La Crosse County property record for 510 3rd Ave S, Onalaska, WI 54650
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.139 acres (6,098 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,526 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-000072-000 |
| Primary APN | 018-000072-000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 6,098 sqft (0.139 acres) |
|---|---|
| Lot Dimensions | 120 ft deep x 50 ft wide |
| Account Number | 40163 |
|---|---|
| Old Parcel Number | 18 72 0 |
| Street Address | 510 3RD AVE S |
| City | ONALASKA |
| State | WI |
| Zip | 54650-3226 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ORIGINAL TOWN OF ONALASKA LOT 14 BLOCK 10 |
| Legal Range | 07 |
| Legal Township | 16 |
| Legal Section | 08 |
| Legal Quarter | SE |
| Quarter-Quarter Section | NE |
| Legal Subdivision | ONALASKA |
| Legal Block | 10 |
| Legal Lot Number | 14 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 4 |
| Census Block | 4033 |
| Census Tract | 10500 |
Source: La Crosse County records · APN 018-000072-000
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 | Individual Name on File |
|---|---|
| Mailing Address | 324 6TH AVE N, ONALASKA, WI 54650-2543 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 19, 2016 |
| Deed Sale | Jan 19, 2016 |
| Deed Document Number | 1669065 |
| 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 | $2,526.00 (+7.08%) | $187,400 (+34.14%) Land $42,700 Building $144,700 | $189,600 (+35.72%) |
| 2023 | $2,359.00 | $139,700 Land $30,500 Building $109,200 | $139,700 Land $30,500 Building $109,200 |
Source: FEMA National Flood Hazard Layer, La Crosse County (55063C), as of February 3, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 550630105004, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 3 (1997–2004) |
| Most Recent Claim | Aug 2004 · river or lake flooding |
| Wildfire Risk | Not rated no burnable land within 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 as of December 31, 2025 · Last verified October 2026
| 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 USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 243 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system WI6320327, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | ONALASKA WATERWORKS serves 18,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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