La Crosse County property record for 851 West Ave, Onalaska, WI 54650
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $135,000 (Jun 2024) |
| Tax Bill | $2,944 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-001319-000 |
| Primary APN | 018-001319-000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 7,405 sqft (0.17 acres) |
|---|
| Street Address | 851 WEST AVE |
|---|---|
| City | ONALASKA |
| State | WI |
| Zip | 54650-2264 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MZA |
| Legal Description | SUNSET BOULEVARD ADDITION PRT LOT 1 BLOCK 7 COM NE COR LOT 3 N6D56MW 100FT TO POB N6D56MW 70.85FT S86D44MW 103FT S7D11ME 77FT N83D17ME 102.5FT TO POB |
| Legal Range | 07W |
| Legal Township | 16N |
| Legal Section | 05 |
| Legal Subdivision | SUNSET BOULEVARD ADDITION |
| Legal Block | 7 |
| Legal Lot Number | 1,3 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 2 |
| Census Block | 2023 |
| Census Tract | 10403 |
851 West Ave is owned and occupied by two individuals who bought it in June 2024.
Source: La Crosse County records, as of March 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 851 WEST AVE, ONALASKA, WI 54650-2264 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Husband and Wife |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 18, 2024 · Amount on File |
| Deed Sale | Jun 18, 2024 · Amount on File |
| Deed Document Number | 20241821450 |
| Prior Transfer Date | Jun 17, 2024 |
| Prior Transfer Doc | 0001821449 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 851 West Ave was $2,944.
Source: La Crosse County assessment roll, as of March 11, 2026
| 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 | $2,944.00 Homeowner's exemption | $233,200 Land $51,800 Building $181,400 | $235,900 |
| 2023 | $2,901.00 Homeowner's exemption | $171,800 Land $37,000 Building $134,800 | $171,800 Land $37,000 Building $134,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 851 West 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 February 3, 2023
| 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 |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 851 West Ave is low, with less than a 0.01% annual chance of wildfire.
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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