620 Spring St, Sun Prairie, WI 53590 Property Records

Dane County property record for 620 Spring St, Sun Prairie, WI 53590

Property Summary

Property TypeCommercial
Lot Size1.09 acres (47,742 sqft)
OwnerIndividual Name on File
Last Sale$2,150,000 (Sep 2019)
Tax Bill$40,551 (2025)
Deeds & MortgagesMay 2022 Sale
Flood ZoneZone X (minimal risk)
APN0810-123-8727-2

Property Details

APN / Parcel Number

Primary APN0810-123-8727-2
Alternative APN
  • 0810-123-8910-2

Exterior

Lot Area47,742 sqft (1.09 acres)

Location & Zoning

Street Address620 SPRING ST
CitySUN PRAIRIE
StateWI
Zip53590-9320
Property CategoryCommercial
Property TypeCommercial > Retail
Legal DescriptionLOT 1 CSM 15998 CS117/258-260 05/05/2022 F/K/A LOT 3 CSM 14528 CS100/137&140-6/5 /2017 F/K/A LOT 2 CSM 14161
Legal Range10
Legal Township08
Legal Section12
Legal SubdivisionCERTIFIED SURV MAP #14528
Legal Lot Number1-3
JurisdictionDANE WI
Township / Civil DivisionSUN PRAIRIE
Census Block Group2
Census Block2051
Census Tract11504

Owner

620 Spring St, a commercial property, is owned and occupied by an individual who bought it in September 2019.

Source: Dane County records, as of January 22, 2026

Owner of RecordIndividual Name on File
Mailing Address620 SPRING ST, SUN PRAIRIE, WI 53590-9320
OccupancyOwner Occupied
Owner TypeIndividual

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleSep 13, 2019 · Amount on File
Deed SaleSep 13, 2019 · Amount on File
Deed Document Number5521985
Record UpdatedJun 8, 2026

May 2022: Special Warranty Deed, Transfer

Document TypeSpecial Warranty Deed
JurisdictionDANE WI
Recording DateMay 17, 2022
Property Address620 SPRING ST, SUN PRAIRIE, WI 53590-9320
Document Number0005834253
Map ReferenceDOC 14528
Instrument DateMay 16, 2022
Instrument5834253
Transaction TypeTransfer
Record UpdatedMay 17, 2024
Title CompanyKNIGHT BARRY TITLE

Transaction

AmountAmount on Record
Tax$1,800.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address300 INTERNET BLVD 570, 570, FRISCO, TX 75034

Tax Assessment & Valuation

The 2025 property tax bill for 620 Spring St was $40,551.

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

Property Jurisdictions

TypeName
StateWisconsin
CountyDane County
MunicipalitySun Prairie City
Unified School DistrictSun Prairie Area School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$40,551.00$2,006,100 Land $905,200 Building $1,100,900$2,275,000
2023$2,006,100 Land $905,200 Building $1,100,900$2,006,300
2022$35,562.00

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

Flood

FEMA maps place 620 Spring St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 20, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 620 Spring St is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 99.1% of the US · lower than 97.9% of Wisconsin
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
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 SystemSUN PRAIRIE UTILITIES
serves 39,300 people · EPA ID WI1130258
Water SourceGroundwater
Last State InspectionFeb 2026
Lead3 ppb (2023)
action level 15 ppb

Violations Reported to EPA

Water QualityFluoride
resolved · Jan 2023
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 218 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
TDS Telecom
Fiber
8,000 / 8,000
Frontier
Fiber
7,000 / 7,000
Spectrum
Cable · Fiber in parts of the area
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
LiteWire
Fixed Wireless
100 / 25
T-Mobile
Fixed Wireless
100 / 20

May also be available: Bertram Communications.

Nearby Properties on Spring St

Nearby Streets

Search Property Records by Address or Parcel Number