La Crosse County property record for 434 4th Ave N, Onalaska, WI 54650
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.339 acres (14,810 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,838 (2025) |
| Deeds & Mortgages | Jan 2023 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-000593-000 |
| Primary APN | 018-000593-000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 14,810 sqft (0.339 acres) |
|---|
| Account Number | 40670 |
|---|---|
| Old Parcel Number | 18 593 0 |
| Street Address | 434 4TH AVE N |
| City | ONALASKA |
| State | WI |
| Zip | 54650-2529 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | J.E. BROWNS ADDITION PRT LOT 12 BLOCK 11 BEG NW COR NELY ALG NLY LN 75FT ELY 150FT S50FT SWLY 207FT NWLY 75FT TO POB EX BEG N |
| Legal Range | 07 |
| Legal Township | 16 |
| Legal Section | 05 |
| Legal Quarter | NE |
| Quarter-Quarter Section | SE |
| Legal Subdivision | J E BROWNS ADDITION |
| Legal Block | 11 |
| Legal Lot Number | 12 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 10403 |
434 4th Ave N is owned and occupied by two individuals who acquired it in September 2014.
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 | 434 4TH AVE N, ONALASKA, WI 54650-2529 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 18, 2014 |
| Deed Sale | Sep 18, 2014 |
| Deed Document Number | 1645452 |
| Prior Transfer Date | Jul 3, 2007 |
| Prior Transfer Doc | 1479500 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | 434 4TH AVE N, ONALASKA, WI 54650-2529 |
| Transaction Type | Mortgage |
| Record Updated | Feb 8, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0001804158 |
|---|---|
| Date | Jan 20, 2023 |
| Instrument | 1804158 |
| Name | PENNYMAC LOAN SERVICES LLC |
|---|---|
| Type | Funding / Finance Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Feb 1, 2053 |
The 2025 property tax bill for 434 4th Ave N was $2,838 with a homeowner's exemption.
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 | $2,838.00 Homeowner's exemption | $225,600 Land $76,700 Building $148,900 | $228,200 |
| 2023 | $2,860.00 Homeowner's exemption | $169,400 Land $54,800 Building $114,600 | $169,400 Land $54,800 Building $114,600 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 434 4th Ave N in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 434 4th Ave N is low, with less than 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 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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