603 Marcou Rd, Onalaska, WI 54650 Property Records

La Crosse County property record for 603 Marcou Rd, Onalaska, WI 54650

Property Summary

Property Type	Single Family Home
Lot Size	0.215 acres (9,365 sqft)
Owner	Company Name on File
Last Sale	$455,000 (Oct 2017)
Tax Bill	$10,449 (2025)
Deeds & Mortgages	Oct 2017 Sale
Flood Zone	Zone X (minimal risk)
APN	`018-005689-000`

Property Details

APN / Parcel Number

Primary APN	`018-005689-000`
Alternative APNs	`18 5689 0` `54450`

Exterior

Architectural Style	Condo/Apartment
Lot Area	9,365 sqft (0.215 acres)

Location & Zoning

Street Address	603 MARCOU RD
City	ONALASKA
State	WI
Zip	54650-8824
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	MZA
Legal Description	FAIRWAY CREEK TOWNHOMES A CONDOMINIUM THIRD ADDENDUM PHASE IV UNIT 26 T/W 1/34TH INTEREST IN COMMON ELEMENTS
Legal Range	07W
Legal Township	16N
Legal Section	02
Legal Subdivision	FAIRWAY CREEK TOWNHOMES THIRD ADDENDUM P
Jurisdiction	LA CROSSE WI
Township / Civil Division	ONALASKA
Census Block Group	4
Census Block	4019
Census Tract	10401

Owner

Source: La Crosse County records · APN 018-005689-000

Assessment roll updated March 11, 2026 · Last verified April 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	603 MARCOU RD, ONALASKA, WI 54650-8824
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Oct 06, 2017 · Amount on Record
Deed Sale	Oct 06, 2017 · Amount on Record
Prior Sale	Jun 10, 2016 · Amount on Record
Deed Document Number	2017538
Prior Transfer Date	Aug 08, 2014
Prior Transfer Doc	0001645191
Record Updated	Jun 08, 2026

October 2017: Deed, Transfer

Document Type	Deed
Jurisdiction	LA CROSSE WI
Recording Date	Oct 06, 2017
Property Address	603 MARCOU RD, ONALASKA, WI 54650-8824
Document Number	0001700538
Map Reference	VL1699 PG 27
Instrument Date	Oct 04, 2017
Instrument	1700538
Transaction Type	Transfer
Record Updated	Sep 08, 2022
Title Company	NEW CUSTOM TITLE, NEW CASTLE TITLE

Transaction

Amount	Amount Recorded
Tax	$1,365.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Tax Assessment & Valuation

Source: La Crosse County records · Assessment roll updated March 11, 2026 · Last verified April 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	$10,449.00 (+6.69%) Homeowner's exemption		$783,200 (+10.67%)
2024			$707,700 (+22.02%)
2023	$9,794.00 Homeowner's exemption	$580,000 Land $70,500 Building $509,500	$580,000 Land $70,500 Building $509,500

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of February 3, 2023 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Low lower than 80% of the US · above 57% of Wisconsin
Wildfire Likelihood	0.01% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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.

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
Metronet Holdings Fiber	5,120 / 5,120
Spectrum Cable	1,000 / 35

Based on FCC filings for 47 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System 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.