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Commercial (General)Commercial
Last sold for $55,250,000 on Oct 1, 2026

615 SPRING ST

SUN PRAIRIE, WI 53590
0
Baths
15.38 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$55,250,000 · Oct 1, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$289,482 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$14,137,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,141,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$12,996,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$14,139,200

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Commercial (General)
CountyDANE
Lot (acres)The size of the land the home sits on, from county records.15.38
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Prairie View Middle SchoolC
Middle · Grades 6–8 · 1.0 mi
E
Royal Oaks Elementary SchoolB-
Elementary · Grades KG–5 · 1.1 mi
H
Sun Prairie West High SchoolD
High · Grades 9–12 · 1.1 mi

District: Sun Prairie Area School District

Neighborhood · ZIP 53590These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.70
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.45,977
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.667 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,632
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$119,189
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.34 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

615 Spring St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Among the largest lots in Sun Prairie 53590

How it measures up in Sun Prairie 53590

The dot is this home. The mark in the middle is the typical home in Sun Prairie 53590.

Lot size15.38 ac
SmallerTypical 0.26 acBigger

Bigger than almost all homes nearby

How 615 Spring St ranks against every home in each area.
MeasureThis homeSun Prairie 53590Dane County
Lot sizebigger than15.38 acalmost all homesalmost all homes

About 615 Spring St

When did 615 Spring St, Sun Prairie, WI last sell?

615 Spring St, Sun Prairie, WI last sold on Oct 1, 2026 for $55,250,000, according to the county's recorded deed.

What schools serve 615 Spring St, Sun Prairie, WI?

615 Spring St, Sun Prairie, WI is assigned to Prairie View Middle School (middle), rated C; Royal Oaks Elementary School (elementary), rated B-; Sun Prairie West High School (high), rated D. All sit in Sun Prairie Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 615 Spring St, Sun Prairie, WI?

The 2025 property tax bill for 615 Spring St, Sun Prairie, WI was $289,482. The county assessed it at $14,137,800.

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