La Crosse County property record for W5777 Koss Rd, Onalaska, WI 54650
| Property Type | Single Family Home |
|---|---|
| Lot Size | 20 acres (871,200 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,873 (2025) |
| Deeds & Mortgages | Nov 2021 Mortgage Nov 2021 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 010-000736-003 |
| Primary APN | 010-000736-003 |
|---|---|
| Alternative APNs |
|
| Lot Area | 871,200 sqft (20 acres) |
|---|
| Account Number | 13964 |
|---|---|
| Old Parcel Number | 10 736 3 |
| Street Address | W5777 KOSS RD |
| City | ONALASKA |
| State | WI |
| Zip | 54650-8834 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RURAL |
| Legal Description | PRT SE-SE SEC 27 & NE-NE SEC 34 COM SE COR SEC 27 N37D49M14SW 1205.73FT TO POB N20D52MW 200.3FT S67D47MW 148.4FT S86D3MW 444. |
| Legal Range | 07 |
| Legal Township | 17 |
| Legal Section | 27 |
| Legal Quarter | SE |
| Quarter-Quarter Section | SE |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 10401 |
W5777 Koss Rd is owned and occupied by two individuals who acquired it in October 1997.
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 | W5777 KOSS RD, ONALASKA, WI 54650-8834 |
| 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.
| Date | Document |
|---|---|
| Nov 16, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ALTRA FCU |
| Nov 9, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ALTRA FCU |
| Jul 6, 2017 | Deed of Trust, Mortgage · Conventional Mortgage ALTRA FCU |
| Feb 24, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ALTRA FCU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 7, 1997 |
| Deed Sale | Oct 7, 1997 |
| Deed Document Number | 1182333 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | W5777 KOSS RD, ONALASKA, WI 54650-8834 |
| Transaction Type | Mortgage |
| Record Updated | Dec 15, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0001784649 |
|---|---|
| Date | Nov 16, 2021 |
| Instrument | 1784649 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Nov 15, 2051 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | W5777 KOSS RD, ONALASKA, WI 54650-8834 |
| Transaction Type | Mortgage |
| Record Updated | Nov 24, 2021 |
| Name | Verified Name |
|---|
| Document Number | 1784206 |
|---|---|
| Date | Nov 9, 2021 |
| Instrument | 1784206 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Nov 1, 2036 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | W5777 KOSS RD, ONALASKA, WI 54650-8834 |
| Transaction Type | Mortgage |
| Record Updated | Mar 15, 2021 |
| Name | Verified Name |
|---|
| Document Number | 1695966 |
|---|---|
| Date | Jul 6, 2017 |
| Instrument | 1695966 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jul 5, 2047 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | W5777 KOSS RD, ONALASKA, WI 54650-8834 |
| Transaction Type | Mortgage |
| Record Updated | Mar 15, 2021 |
| Name | Verified Name |
|---|
| Document Number | 1766848 |
|---|---|
| Date | Feb 24, 2021 |
| Instrument | 1766848 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Feb 1, 2036 |
| Rate Type | Fixed Rate |
|---|
The 2025 property tax bill for W5777 Koss Rd was $2,873 with a homeowner's exemption.
Source: La Crosse County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | La Crosse County |
| County Subdivision | Onalaska Town |
| Unified School District | Holmen School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,873.00 Homeowner's exemption | $193,700 Land $31,700 Building $162,000 | $351,600 |
| 2023 | $2,930.00 Homeowner's exemption | $193,400 Land $31,400 Building $162,000 | $193,400 Land $31,400 Building $162,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place W5777 Koss Rd in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2019.
Source: FEMA National Flood Hazard Layer, effective February 3, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 1 (2019) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Mar 2019 · rainfall accumulation |
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.
Wildfire risk around W5777 Koss Rd 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 | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 12 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| Brightspeed DSL | 100 / 10 |
| T-Mobile Fixed Wireless | 25 / 3 |
5G and 4G LTE (outdoors only)
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