Winnebago County property record for 839 Prospect Ave, Oshkosh, WI 54901
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,128 sqft · built 1936 |
| Lot Size | 0.252 acres (10,965 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $3,540 (2023) |
| Deeds & Mortgages | Mar 2021 Mortgage Feb 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 05-03870000 |
| Primary APN | 05-03870000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,128 sqft Living Area |
| Gross Area | 3,012 sqft |
| 1st Floor Area | 1,064 sqft |
| Basement Area | 884 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1936 |
|---|---|
| Effective Year Built | Effective 1936 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Roof Material | Other |
| Lot Area | 10,965 sqft (0.252 acres) |
| Lot Dimensions | 134 ft deep x 52 ft wide |
| Garage Type | Detached |
| Garage Area | 768 sqft |
| Cooling System | None |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | 905-03870000 |
|---|---|
| Street Address | 335 9TH ST |
| City | MENASHA |
| State | WI |
| Zip | 54952-2211 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | ASSESSORS PLAT OF PT OF 5TH WAR D E OF 5TH ST S 61.6 FT OF W 17 5 FT OF LOT 1 BLK 8 |
| Legal Subdivision | ASSESSORS PLAT OF PT OF 5TH WAR D E OF 5 |
| Legal Block | 8 |
| Legal Lot Number | 1 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 700 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 342 HACKETT RD, HAMPTON, NJ 08827-2529 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Mar 19, 2021 | Deed of Trust, Mortgage · Conventional Mortgage TOWNE MORTGAGE CO |
| Feb 18, 2021 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Property Address | 839 PROSPECT AVE, OSHKOSH, WI 54901-3615 |
| Transaction Type | Mortgage |
| Record Updated | Jun 26, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0001845990 |
|---|---|
| Date | Mar 19, 2021 |
| Instrument | 1845990 |
| Name | TOWNE MORTGAGE CO |
|---|---|
| Type | Mortgage Company |
| Address | TROY, MI 48083 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Feb 18, 2021 |
| Property Address | 839 PROSPECT AVE, OSHKOSH, WI 54901-3615 |
| Document Number | 0001843176 |
| Instrument Date | Feb 12, 2021 |
| Instrument | 1843176 |
| Transaction Type | Transfer |
| Record Updated | Aug 4, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
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 | $230,000 (+90.87%) Land $35,500 Building $194,500 | ||
| 2023 | $3,540.00 (+1.11%) | $120,500 (-) Land $18,900 Building $101,600 | $174,125 Land $27,311 Building $146,814 |
| 2022 | $3,501.00 | $120,500 Land $18,900 Building $101,600 |
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
| 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.
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 478 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Bertram Communications Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
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