La Crosse County property record for 405 1st Ave, Onalaska, WI 54650
| Property Type | Exempt (Full or Partial) |
|---|---|
| Lot Size | 0.139 acres (6,098 sqft) |
| Owner | Company Name on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-000038-002 |
| Primary APN | 018-000038-002 |
|---|---|
| Alternative APNs |
|
| Lot Area | 6,098 sqft (0.139 acres) |
|---|---|
| Lot Dimensions | 121 ft deep x 90 ft wide |
| Account Number | 40134 |
|---|---|
| Old Parcel Number | 18 38 2 |
| Street Address | 405 1ST AVE |
| City | ONALASKA |
| State | WI |
| Zip | 54650 |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Legal Description | ORIGINAL TOWN OF ONALASKA STRIP LAND 30FT WIDE - 15FT ON EACH SIDE C/L ORIGINAL ALIGNMENT OF LAX & ONA SHORT LINE RR LOC THRU |
| Legal Range | 07 |
| Legal Township | 16 |
| Legal Section | 08 |
| Legal Quarter | SE |
| Quarter-Quarter Section | NE |
| Legal Block | 6 |
| Legal Lot Number | 4-10 5 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 4 |
| Census Block | 4017 |
| Census Tract | 10500 |
405 1st Ave is owned by a company that acquired it in August 2003 and is owner-occupied.
Source: La Crosse County records, as of February 16, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 415 MAIN ST, ONALASKA, WI 54650-2953 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
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 | Name on Deed |
|---|---|
| Last Sale | Aug 15, 2003 |
| Deed Sale | Aug 15, 2003 |
| Deed Document Number | 1367594 |
| Record Updated | Jun 8, 2026 |
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 |
|---|---|
| 2025 | Additional exemption filed |
| 2023 | Additional exemption filed |
FEMA maps place 405 1st 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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| 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 |
| Nearby Flood Claims | 3 (1997–2004) |
| Most Recent Claim | Aug 2004 · 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.
Wildfire risk around 405 1st Ave is low, with 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 80% of the US · above 57% of Wisconsin |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 243 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 · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
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