121 E Main St, Sun Prairie, WI 53590 Property Records

Dane County property record for 121 E Main St, Sun Prairie, WI 53590

Property Summary

Property Type	Commercial
Details	8,049 sqft · built 1901
Lot Size	0.091 acres (3,964 sqft)
Owner	Company Name on Record
Last Sale	$1,225,800 (Aug 2026)
Tax Bill	$21,525 (2025)
Deeds & Mortgages	Sep 2026 Mortgage Aug 2026 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`0811-054-4855-2`

Property Details

APN / Parcel Number

Primary APN	`0811-054-4855-2`
Alternative APN	`081105452863`

Interior

Stories	3 Stories
Building Area	8,049 sqft Total Area

Exterior

Year Built	Built 1901
Effective Year Built	Effective 1901
Construction Type	Masonry / Concrete Block
Lot Area	3,964 sqft (0.091 acres)
View / Lot	Highway

Utilities, Heating & Cooling

Sewer	Connected
Water Source	Commercial

Location & Zoning

Street Address	121 E MAIN ST
City	SUN PRAIRIE
State	WI
Zip	53590-2222
Property Category	Commercial
Property Type	Commercial > Retail
Local Zoning Code	CC
Legal Description	LOT 4 CSM 11958 CS73/246&249-10/26/2006 F/K/A LOT 4 & PRT LOTS 5 & 6 BLOCK 13 OR IG PLAT DESCR AS SEC 5-8-11 PRT SW1/4SE1/4 (0.090 ACRES)
Legal Range	11E
Legal Township	08N
Legal Section	05
Legal Subdivision	CERTIFIED SURV MAP 11958
Legal Block	13
Legal Lot Number	4,5,6
Jurisdiction	DANE WI
Township / Civil Division	SUN PRAIRIE
Census Block Group	2
Census Block	2011
Census Tract	11600

Owner

Source: Dane County records, as of September 24, 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	230 DUNNING ST, MADISON, WI 53704-5440
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
Sep 1, 2026	Deed of Trust, Mortgage · Conventional Mortgage PARK BANK
Aug 21, 2026	Warranty Deed, Transfer NONE LISTED ON DOCUMENT
Jun 1, 2017	Deed of Trust, Mortgage · Commercial Mortgage UNION FSLA
Sep 12, 2019	Deed of Trust, Mortgage · Commercial Mortgage UNION FEDERAL SAVINGS & LOAN

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 21, 2026 · Amount on Record
Deed Sale	Aug 21, 2026 · Amount on Record
Prior Sale	Nov 3, 2015 · Amount on Record
Deed Document Number	20266120886
Prior Transfer Date	Nov 4, 2009
Prior Transfer Doc	0004621303
Record Updated	Oct 29, 2026

September 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DANE WI
Recording Date	Sep 1, 2026
Property Address	121 E MAIN ST, SUN PRAIRIE, WI 53590-2222
Document Number	0006122849
Instrument Date	Aug 21, 2026
Instrument	20266122849
Transaction Type	Mortgage
Record Updated	Sep 24, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership, 266
Address	6707 COVERED BRIDGE TRL, SUN PRAIRIE, WI 53590-3802

Mortgage

Document Number	0006122849,
Date	Sep 1, 2026
Instrument	20266122849

Lender

Name	PARK BANK

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

Interest

Max Rate	-1%

August 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DANE WI
Recording Date	Aug 21, 2026
Property Address	121 E MAIN ST, SUN PRAIRIE, WI 53590-2222
Document Number	0006120886
Instrument Date	Aug 20, 2026
Instrument	20266120886
Transaction Type	Transfer
Record Updated	Sep 9, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Amount	Amount Recorded
Tax	$371,417.40
Amount Accuracy	Full Amount Stated
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership
Address	230 DUNNING ST, MADISON, WI 53704-5440

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DANE WI
Property Address	121 E MAIN ST, SUN PRAIRIE, WI 53590-2222
Transaction Type	Mortgage
Record Updated	Sep 8, 2022
Title Company	WISCONSIN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0005329808
Date	Jun 1, 2017
Instrument	5329808

Lender

Name	UNION FSLA
Type	Lending Institution
Address	MADISON, WI 53703

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	300 Months
Due	Jun 1, 2042

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DANE WI
Property Address	121 E MAIN ST, SUN PRAIRIE, WI 53590-2222
Transaction Type	Mortgage
Record Updated	Sep 8, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0005521523
Date	Sep 12, 2019
Instrument	5521523

Lender

Name	UNION FEDERAL SAVINGS & LOAN
Type	Lending Institution

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	300 Months
Due	Sep 1, 2044

Interest

Rate Type	Fixed Rate

Tax Assessment & Valuation

Source: Dane County assessment roll, as of March 16, 2026

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	$21,525.00 (+13.5%)	$954,800 (-) Land $35,600 Building $919,200	$1,082,800 (+13.39%)
2023		$954,800 Land $35,600 Building $919,200	$954,900
2022	$18,965.00

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 · 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	4 in force
Nearby Flood Claims	1 (2019)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Apr 2019 · rainfall accumulation

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 99.1% of the US · lower than 97.9% of Wisconsin
Wildfire Likelihood	Under 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	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 449 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
TDS Telecom Fiber	8,000 / 8,000
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

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

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