La Crosse County property record for 511 8th Ave S, Onalaska, WI 54650
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.13 acres (5,663 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $1,705 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-000476-000 |
| Primary APN | 018-000476-000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 5,663 sqft (0.13 acres) |
|---|---|
| Lot Dimensions | 110 ft deep x 52 ft wide |
| Account Number | 40564 |
|---|---|
| Old Parcel Number | 18 476 0 |
| Street Address | 511 8TH AVE S |
| City | ONALASKA |
| State | WI |
| Zip | 54650-3357 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BUTTLES & PIERCES ADDITION LOT 3 BLOCK 4 |
| Legal Range | 07 |
| Legal Township | 16 |
| Legal Section | 09 |
| Legal Quarter | SW |
| Quarter-Quarter Section | NW |
| Legal Subdivision | BUTTLES & PIERCES ADDITION |
| Legal Block | 4 |
| Legal Lot Number | 3 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 10500 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 511 8TH AVE S, ONALASKA, WI 54650-3357 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 29, 2000 |
| Deed Sale | Mar 29, 2000 |
| Deed Document Number | 1248201 |
| 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 | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,705.00 (-4.11%) Homeowner's exemption | $143,900 (+36.66%) Land $39,600 Building $104,300 | $145,600 (+38.27%) |
| 2023 | $1,778.00 Homeowner's exemption | $105,300 Land $28,300 Building $77,000 | $105,300 Land $28,300 Building $77,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 93% of the US · lower than 81% of Wisconsin |
|---|---|
| Wildfire Likelihood | Under 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 515 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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