Winnebago County property record for 421 W 15th Ave, Oshkosh, WI 54902
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,920 sqft · built 1906 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $175,000 (May 2023) |
| Tax Bill | $3,317 (2025) |
| Deeds & Mortgages | Sep 2026 Mortgage Aug 2026 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-07560000 |
| Primary APN | 09-07560000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,920 sqft Living Area |
| Year Built | Built 1906 |
|---|---|
| Effective Year Built | Effective 1906 |
| Architectural Style | Traditional |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 7,500 sqft (0.172 acres) |
| Lot Dimensions | 150 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 572 sqft |
| Heating System | HVAC |
|---|---|
| Heating Fuel | Gas |
| Account Number | 909-07560000 |
|---|---|
| Street Address | 421 W 15TH AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54902-6543 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2 |
| Legal Description | LOT 8 BLK 89 PLAT OF ORIGINAL 3RD WARD |
| Legal Subdivision | ORIGINAL THIRD WARD |
| Legal Block | 89 |
| Legal Lot Number | 8 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 1400 |
Source: Winnebago County records, as of October 5, 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 | 421 W 15TH AVE, OSHKOSH, WI 54902-6543 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Sep 21, 2026 | Deed of Trust, Mortgage · Conventional Mortgage WEST POINTE BANK |
| Aug 12, 2026 | Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT |
| May 12, 2023 | Warranty Deed, Transfer · FHA Mortgage PROSPERITY HOME MORTGAGE LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 12, 2023 · Amount on Record |
| Deed Sale | May 12, 2023 · Amount on Record |
| Prior Sale | Dec 15, 2014 · Amount on Record |
| Deed Document Number | 20231903409 |
| Prior Transfer Date | Sep 22, 2014 |
| Prior Transfer Doc | 0001674428 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Sep 21, 2026 |
| Property Address | 421 W 15TH AVE, OSHKOSH, WI 54902-6543 |
| Document Number | 0001975641 |
| Instrument Date | Sep 14, 2026 |
| Instrument | 20261975641 |
| Transaction Type | Mortgage |
| Record Updated | Oct 5, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Name | Verified Name |
|---|---|
| Address | 421 W 15TH AVE, OSHKOSH, WI 54902-6543 |
| Document Number | 0001975641, |
|---|---|
| Date | Sep 21, 2026 |
| Instrument | 20261975641 |
| Name | WEST POINTE BANK |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Aug 12, 2026 |
| Property Address | 421 W 15TH AVE, OSHKOSH, WI 54902-6543 |
| Document Number | 0001973047 |
| Instrument Date | Aug 5, 2026 |
| Instrument | 20261973047 |
| Transaction Type | Transfer |
| Record Updated | Aug 26, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 421 W 15TH AVE, OSHKOSH, WI 54902-6543 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | May 12, 2023 |
| Property Address | 421 W 15TH AVE, OSHKOSH, WI 54902-6543 |
| Document Number | 0001903409 |
| Instrument Date | May 10, 2023 |
| Instrument | 1903409 |
| Transaction Type | Transfer |
| Record Updated | May 7, 2026 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $525.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 421 W 15TH AVE, OSHKOSH, WI 54902-6543 |
| Document Number | 0001903410 |
|---|---|
| Date | May 12, 2023 |
| Instrument | 1903410 |
| Name | PROSPERITY HOME MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2053 |
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 | $3,317.00 (-3.99%) | $184,600 (+81.69%) Land $25,200 Building $159,400 | |
| 2024 | $3,455.00 (+16.06%) | ||
| 2023 | $2,977.00 (+1.12%) Homeowner's exemption | $101,600 (-) Land $15,800 Building $85,800 | $146,814 Land $22,831 Building $123,983 |
| 2022 | $2,944.00 | $101,600 Land $15,800 Building $85,800 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (2008) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jun 2008 · Severe Storms, Tornadoes, And Flooding |
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.
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 680 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Bertram Communications Fixed Wireless | 100 / 20 |
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