Winnebago County property record for 837 W 9th Ave, Oshkosh, WI 54902
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 2 ba · 2,964 sqft · built 1993 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $4,089 (2024) |
| Deeds & Mortgages | Apr 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 13-02550000 |
| Primary APN | 13-02550000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 2,964 sqft Living Area |
| Gross Area | 1,828 sqft |
| Basement Area | 988 sqft |
| Finished Basement | 988 sqft |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1993 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 7,500 sqft (0.172 acres) |
| Lot Dimensions | 150 ft deep x 50 ft wide |
| Garage Type | Attached |
| Garage Area | 840 sqft |
| Heating System | HVAC |
|---|
| Account Number | 913-02550000 |
|---|---|
| Street Address | 837 W 9TH AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54902-6373 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R2 |
| Legal Description | LOT 23 J H OSBORNS ADDN |
| Legal Subdivision | J H OSBORNS ADDN |
| Legal Lot Number | 23 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 1300 |
837 W 9th Ave, a duplex, 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 | 837 W 9TH AVE, OSHKOSH, WI 54902-6373 |
| 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 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Property Address | 837 W 9TH AVE, OSHKOSH, WI 54902-6373 |
| Transaction Type | Mortgage |
| Record Updated | Jun 26, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0001847754 |
|---|---|
| Date | Apr 6, 2021 |
| Instrument | 1847754 |
| Name | WATERSTONE MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | PEWAUKEE, WI 53072 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 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 | $228,500 Land $19,500 Building $209,000 | ||
| 2024 | $4,089.00 (+28.42%) | ||
| 2023 | $3,184.00 (-0.13%) Homeowner's exemption | $117,600 (-) Land $12,600 Building $105,000 | $169,934 Land $18,207 Building $151,727 |
| 2022 | $3,188.00 Homeowner's exemption | $117,600 Land $12,600 Building $105,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 837 W 9th Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2010.
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 |
| Nearby Flood Claims | 2 (2010) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jul 2010 · river or lake 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.
The area around 837 W 9th Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 686 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Bertram Communications Fixed Wireless | 100 / 20 |
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