La Crosse County property record for 400 Mason St, Onalaska, WI 54650
| Property Type | Exempt (Full or Partial) |
|---|---|
| Lot Size | 9.93 acres (432,594 sqft) |
| Owner | Company Name on Record |
| Deeds & Mortgages | Jan 2026 Mortgage Dec 2021 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-004514-027 |
| Primary APN | 018-004514-027 |
|---|---|
| Alternative APNs |
|
| Lot Area | 432,594 sqft (9.93 acres) |
|---|
| Account Number | 59072 |
|---|---|
| Old Parcel Number | 18 4514 27 |
| Street Address | 400 MASON ST |
| City | ONALASKA |
| State | WI |
| Zip | 54650-7032 |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Legal Description | CERTIFIED SURVEY MAP NO. 148 VOL 12 LOT 1 DOC NO. 1441735 |
| Legal Range | 07 |
| Legal Township | 17 |
| Legal Section | 32 |
| Legal Quarter | NW |
| Quarter-Quarter Section | NE |
| Legal Lot Number | 1 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 1 |
| Census Block | 1034 |
| Census Tract | 10404 |
Source: La Crosse County records, as of February 16, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 1140 MAIN ST, LA CROSSE, WI 54601-4124 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Date | Document |
|---|---|
| Jan 16, 2026 | Deed of Trust, Mortgage · Commercial Mortgage MERCHANTS BANK |
| Dec 16, 2021 | Deed of Trust, Mortgage · Commercial Mortgage MERCHANTS BANK |
| Jun 23, 2021 | Deed of Trust, Mortgage · Commercial Mortgage MERCHANTS BANK |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | 400 MASON ST, ONALASKA, WI 54650-7032 |
| Transaction Type | Mortgage |
| Record Updated | Feb 11, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0001843918 |
|---|---|
| Date | Jan 16, 2026 |
| Instrument | 1843918 |
| Name | MERCHANTS BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 24 Months |
| Due | Dec 24, 2027 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | 400 MASON ST, ONALASKA, WI 54650-7032 |
| Transaction Type | Mortgage |
| Record Updated | Jan 12, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0001786474 |
|---|---|
| Date | Dec 16, 2021 |
| Instrument | 1786474 |
| Name | MERCHANTS BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 60 Months |
| Due | Dec 31, 2026 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | 400 MASON ST, ONALASKA, WI 54650-7032 |
| Transaction Type | Mortgage |
| Record Updated | Jul 14, 2021 |
| Name | Verified Name |
|---|
| Document Number | 1775186 |
|---|---|
| Date | Jun 23, 2021 |
| Instrument | 1775186 |
| Name | MERCHANTS BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 60 Months |
| Due | Jun 23, 2026 |
| 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 |
|---|---|
| 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 | 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 306 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 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
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