Winnebago County property record for 620 W 11th Ave, Oshkosh, WI 54902
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 2 ba · 2,144 sqft · built 1890 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $75,000 (Jun 2022) |
| Tax Bill | $2,612 (2024) |
| Deeds & Mortgages | Jun 2022 Sale & Mortgage Dec 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 13-03570000 |
| Primary APN | 13-03570000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,144 sqft Living Area |
| Year Built | Built 1890 |
|---|---|
| Effective Year Built | Effective 1890 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 7,500 sqft (0.172 acres) |
| Lot Dimensions | 150 ft deep x 50 ft wide |
| Shed | 1 Shed |
| Heating System | HVAC |
|---|---|
| Heating Fuel | Gas |
| Account Number | 913-03570000 |
|---|---|
| Street Address | 620 W 11TH AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54902-6310 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R2 |
| Legal Description | LOT 5 BLK 2 REPLAT OF S1/2 OF BLK 2 STREICHS ADDN |
| Legal Subdivision | BLK 2 REPLAT OF S1/2 OF BLK 2 STREICHS A |
| Legal Block | 2 |
| Legal Lot Number | 5 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 1300 |
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 | 620 W 11TH AVE, OSHKOSH, WI 54902-6310 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jun 29, 2022 | Warranty Deed, Transfer · Stand-Alone First Mortgage RALPH ZEMPEL ETAL |
| Dec 30, 2021 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 29, 2022 · Amount on Record |
| Deed Sale | Jun 29, 2022 · Amount on Record |
| Prior Sale | Aug 10, 2015 · Amount on Record |
| Deed Document Number | 20221885596 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Jun 29, 2022 |
| Property Address | 620 W 11TH AVE, OSHKOSH, WI 54902-6310 |
| Document Number | 0001885596 |
| Instrument Date | Jun 28, 2022 |
| Instrument | 1885596 |
| Transaction Type | Transfer |
| Record Updated | Aug 4, 2023 |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $225.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 620 W 11TH AVE, OSHKOSH, WI 54902-6310 |
| Document Number | 0001885597 |
|---|---|
| Date | Jun 29, 2022 |
| Instrument | 1885597 |
| Name | RALPH ZEMPEL ETAL |
|---|---|
| Type | Private Party |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Dec 30, 2021 |
| Property Address | 620 W 11TH AVE, OSHKOSH, WI 54902-6310 |
| Document Number | 0001872404 |
| Instrument Date | Dec 30, 2021 |
| Instrument | 1872404 |
| Transaction Type | Transfer |
| Record Updated | Aug 4, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 575 GLENDALE AVE, OSHKOSH, WI 54901-9604 |
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 | $138,200 (+127.68%) Land $24,400 Building $113,800 | ||
| 2024 | $2,612.00 (+45.52%) | ||
| 2023 | $1,795.00 (+1.07%) Homeowner's exemption | $60,700 (-) Land $15,700 Building $45,000 | $87,713 Land $22,687 Building $65,026 |
| 2022 | $1,776.00 Homeowner's exemption | $60,700 Land $15,700 Building $45,000 |
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 Policies | 1 in force |
| Nearby Flood Claims | 2 (2010) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jul 2010 · river or lake 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 | Low lower than 99.1% of the US · lower than 97.9% of Wisconsin |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 744 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Bertram Communications Fixed Wireless | 100 / 20 |
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