420 E Union St, Lone Rock, WI 53556 Property Records

Richland County property record for 420 E Union St, Lone Rock, WI 53556

Property Summary

Property Type	Single Family Home
Lot Size	0.2 acres (8,712 sqft)
Owner	Individual Name on Record
Last Sale	$25,000 (Jul 2021)
Tax Bill	$967 (2025)
Deeds & Mortgages	Jul 2021 Sale Aug 2017 Foreclosure
Flood Zone	Zone X (minimal risk)
APN	`146-1031-0800`

Property Details

APN / Parcel Number

Primary APN	`146-1031-0800`
Alternative APN	`5214610310800`

Exterior

Lot Area	8,712 sqft (0.2 acres)

Location & Zoning

Street Address	420 E UNION ST
City	LONE ROCK
State	WI
Zip	53556-3840
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LONE ROCK BLOCK 31 LOT 8
Legal Range	02E
Legal Township	08N
Legal Section	12
Legal Subdivision	LONE ROCK
Legal Block	31
Legal Lot Number	8
Jurisdiction	RICHLAND WI
Township / Civil Division	LONE ROCK
Census Block Group	2
Census Block	2049
Census Tract	970500

Owner

Source: Richland County records, as of February 13, 2026

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

Owner of Record	Individual Name on Record
Mailing Address	420 E UNION ST, LONE ROCK, WI 53556-3840
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 2, 2021	Warranty Deed, Transfer
Aug 21, 2017	Sheriff's Deed, Foreclosure

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 2, 2021 · Amount on Record
Deed Sale	Jul 2, 2021 · Amount on Record
Prior Sale	Aug 21, 2017 · Amount on Record
Deed Document Number	329880
Record Updated	Jun 8, 2026

July 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	RICHLAND WI
Recording Date	Jul 2, 2021
Property Address	420 E UNION ST, LONE ROCK, WI 53556-3840
Document Number	329880
Instrument Date	Jul 2, 2021
Instrument	329880
Transaction Type	Transfer
Record Updated	Nov 11, 2021

Transaction

Amount	Amount Recorded
Tax	$75.00
Amount Accuracy	Rounded by County
Additional	Notice of Foreclosure Sale Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	3702 COUNCIL CRST, 3702, MADISON, WI 53711-2904

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	17 N JOHN ST, MAZOMANIE, WI 53560-9509

August 2017: Sheriff's Deed, Foreclosure

Document Type	Sheriff's Deed
Jurisdiction	RICHLAND WI
Recording Date	Aug 21, 2017
Property Address	420 E UNION ST, LONE ROCK, WI 53556-3840
Document Number	316618
Instrument Date	Aug 1, 2017
Instrument	316618
Transaction Type	Foreclosure
Record Updated	Nov 11, 2021

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Judgment Amount
Additional	Notice of Foreclosure Sale

Transferred From (Grantor/Seller)

Name	Verified Name
Address	425 US HWY 14, 425, LONE ROCK, WI 53556-4181

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4801 FREDERICA ST, OWENSBORO, KY 42301-7441

Tax Assessment & Valuation

Source: Richland County assessment roll, as of January 1, 2025

Property Jurisdictions

Type	Name
State	Wisconsin
County	Richland County
Municipality	Lone Rock Village
Unified School District	River Valley School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$967.00 (+12.18%) Homeowner's exemption	$87,000 (+87.5%) Land $9,400 Building $77,600	$88,900 (+13.54%) Land $9,605 Building $79,295
2023	$862.00 Homeowner's exemption	$46,400 Land $8,000 Building $38,400	$78,300

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 December 8, 2016 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	1 (2008)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jun 2008 · Severe Storms, Tornadoes, And Flooding

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.

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	Indirect within 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	LONE ROCK WATERWORKS serves 895 people · EPA ID WI1530061
Water Source	Groundwater
Last State Inspection	Jun 2024
Lead	1 ppb (2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Lead public education Nov 2020
Monitoring and Reporting	1 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 230 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000

Cell Coverage

4G LTE only, no 5G reported

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