1040 Windsor St, Sun Prairie, WI 53590 Property Records

Dane County property record for 1040 Windsor St, Sun Prairie, WI 53590

Property Summary

Property Type	Commercial
Details	3,696 sqft · built 1976
Lot Size	0.985 acres (42,950 sqft)
Owner	Company Name on Record
Tax Bill	$11,642 (2025)
Deeds & Mortgages	Mar 2026 Line of Credit Apr 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`0811-061-9710-1`

Property Details

APN / Parcel Number

Primary APN	`0811-061-9710-1`

Interior

Stories	1 Story
Building Area	3,696 sqft Total Area

Exterior

Year Built	Built 1976
Construction Type	Masonry / Concrete Block
Lot Area	42,950 sqft (0.985 acres)

Location & Zoning

Street Address	1040 WINDSOR ST
City	SUN PRAIRIE
State	WI
Zip	53590-2053
Property Category	Commercial
Property Type	Commercial > Retail
Legal Description	SEC 6-8-11 PRT S1/2 NE1/4 COM SEC E1/4 COR TH S88DEG5'W 1069.35 FT TH N23DEG9'W 35.41 FT TO POB TH S88DEG5'W 275 FT TH
Legal Range	11
Legal Township	08
Legal Section	06
Legal Block	97
Jurisdiction	DANE WI
Township / Civil Division	SUN PRAIRIE
Census Block Group	1
Census Block	1014
Census Tract	11505

Owner

Source: Dane County records, as of January 22, 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 Record
Mailing Address	PO BOX 454, WISCONSIN DELLS, WI 53965-0454
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Mar 30, 2026	Deed of Trust, Mortgage · Line of Credit PREVAIL BANK
Apr 15, 2020	Grant Deed, Transfer JACK & LAVONNE FTN REV TR (RT)

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 8, 2016
Deed Sale	Sep 8, 2016
Prior Sale	Jan 9, 2009
Deed Document Number	5266081
Record Updated	Jun 8, 2026

March 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DANE WI
Property Address	1040 WINDSOR ST, SUN PRAIRIE, WI 53590-2053
Transaction Type	Mortgage
Record Updated	Apr 13, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	815 BUSINESS PARK DR, WISCONSIN DELLS, WI 53965-9440

Mortgage

Document Number	0006088758
Date	Mar 30, 2026
Instrument	6088758

Lender

Name	PREVAIL BANK
Type	Bank
Address	MEDFORD, WI 54451

Agreement

Type	Line of Credit
Amount	Amount Recorded

April 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	DANE WI
Recording Date	Apr 15, 2020
Property Address	1040 WINDSOR ST, SUN PRAIRIE, WI 53590-2053
Document Number	0005578161
Instrument Date	Apr 1, 2020
Instrument	5578161
Transaction Type	Transfer
Record Updated	May 7, 2020
Title Company	ATTORNEY ONLY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,181.00
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1040 WINDSOR ST SUN PRAIRIE WI 535902053, SUN PRAIRIE, WI 53590-2053

Mortgage

Document Number	5578162
Date	Apr 15, 2020
Instrument	5578162

Lender

Name	JACK & LAVONNE FTN REV TR (RT)

Agreement

Amount	Amount Recorded

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Wisconsin
County	Dane County
Municipality	Sun Prairie City
Unified School District	Sun Prairie Area School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$11,642.00 (+14.09%)	$579,200 (-) Land $493,000 Building $86,200	$656,900 (+13.42%)
2023		$579,200 Land $493,000 Building $86,200	$579,200
2022	$10,204.00

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 September 20, 2026

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	Not rated no burnable land 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	SUN PRAIRIE UTILITIES serves 39,300 people · EPA ID WI1130258
Water Source	Groundwater
Last State Inspection	Feb 2026
Lead	3 ppb (2023) action level 15 ppb

Violations Reported to EPA

Water Quality	Fluoride resolved · Jan 2023
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 283 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
TDS Telecom Fiber	8,000 / 8,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20

May also be available: Bertram Communications, Frontier, LiteWire, Verizon.

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