La Crosse County property record for 512 4th Ave N, Onalaska, WI 54650
| Property Type | Other Improved |
|---|---|
| Lot Size | 0.669 acres (29,185 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $4,379 (2025) |
| Deeds & Mortgages | Jul 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-000550-001 |
| Primary APN | 018-000550-001 |
|---|---|
| Alternative APNs |
|
| Lot Area | 29,185 sqft (0.669 acres) |
|---|
| Account Number | 40631 |
|---|---|
| Old Parcel Number | 18 550 0 |
| Street Address | 512 4TH AVE N |
| City | ONALASKA |
| State | WI |
| Zip | 54650-2531 |
| Property Category | Other |
| Property Type | Other > Other Improved |
| Legal Description | CERTIFIED SURVEY MAP NO. 114 VOL 19 LOT 1 DOC NO. 1780628 |
| Legal Range | 07 |
| Legal Township | 16 |
| Legal Section | 05 |
| Legal Quarter | NE |
| Quarter-Quarter Section | SE |
| Legal Block | 5 |
| Legal Lot Number | 1 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 3 |
| Census Block | 3001 |
| 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 | 676 MARCOU RD, ONALASKA, WI 54650-8824 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Deed Document Number | 1780628 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | 512 4TH AVE N, ONALASKA, WI 54650-2531 |
| Transaction Type | Mortgage |
| Record Updated | Apr 5, 2024 |
| Name | Verified Name |
|---|
| Document Number | 0001729712 |
|---|---|
| Date | Jul 25, 2019 |
| Instrument | 1729712 |
| Name | MERCHANTS BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Jul 15, 2039 |
| Rate Type | Fixed Rate |
|---|
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 | $4,379.00 | $321,000 Land $96,900 Building $224,100 | $324,700 |
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 99.1% of the US · lower than 97.9% of Wisconsin |
|---|---|
| Wildfire Likelihood | Under 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 150 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 |
5G (outdoors only) and 4G LTE
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