Deed of Trust, Mortgage · Conventional Mortgage NATIONSTAR MORTGAGE LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 4, 2019 · Amount on Record |
| Deed Sale | Sep 4, 2019 · Amount on Record |
| Deed Document Number | 20191797896 |
| Last Transfer Date | Oct 31, 2020 |
| Transfer Doc | 0001833866 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Property Address | 340 OLSON AVE, OSHKOSH, WI 54901-1106 |
| Transaction Type | Mortgage |
| Record Updated | May 6, 2024 |
| Name | Verified Name |
|---|
| Document Number | 0001891101 |
|---|---|
| Date | Sep 19, 2022 |
| Instrument | 1891101 |
| Name | NATIONSTAR MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | COPPELL, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2052 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Property Address | 340 OLSON AVE, OSHKOSH, WI 54901-1106 |
| Transaction Type | Mortgage |
| Record Updated | May 6, 2024 |
| Name | Verified Name |
|---|
| Document Number | 0001860193 |
|---|---|
| Date | Aug 16, 2021 |
| Instrument | 1860193 |
| Name | NATIONSTAR MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | COPPELL, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2051 |
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 | $266,100 (+72.23%) Land $42,400 Building $223,700 | ||
| 2024 | $5,586.00 (+9.68%) | ||
| 2023 | $5,093.00 (+4.77%) Homeowner's exemption | $154,500 (-) Land $30,300 Building $124,200 | $223,256 Land $43,784 Building $179,472 |
| 2022 | $4,861.00 Homeowner's exemption | $154,500 Land $30,300 Building $124,200 |
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 · 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 | 1 in force |
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.
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 | Under 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: 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 193 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Bertram Communications Fixed Wireless | 100 / 20 |
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