La Crosse County property record for 820 Park Ave, Onalaska, WI 54650
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.169 acres (7,405 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $310,000 (May 2025) |
| Tax Bill | $3,874 (2025) |
| Deeds & Mortgages | Jun 2017 Mortgage Jun 2021 Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-001310-000 |
| Primary APN | 018-001310-000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 7,405 sqft (0.169 acres) |
|---|---|
| Lot Dimensions | 150 ft deep x 50 ft wide |
| Account Number | 41422 |
|---|---|
| Old Parcel Number | 18 1310 0 |
| Street Address | 820 PARK AVE |
| City | ONALASKA |
| State | WI |
| Zip | 54650-2236 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUNSET BOULEVARD ADDITION N1/2 LOT 12 BLOCK 6 |
| Legal Range | 07 |
| Legal Township | 16 |
| Legal Section | 05 |
| Legal Quarter | SW |
| Quarter-Quarter Section | NE |
| Legal Subdivision | SUNSET BOULEVARD ADDITION |
| Legal Block | 6 |
| Legal Lot Number | 12 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 2 |
| Census Block | 2025 |
| Census Tract | 10403 |
Source: La Crosse County records, as of February 16, 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 |
|---|---|
| Co-owner | Co-owner on Record |
| Mailing Address | 820 PARK AVE, ONALASKA, WI 54650-2236 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jun 21, 2017 | Deed of Trust, Mortgage · Conventional Mortgage BMO HARRIS BANK NA |
| Jun 25, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ALTRA FCU |
| May 8, 2023 | Deed of Trust, Mortgage · Conventional Mortgage ALTRA FCU |
| Jun 6, 2019 | Warranty Deed, Transfer · Conventional Mortgage ALTRA FCU |
| May 18, 2018 | Warranty Deed, Transfer NEW CUSTOM TITLE, NEW CASTLE TITLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 15, 2025 · Amount on Record |
| Deed Sale | May 15, 2025 · Amount on Record |
| Prior Sale | Jun 6, 2019 · Amount on Record |
| Deed Document Number | 1833558 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | 820 PARK AVE, ONALASKA, WI 54650-2236 |
| Transaction Type | Mortgage |
| Record Updated | Jun 13, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0001695298 |
|---|---|
| Date | Jun 21, 2017 |
| Instrument | 1695298 |
| Name | BMO HARRIS BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 16, 2047 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | 820 PARK AVE, ONALASKA, WI 54650-2236 |
| Transaction Type | Mortgage |
| Record Updated | Jun 13, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0001775416 |
|---|---|
| Date | Jun 25, 2021 |
| Instrument | 1775416 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 1, 2051 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | 820 PARK AVE, ONALASKA, WI 54650-2236 |
| Transaction Type | Mortgage |
| Record Updated | Jun 13, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0001807374 |
|---|---|
| Date | May 8, 2023 |
| Instrument | 1807374 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | May 20, 2038 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Recording Date | Jun 6, 2019 |
| Property Address | 820 PARK AVE, ONALASKA, WI 54650-2236 |
| Document Number | 0001727023 |
| Instrument Date | Jun 5, 2019 |
| Instrument | 1727023 |
| Transaction Type | Transfer |
| Record Updated | Jun 13, 2023 |
| Title Company | NEW CASTLE TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $572.70 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Number | 0001727024 |
|---|---|
| Date | Jun 6, 2019 |
| Instrument | 1727024 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 1, 2049 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Recording Date | May 18, 2018 |
| Property Address | 820 PARK AVE, ONALASKA, WI 54650-2236 |
| Document Number | 0001710364 |
| Instrument Date | May 17, 2018 |
| Instrument | 1710364 |
| Transaction Type | Transfer |
| Record Updated | Sep 8, 2022 |
| Title Company | NEW CUSTOM TITLE, NEW CASTLE TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $324.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
Source: La Crosse County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | La Crosse County |
| Municipality | Onalaska City |
| Unified School District | Onalaska School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,874.00 (+1.76%) Homeowner's exemption | $300,300 (+33.17%) Land $51,800 Building $248,500 | $303,800 (+34.72%) |
| 2023 | $3,807.00 Homeowner's exemption | $225,500 Land $37,000 Building $188,500 | $225,500 Land $37,000 Building $188,500 |
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 February 3, 2023
| 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 | Low lower than 95% of the US · lower than 88% 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 | ONALASKA WATERWORKS serves 18,000 people · EPA ID WI6320327 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Dec 2023 |
| Lead | Under 1 ppb (2023) 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 425 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| Brightspeed Fiber | 2,000 / 2,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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