519 Main St, Onalaska, WI 54650 Property Records

La Crosse County property record for 519 Main St, Onalaska, WI 54650

Property Summary

Property Type	Single Family Home
Lot Size	0.3 acres (13,068 sqft)
Owner	Company Name on File
Tax Bill	$5,069 (2025)
Deeds & Mortgages	Apr 2023 Line of Credit Aug 2021 Sale
Flood Zone	Zone X (minimal risk)
APN	`018-000396-000`

Property Details

APN / Parcel Number

Primary APN	`018-000396-000`
Alternative APNs	`18 396 0` `74258` `40477`

Exterior

Lot Area	13,068 sqft (0.3 acres)

Location & Zoning

Account Number	40477
Old Parcel Number	18 396 0
Street Address	519 MAIN ST
City	ONALASKA
State	WI
Zip	54650-2955
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	C.H. NICHOLS ADDITION LOT 2 BLOCK 1 EX COM SE COR LOT 2 N23D16MW ALG W LN 6TH AVE NORTH 68.5FT TO POB N23D16MW 74.6FT TO NE C
Legal Range	07
Legal Township	16
Legal Section	09
Legal Quarter	NW
Quarter-Quarter Section	NW
Legal Subdivision	C H NICHOLS ADDITION
Legal Block	1
Legal Lot Number	2
Jurisdiction	LA CROSSE WI
Township / Civil Division	ONALASKA
Census Block Group	3
Census Block	3016
Census Tract	10403

Owner

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

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	519 MAIN ST, ONALASKA, WI 54650-2955
Occupancy	Owner Occupied
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Apr 25, 2023	Deed of Trust, Mortgage · Line of Credit BMO HARRIS BANK NA
Aug 6, 2021	Warranty Deed, Transfer

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Aug 6, 2021
Deed Sale	Aug 6, 2021
Deed Document Number	1778223
Record Updated	Jun 8, 2026

April 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LA CROSSE WI
Property Address	519 MAIN ST, ONALASKA, WI 54650-2955
Transaction Type	Mortgage
Record Updated	May 17, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0001806900
Date	Apr 25, 2023
Instrument	1806900

Lender

Name	BMO HARRIS BANK NA
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Apr 21, 2053

August 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	LA CROSSE WI
Recording Date	Aug 6, 2021
Property Address	519 MAIN ST, ONALASKA, WI 54650-2955
Document Number	1778223
Instrument Date	Jul 26, 2021
Instrument	1778223
Transaction Type	Transfer
Record Updated	Sep 8, 2021

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
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 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	$5,069.00 (+4.24%) Homeowner's exemption	$386,400 (+34.17%) Land $74,300 Building $312,100	$390,900 (+35.73%)
2023	$4,863.00 Homeowner's exemption	$288,000 Land $53,100 Building $234,900	$288,000 Land $53,100 Building $234,900

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

Flood

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

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

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 USA Fixed Wireless	100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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