La Crosse County property record for 121 4th Ave N, Onalaska, WI 54650
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.14 acres (6,098 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $246,700 (Mar 2025) |
| Tax Bill | $2,786 (2025) |
| Deeds & Mortgages | Aug 2026 Line of Credit Feb 2026 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-000146-000 |
| Primary APN | 018-000146-000 |
|---|---|
| Alternative APN |
|
| Lot Area | 6,098 sqft (0.14 acres) |
|---|---|
| Lot Dimensions | 120 ft deep x 50 ft wide |
| Street Address | 121 4TH AVE N |
|---|---|
| City | ONALASKA |
| State | WI |
| Zip | 54650-2917 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MZA |
| Legal Description | ORIGINAL TOWN OF ONALASKA LOT 12 BLOCK 18 |
| Legal Range | 07W |
| Legal Township | 16N |
| Legal Section | 08 |
| Legal Subdivision | ORIGINAL TOWN OF ONALASKA |
| Legal Block | 18 |
| Legal Lot Number | 12 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 3 |
| Census Block | 3014 |
| Census Tract | 10403 |
Source: La Crosse County records, as of August 25, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 121 4TH AVE N, ONALASKA, WI 54650-2917 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Aug 12, 2026 | Deed of Trust, Mortgage · Line of Credit ALTRA FEDERAL CREDIT UNION |
| Feb 17, 2026 | Deed of Trust, Mortgage · Conventional Mortgage ALTRA FCU |
| Dec 5, 2025 | Deed of Trust, Mortgage · Conventional Mortgage ALTRA FCU |
| May 1, 2020 | Warranty Deed, Transfer · Conventional Mortgage ALTRA FCU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 3, 2025 · Amount on Record |
| Deed Sale | Mar 3, 2025 · Amount on Record |
| Prior Sale | May 1, 2020 · Amount on Record |
| Deed Document Number | 20251830727 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Recording Date | Aug 12, 2026 |
| Property Address | 121 4TH AVE N, ONALASKA, WI 54650-2917 |
| Document Number | 0001853093 |
| Instrument Date | Aug 7, 2026 |
| Instrument | 20261853093 |
| Transaction Type | Mortgage |
| Record Updated | Aug 25, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Document Number | 0001853093, |
|---|---|
| Date | Aug 12, 2026 |
| Instrument | 20261853093 |
| Name | ALTRA FEDERAL CREDIT UNION |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Initial Type | Adjustable Rate |
| Adjustable | Adjustable Rate Rider |
| Max Rate | -1% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | 121 4TH AVE N, ONALASKA, WI 54650-2917 |
| Transaction Type | Mortgage |
| Record Updated | Mar 11, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0001845042 |
|---|---|
| Date | Feb 17, 2026 |
| Instrument | 1845042 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Mar 3, 2041 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | 121 4TH AVE N, ONALASKA, WI 54650-2917 |
| Transaction Type | Mortgage |
| Record Updated | Jan 7, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0001842290 |
|---|---|
| Date | Dec 5, 2025 |
| Instrument | 1842290 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Dec 18, 2040 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Recording Date | May 1, 2020 |
| Property Address | 121 4TH AVE N, ONALASKA, WI 54650-2917 |
| Document Number | 0001745083 |
| Instrument Date | Apr 30, 2020 |
| Instrument | 1745083 |
| Transaction Type | Transfer |
| Record Updated | Jun 13, 2023 |
| Title Company | NEW CASTLE TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $502.50 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Number | 0001745084 |
|---|---|
| Date | May 1, 2020 |
| Instrument | 1745084 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 1, 2050 |
| Rate Type | Fixed Rate |
|---|
Source: La Crosse County assessment roll, as of March 11, 2026
| 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 | $2,786.00 (-0.18%) Homeowner's exemption | $221,800 (+34.18%) Land $42,700 Building $179,100 | $224,400 (+35.75%) |
| 2023 | $2,791.00 Homeowner's exemption | $165,300 Land $30,500 Building $134,800 | $165,300 Land $30,500 Building $134,800 |
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 | Not rated no burnable land within 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 243 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 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
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