819 Madison St, Onalaska, WI 54650 Property Records

La Crosse County property record for 819 Madison St, Onalaska, WI 54650

Property Summary

Property Type	Single Family Home
Lot Size	0.219 acres (9,583 sqft)
Owner	Individual Name on File
Last Sale	$198,000 (Apr 2023)
Tax Bill	$2,672 (2025)
Deeds & Mortgages	Apr 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`018-000429-001`

Property Details

APN / Parcel Number

Primary APN	`018-000429-001`
Alternative APNs	`18 429 1` `40517`

Exterior

Lot Area	9,583 sqft (0.219 acres)

Location & Zoning

Account Number	40517
Old Parcel Number	18 429 1
Street Address	819 MADISON ST
City	ONALASKA
State	WI
Zip	54650-2633
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	NORTHEASTERN ADDITION S 100FT LOTS 4 & 5 BLOCK 2 EX W 50FT & EX E 22FT
Legal Range	07
Legal Township	16
Legal Section	04
Legal Quarter	SW
Quarter-Quarter Section	SW
Legal Subdivision	NORTHEASTERN ADDITION
Legal Block	2
Legal Lot Number	4-5 5
Jurisdiction	LA CROSSE WI
Township / Civil Division	ONALASKA
Census Block Group	4
Census Block	4018
Census Tract	10403

Owner

819 Madison St is owned and occupied by an individual who bought it in April 2023.

Source: La Crosse County records, as of February 16, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on File
Co-owner	Co-owner on File
Mailing Address	819 MADISON ST, ONALASKA, WI 54650-2633
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 19, 2023 · Amount on File
Deed Sale	Apr 19, 2023 · Amount on File
Prior Sale	Oct 3, 2012
Deed Document Number	1806750
Record Updated	Jun 8, 2026

April 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	LA CROSSE WI
Recording Date	Apr 19, 2023
Property Address	819 MADISON ST, ONALASKA, WI 54650-2633
Document Number	0001806750
Instrument Date	Apr 10, 2023
Instrument	1806750
Transaction Type	Transfer
Record Updated	May 10, 2023
Title Company	NEW CUSTOM TITLE, NEW CASTLE TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$594.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0001806751
Date	Apr 19, 2023
Instrument	1806751

Lender

Name	ALTRA FCU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2053

Tax Assessment & Valuation

The 2025 property tax bill for 819 Madison St was $2,672 with a homeowner's exemption.

Source: La Crosse County assessment roll, as of January 1, 2025

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$2,672.00 Homeowner's exemption	$213,600 Land $67,100 Building $146,500	$216,100
2023	$2,814.00 Homeowner's exemption	$166,700 Land $47,900 Building $118,800	$166,700 Land $47,900 Building $118,800

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

Flood

FEMA maps place 819 Madison St 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

Wildfire risk around 819 Madison St 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	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

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

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, 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 520 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 · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20