La Crosse County property record for 1815 Onalaska Ave, La Crosse, WI 54603
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.5 ba · 1,261 sqft · built 1938 |
| Lot Size | 0.129 acres (5,619 sqft) |
| Owner | Individual Name on File |
| Last Sale | $169,100 (Aug 2024) |
| Tax Bill | $3,332 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 017-010173-010 |
| Primary APN | 017-010173-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 11 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,261 sqft Living Area |
| Gross Area | 2,182 sqft |
| 1st Floor Area | 921 sqft |
| Basement Area | 921 sqft |
| Year Built | Built 1938 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | Cape Cod |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 5,619 sqft (0.129 acres) |
| Lot Dimensions | 140 ft deep x 40 ft wide |
| View / Lot | Highway |
| Garage Type | Detached |
| Garage Area | 484 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Deck Area | 360 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Account Number | 25799 |
|---|---|
| Street Address | 1815 ONALASKA AVE |
| City | LA CROSSE |
| State | WI |
| Zip | 54603-2157 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MZA |
| Legal Description | LOSEYS ADDITION LOT 6 BLOCK 17 LOT SZ: 40 X 140 |
| Legal Range | 07W |
| Legal Township | 16N |
| Legal Section | 20 |
| Legal Subdivision | LOSEYS ADDITION |
| Legal Block | 17 |
| Legal Lot Number | 6 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | LA CROSSE |
| Census Block Group | 5 |
| Census Block | 5013 |
| Census Tract | 100 |
1815 Onalaska Ave is owned and occupied by an individual who bought it in August 2024.
Source: La Crosse County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1815 ONALASKA AVE, LA CROSSE, WI 54603-2157 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single |
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 | Name on Deed |
|---|---|
| Last Sale | Aug 19, 2024 · Amount on File |
| Deed Sale | Aug 19, 2024 · Amount on File |
| Deed Document Number | 20241823734 |
| Prior Transfer Date | Aug 16, 2024 |
| Prior Transfer Doc | 0001823734 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 1815 Onalaska Ave was $3,332.
Source: La Crosse County assessment roll, as of March 11, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | La Crosse County |
| Municipality | La Crosse City |
| Unified School District | La Crosse School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,332.00 | $193,300 (+7.75%) | |
| 2024 | $179,400 (+20.16%) | ||
| 2023 | $3,082.00 | $149,300 Land $16,500 Building $132,800 | $149,300 Land $16,500 Building $132,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1815 Onalaska Ave in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 22 (1978–2011) |
| Claims Outside the SFHA | 1 of 22 |
| Most Recent Claim | Apr 2011 · river or lake flooding |
| Claims by Event |
|
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.
The area around 1815 Onalaska Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 | LA CROSSE WATERWORKS serves 53,000 people · EPA ID WI6320309 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Nov 2023 |
| Lead | 1 ppb (2026) 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.
Source: FCC Broadband Data Collection, based on 581 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Brightspeed Fiber | 2,000 / 2,000 |
| Spectrum Cable | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Metronet, Verizon.
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