La Crosse County property record for 517 King St, Onalaska, WI 54650
| Property Type | Exempt (Full or Partial) |
|---|---|
| Lot Size | 0.01 acres (436 sqft) |
| Owner | Company Name on Record |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-000242-000 |
| Primary APN | 018-000242-000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 436 sqft (0.01 acres) |
|---|
| Account Number | 40319 |
|---|---|
| Old Parcel Number | 18 242 0 |
| Street Address | 517 KING ST |
| City | ONALASKA |
| State | WI |
| Zip | 54650-2959 |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Legal Description | ORIGINAL TOWN OF ONALASKA PRT LOT 7 BLOCK 31 BEG SE COR N ALG E LN 40FT SLY TO S LN E 16FT TO POB |
| Legal Range | 07 |
| Legal Township | 16 |
| Legal Section | 05 |
| Legal Quarter | SE |
| Quarter-Quarter Section | SE |
| Legal Block | 31 |
| Legal Lot Number | 7 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 3 |
| Census Block | 3008 |
| 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 | Company Name on Record |
|---|---|
| Mailing Address | 415 MAIN ST, ONALASKA, WI 54650-2953 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 10, 1971 |
| Deed Sale | Jun 10, 1971 |
| Deed Document Number | 810212 |
| 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 |
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 80% of the US · above 57% of Wisconsin |
|---|---|
| Wildfire Likelihood | 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 520 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
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