La Crosse County property record for 520 8th Ave N, Onalaska, WI 54650
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.21 acres (9,148 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,575 (2025) |
| Deeds & Mortgages | Sep 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-002090-000 |
| Primary APN | 018-002090-000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 9,148 sqft (0.21 acres) |
|---|---|
| Lot Dimensions | 110 ft deep x 82 ft wide |
| Account Number | 42238 |
|---|---|
| Old Parcel Number | 18 2090 0 |
| Street Address | 520 8TH AVE N |
| City | ONALASKA |
| State | WI |
| Zip | 54650-2610 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | GUENTHER ADDITION LOT 6 BLOCK 2 |
| Legal Range | 07 |
| Legal Township | 16 |
| Legal Section | 04 |
| Legal Quarter | NW |
| Quarter-Quarter Section | SW |
| Legal Subdivision | GUENTHER ADDITION |
| Legal Block | 2 |
| Legal Lot Number | 6 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 4 |
| Census Block | 4006 |
| Census Tract | 10403 |
520 8th Ave N is owned and occupied by two individuals who acquired it in July 2014.
Source: La Crosse County records, as of February 16, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 520 8TH AVE N, ONALASKA, WI 54650-2610 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Jul 21, 2014 |
| Deed Sale | Jul 21, 2014 |
| Deed Document Number | 1642515 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | 520 8TH AVE N, ONALASKA, WI 54650-2610 |
| Transaction Type | Mortgage |
| Record Updated | Oct 2, 2019 |
| Name | Verified Name |
|---|
| Document Number | 1732147 |
|---|---|
| Date | Sep 9, 2019 |
| Instrument | 1732147 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 120 Months |
| Due | Sep 1, 2029 |
| Rate Type | Fixed Rate |
|---|
The 2025 property tax bill for 520 8th Ave N was $3,575 with a homeowner's exemption.
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 | $3,575.00 Homeowner's exemption | $278,700 Land $64,000 Building $214,700 | $281,900 |
| 2023 | $3,456.00 Homeowner's exemption | $204,700 Land $45,700 Building $159,000 | $204,700 Land $45,700 Building $159,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 520 8th Ave N in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 520 8th Ave N 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 | 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 |
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