La Crosse County property record for 642 3rd Ave S, Onalaska, WI 54650 · Last verified February 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.085 acres (3,746 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,123 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-000617-005 |
| Primary APN | 018-000617-005 |
|---|---|
| Alternative APN |
|
| Lot Area | 3,746 sqft (0.085 acres) |
|---|
| Account Number | 66391 |
|---|---|
| Street Address | 642 3RD AVE S |
| City | ONALASKA |
| State | WI |
| Zip | 54650-3228 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | CERTIFIED SURVEY MAP NO. 21 VOL 15 LOT 2 DOC NO. 1566769 |
| Legal Range | 07 |
| Legal Township | 16 |
| Legal Section | 08 |
| Legal Quarter | NE |
| Quarter-Quarter Section | SE |
| Legal Lot Number | 2 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 4 |
| Census Block | 4031 |
| Census Tract | 10500 |
Source: La Crosse County records · APN 018-000617-005
Assessment roll updated January 1, 2025 · Last verified February 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 File |
|---|---|
| Co-owner | Verified Secondary Owner |
| Mailing Address | 901 ROSE ST, LA CROSSE, WI 54603-2633 |
| Owner Type | Individual, Secondary Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 03, 2011 |
| Deed Sale | Jan 03, 2011 |
| Deed Document Number | 1566769 |
| Record Updated | Jun 08, 2026 |
Source: La Crosse County records · Assessment roll updated January 1, 2025 · Last verified February 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 | $2,123.00 (+4.79%) | $158,300 (+31.92%) Land $18,700 Building $139,600 | $160,100 (+33.42%) |
| 2023 | $2,026.00 | $120,000 Land $18,700 Building $101,300 | $120,000 Land $18,700 Building $101,300 |
Source: FEMA National Flood Hazard Layer, La Crosse County (55063C), updated February 3, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 550630105004, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Claims | 3 (1997–2004) |
| Most Recent Claim | Aug 2004, river or lake flooding |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 271 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Spectrum | Cable | 1,000 / 1,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Brightspeed, TDS Telecom. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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