Winnebago County property record for 823 Prospect Ave, Oshkosh, WI 54901
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,525 sqft · built 1954 |
| Lot Size | 0.355 acres (15,444 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $2,801 (2023) |
| Deeds & Mortgages | Apr 2023 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 05-03900000 |
| Primary APN | 05-03900000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,525 sqft Living Area |
| Gross Area | 3,050 sqft |
| 1st Floor Area | 1,525 sqft |
| Basement Area | 1,525 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Ranch |
| Exterior Material | Brick |
| Roof Material | Other |
| Lot Area | 15,444 sqft (0.355 acres) |
| Lot Dimensions | 134 ft deep x 53 ft wide |
| Cooling System | None |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | 905-03900000 |
|---|---|
| Street Address | 329 9TH ST |
| City | NEENAH |
| State | WI |
| Zip | 54956-2810 |
| 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 LOT 2 EXC E 100 F T BLK 8 |
| Legal Subdivision | ASSESSORS PLAT OF PT OF 5TH WAR D |
| Legal Block | 8 |
| Legal Lot Number | 2 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 329 9TH ST, NEENAH, WI 54956-2810 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Property Address | 823 PROSPECT AVE, OSHKOSH, WI 54901-3615 |
| Transaction Type | Mortgage |
| Record Updated | Jun 26, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0001901289 |
|---|---|
| Date | Apr 3, 2023 |
| Instrument | 1901289 |
| Name | NEWBRIDGE BANK |
|---|---|
| Type | Bank |
| Address | MARION, WI 54950 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $215,000 (+124.66%) Land $41,500 Building $173,500 | ||
| 2023 | $2,801.00 (+1.08%) | $95,700 (-) Land $19,100 Building $76,600 | $138,289 Land $27,600 Building $110,689 |
| 2022 | $2,771.00 | $95,700 Land $19,100 Building $76,600 |
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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