Winnebago County property record for 620 Viola Ave, Oshkosh, WI 54901
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,446 sqft · built 1967 |
| Lot Size | 0.236 acres (10,276 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $4,241 (2024) |
| Deeds & Mortgages | Dec 2023 Line of Credit May 2018 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-20630000 |
| Primary APN | 12-20630000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,446 sqft Living Area |
| Gross Area | 437 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 10,276 sqft (0.236 acres) |
| Garage Type | Attached |
| Garage Area | 437 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Account Number | 912-20630000 |
|---|---|
| Street Address | 620 VIOLA AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54901-2253 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LOT 15 BLK 18 1ST ADDN TO EICHSTADT SUBD |
| Legal Subdivision | BLK 18 1ST ADDN TO EICHSTADT SUBD |
| Legal Block | 18 |
| Legal Lot Number | 15 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 900 |
Source: Winnebago County records · APN 12-20630000
Assessment roll updated May 27, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 620 VIOLA AVE, OSHKOSH, WI 54901-2253 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Dec 12, 2023 | Deed of Trust, Mortgage · Line of Credit OLD NATIONAL BANK |
| May 17, 2018 | Deed of Trust, Mortgage · Conventional Mortgage OLD NATIONAL BANK |
| May 31, 2023 | Transfer on Death Deed, Transfer |
| Jun 16, 2021 | Affidavit of Death of Joint Tenant, Transfer · Conventional Mortgage OLD NATIONAL BANK |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | May 25, 2023 |
| Transfer Doc | 0001904260 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Property Address | 620 VIOLA AVE, OSHKOSH, WI 54901-2253 |
| Transaction Type | Mortgage |
| Record Updated | Jan 04, 2024 |
| Name | Verified Name |
|---|---|
| Address | 620 VIOLA AVE, OSHKOSH, WI 54901-2253 |
| Document Number | 0001915009 |
|---|---|
| Date | Dec 12, 2023 |
| Instrument | 1915009 |
| Name | OLD NATIONAL BANK |
|---|---|
| Type | Bank |
| Address | OSHKOSH, WI 54902 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 23, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Property Address | 620 VIOLA AVE, OSHKOSH, WI 54901-2253 |
| Transaction Type | Mortgage |
| Record Updated | Jun 26, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0001766218 |
|---|---|
| Date | May 17, 2018 |
| Instrument | 1766218 |
| Name | OLD NATIONAL BANK |
|---|---|
| Type | Bank |
| Address | EVANSVILLE, IN 47708 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2048 |
| Document Type | Transfer on Death Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | May 31, 2023 |
| Property Address | 620 VIOLA AVE, OSHKOSH, WI 54901-2253 |
| Document Number | 0001904260 |
| Instrument Date | May 25, 2023 |
| Instrument | 1904260 |
| Transaction Type | Transfer |
| Record Updated | Aug 04, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Jun 16, 2021 |
| Property Address | 620 VIOLA AVE, OSHKOSH, WI 54901-2253 |
| Document Number | 0001854602 |
| Instrument Date | May 31, 2021 |
| Instrument | 1854602 |
| Transaction Type | Transfer |
| Record Updated | Aug 04, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 620 VIOLA AVE, OSHKOSH, WI 54901-2253 |
| Document Number | 0001854603 |
|---|---|
| Date | Jun 16, 2021 |
| Instrument | 1854603 |
| Name | OLD NATIONAL BANK |
|---|---|
| Type | Bank |
| Address | EVANSVILLE, IN 47708 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2051 |
Source: Winnebago County records · Assessment roll updated May 27, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Winnebago County |
| Municipality | Oshkosh City |
| Unified School District | Oshkosh Area School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $238,400 (+71.63%) Land $32,100 Building $206,300 | ||
| 2024 | $4,241.00 (+12.11%) | ||
| 2023 | $3,783.00 (+0.08%) Homeowner's exemption | $138,900 (-) Land $22,900 Building $116,000 | $200,714 Land $33,091 Building $167,623 |
| 2022 | $3,780.00 Homeowner's exemption | $138,900 Land $22,900 Building $116,000 |
Source: FEMA National Flood Hazard Layer as of March 26, 2019 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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 |
Based on FCC filings for 626 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | OSHKOSH WATERWORKS serves 63,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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