Winnebago County property record for 635 Viola Ave, Oshkosh, WI 54901
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,216 sqft · built 1968 |
| Lot Size | 0.306 acres (13,320 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $175,000 (Nov 2020) |
| Tax Bill | $4,126 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-20330000 |
| Primary APN | 12-20330000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,216 sqft Living Area |
| Gross Area | 420 sqft |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1968 |
| Architectural Style | Ranch |
| Exterior Material | Other |
| Lot Area | 13,320 sqft (0.306 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Gas |
| Account Number | 912-20330000 |
|---|---|
| Street Address | 635 VIOLA AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54901-2252 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LOT 12 & W1/2 OF LOT 13 BLK 17 1ST ADDN TO EICHSTADT SUBD |
| Legal Subdivision | BLK 17 1ST ADDN TO EICHSTADT SUBD |
| Legal Block | 17 |
| Legal Lot Number | 12,13 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 2 |
| Census Block | 2023 |
| Census Tract | 900 |
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 | 635 VIOLA AVE, OSHKOSH, WI 54901-2252 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 2, 2020 · Amount on Record |
| Deed Sale | Nov 2, 2020 · Amount on Record |
| Deed Document Number | 20201833425 |
| Prior Transfer Date | Jun 9, 2020 |
| Prior Transfer Doc | 0001825278 |
| Record Updated | Oct 29, 2026 |
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 | $232,300 (-) Land $37,200 Building $195,100 | ||
| 2024 | $4,126.00 (+7.87%) | $232,300 (+65.57%) Land $37,200 Building $195,100 | |
| 2023 | $3,825.00 (+0.1%) Homeowner's exemption | $140,300 (-) Land $26,600 Building $113,700 | $202,737 Land $38,438 Building $164,299 |
| 2022 | $3,821.00 Homeowner's exemption | $140,300 Land $26,600 Building $113,700 |
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 626 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Bertram Communications Fixed Wireless | 100 / 20 |
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