La Crosse County property record for 643 Winter St, Onalaska, WI 54650 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Lot Size | 10,890 sqft (0.25 acres) |
| Occupancy | Owner Occupied |
| Tax Bill | $3,471.00 (2025) |
| Primary APN | 018-003922-000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 10,890 sqft (0.25 acres) |
|---|---|
| Depth X Width | 112 ft x 98 ft Depth x Width |
| Account Number | 44140 |
|---|---|
| Street Address | 643 WINTER ST |
| City | ONALASKA |
| State | WI |
| Zip | 54650-8537 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | FIRST ADDN TO MAYFAIR ADDN LOT 52 |
| Legal Range | 07W |
| Legal Township | 16N |
| Legal Section | 10 |
| Legal Subdivision | MAYFAIR ADDN |
| Legal Lot Number | 52 |
| Jurisdiction | LA CROSSE WI |
| Minor Civil Division | ONALASKA |
| Census Blockgroup | 1 |
| Census Block | 1038 |
| Census Tract | 10500 |
Source: La Crosse County records · APN 018-003922-000
Assessment roll updated March 11, 2026 · Last verified August 2026
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| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 641 WINTER ST, ONALASKA, WI 54650-8537 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Jul 06, 2005 |
| Transfer Doc | 0001426450 |
| Record Refreshed | Sep 20, 2026 |
Source: La Crosse County records · Assessment roll updated March 11, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | La Crosse County |
| Municipality | Onalaska City |
| Unified School District | Onalaska School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,471.00 (+1.97%) | $255,500 (+26.74%) Land $37,100 Building $218,400 | $258,400 (+28.17%) |
| 2023 | $3,404.00 | $201,600 Land $37,100 Building $164,500 | $201,600 Land $37,100 Building $164,500 |
643 Winter St is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · La Crosse County (55063C), updated February 3, 2023
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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