Winnebago County property record for 523 W 4th Ave, Oshkosh, WI 54902
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,076 sqft · built 1997 |
| Lot Size | 0.144 acres (6,250 sqft) |
| Owner | Individual Name on File |
| Last Sale | $179,900 (Aug 2022) |
| Tax Bill | $3,325 (2024) |
| Deeds & Mortgages | Aug 2022 Sale & Mortgage Nov 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 06-00190000 |
| Primary APN | 06-00190000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,076 sqft Living Area |
| Gross Area | 200 sqft |
| 1st Floor Area | 1,152 sqft |
| Basement Area | 200 sqft |
| Finished Basement | 200 sqft |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Architectural Style | Bi-Level |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 6,250 sqft (0.144 acres) |
| Lot Dimensions | 125 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 780 sqft |
| Heating System | HVAC |
|---|---|
| Heating Fuel | Gas |
| Account Number | 906-00190000 |
|---|---|
| Street Address | 523 W 4TH AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54902-5830 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2 |
| Legal Description | LOT 8 BLK 95 PLAT OF ORIGINAL 3RD WARD |
| Legal Subdivision | OSHKOSH 3RD WARD |
| Legal Block | 95 |
| Legal Lot Number | 8 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 1200 |
523 W 4th Ave is owned and occupied by an individual who bought it in August 2022.
Source: Winnebago County records, as of May 27, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 523 W 4TH AVE, OSHKOSH, WI 54902-5830 |
| 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.
| Date | Document |
|---|---|
| Aug 4, 2022 | Warranty Deed, Transfer · Conventional Mortgage ASSOCIATED BANK NA |
| Nov 19, 2021 | Deed, Transfer · Conventional Mortgage FORTIFI BANK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 4, 2022 · Amount on File |
| Deed Sale | Aug 4, 2022 · Amount on File |
| Prior Sale | Nov 19, 2021 · Amount on File |
| Deed Document Number | 20221888206 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Aug 4, 2022 |
| Property Address | 523 W 4TH AVE, OSHKOSH, WI 54902-5830 |
| Document Number | 0001888206 |
| Instrument Date | Aug 3, 2022 |
| Instrument | 1888206 |
| Transaction Type | Transfer |
| Record Updated | Aug 4, 2023 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $539.70 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 523 W 4TH AVE, OSHKOSH, WI 54902-5830 |
| Investor | Possibly a Property Investor |
| Document Number | 0001888207 |
|---|---|
| Date | Aug 4, 2022 |
| Instrument | 1888207 |
| Name | ASSOCIATED BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Aug 1, 2052 |
| Document Type | Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Nov 19, 2021 |
| Property Address | 523 W 4TH AVE, OSHKOSH, WI 54902-5830 |
| Document Number | 0001869219 |
| Instrument Date | Nov 19, 2021 |
| Instrument | 1869219 |
| Transaction Type | Transfer |
| Record Updated | Aug 4, 2023 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $330.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 453 HICKORY ST, OMRO, WI 54963-1133 |
| Document Number | 0001869220 |
|---|---|
| Date | Nov 19, 2021 |
| Instrument | 1869220 |
| Name | FORTIFI BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 62 Months |
| Due | Jan 1, 2027 |
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 | $190,000 Land $20,900 Building $169,100 | ||
| 2024 | $3,325.00 (+5.59%) | ||
| 2023 | $3,149.00 (+24.22%) Homeowner's exemption | $117,600 (+21.74%) Land $13,000 Building $104,600 | $169,934 Land $18,785 Building $151,149 |
| 2022 | $2,535.00 Homeowner's exemption | $96,600 Land $13,000 Building $83,600 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 523 W 4th Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 9 (2004–2008) |
| Claims Outside the SFHA | 4 of 9 |
| Most Recent Claim | Jun 2008 · Severe Storms, Tornadoes, And Flooding |
| Claims by Event |
|
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 523 W 4th 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 177 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures