421 R Stephan Pl, Onalaska, WI 54650 Property Records

La Crosse County property record for 421 R Stephan Pl, Onalaska, WI 54650

Property Summary

Property Type	Single Family Home
Lot Size	0.23 acres (10,019 sqft)
Owner	2 Individual Names on File
Tax Bill	$5,472 (2025)
Flood Zone	Zone X (minimal risk)
APN	`018-005273-000`

Property Details

APN / Parcel Number

Primary APN	`018-005273-000`
Alternative APN	`49347`

Exterior

Lot Area	10,019 sqft (0.23 acres)

Location & Zoning

Account Number	49347
Street Address	421 R STEPHAN PL
City	ONALASKA
State	WI
Zip	54650-7027
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	HARMONY ESTATES LOT 6
Legal Range	07
Legal Township	17
Legal Section	32
Legal Quarter	NW
Quarter-Quarter Section	SE
Legal Subdivision	HARMONY ESTATES
Legal Lot Number	6
Jurisdiction	LA CROSSE WI
Township / Civil Division	ONALASKA
Census Block Group	1
Census Block	1026
Census Tract	10404

Owner

Source: La Crosse County records · APN 018-005273-000

Assessment roll updated January 1, 2025 · Last verified February 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 File
Co-owner	Verified Secondary Owner
Mailing Address	421 R STEPHAN PL, ONALASKA, WI 54650-7027
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 31, 2013
Deed Sale	Oct 31, 2013
Deed Document Number	967239
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

Source: La Crosse County records · Assessment roll updated January 1, 2025 · Last verified February 2026

Property Jurisdictions

Type	Name
State	Wisconsin
County	La Crosse County
Municipality	Onalaska City
Unified School District	Onalaska School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$5,472.00 (-4.25%) Homeowner's exemption	$415,500 (+22.75%) Land $70,000 Building $345,500	$420,300 (+24.17%)
2023	$5,715.00 Homeowner's exemption	$338,500 Land $50,000 Building $288,500	$338,500 Land $50,000 Building $288,500

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, La Crosse County (55063C), as of February 3, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 94% of the US · lower than 83% of Wisconsin
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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 USA Fixed Wireless	100 / 20

Based on FCC filings for 396 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

Source: EPA Safe Drinking Water Information System, water system WI6320327, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	ONALASKA WATERWORKS serves 18,000 people
Water Source	Groundwater
Last State Inspection	Dec 2023
Lead	Under 1 ppb (2023) action level 15 ppb

Violations Reported to EPA

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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.