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Single Family ResidenceResidential
$399,682$249 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $215,000 on Nov 23, 2016

327 TRAPP ST

SUN PRAIRIE, WI 53590
3
Beds
2 / 1
Baths
1,602 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$400K
$391K low$408K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$215,000 · Nov 23, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,136 (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.$361,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$74,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$286,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$361,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$410,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyDane
Lot (acres)The size of the land the home sits on, from county records.0.30
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 80 ft²

Transaction History(3)

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

Foreclosure Filings(3)

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

E
Northside Elementary SchoolD
Elementary · Grades PK–5 · 0.6 mi
M
Patrick Marsh Middle SchoolC+
Middle · Grades 6–8 · 0.6 mi
H
Sun Prairie East High SchoolD+
High · Grades 9–12 · 1.7 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

327 Trapp 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.

  • Costs less per square foot than 70% of homes in Memorial Heights
  • Bigger than 70% of homes in Memorial Heights
  • Has a bigger lot than 67% of homes in Memorial Heights
  • Newer than 91% of homes in Memorial Heights

What homes are worth in Sun Prairie 53590

Each bar is how many homes fall in that price range. The marker is this home.

This home
$247K$898K

This home is worth more than 36% of homes 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.

Estimated value$399,682
CheaperTypical $439,473Pricier

Pricier than 36% of homes nearby

Price per ft²$249
CheaperTypical $263Pricier

Pricier than 42% of homes nearby

Living area1,602 ft²
SmallerTypical 1,503 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.3 ac
SmallerTypical 0.26 acBigger

Bigger than 60% of homes nearby

Year built1966
OlderTypical 1994Newer

Newer than 19% of homes nearby

How 327 Trapp St ranks against every home in each area.
MeasureThis homeMemorial HeightsSun Prairie 53590Dane County
Estimated valuepricier than$399,68253% of homes36% of homes40% of homes
Price per ft²pricier than$24930% of homes42% of homes52% of homes
Living areabigger than1,602 ft²70% of homes59% of homes44% of homes
Lot sizebigger than0.3 ac67% of homes60% of homes61% of homes
Year builtnewer than196691% of homes19% of homes40% of homes

About 327 Trapp St

How much is 327 Trapp St, Sun Prairie, WI worth?

The TopHap Estimate for 327 Trapp St, Sun Prairie, WI is $399,682 as of Sep 24, 2026. The likely range is $391,238 to $408,126. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 327 Trapp St, Sun Prairie, WI last sell?

327 Trapp St, Sun Prairie, WI last sold on Nov 23, 2016 for $215,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 327 Trapp St, Sun Prairie, WI?

327 Trapp St, Sun Prairie, WI has 3 bedrooms, 2 bathrooms, 1,602 square feet of living space and a 0.30-acre lot.

When was 327 Trapp St, Sun Prairie, WI built?

327 Trapp St, Sun Prairie, WI was built in 1966, making it 60 years old. It is a ranch home. The building has 1 story.

What schools serve 327 Trapp St, Sun Prairie, WI?

327 Trapp St, Sun Prairie, WI is assigned to Northside Elementary School (elementary), rated D; Patrick Marsh Middle School (middle), rated C+; Sun Prairie East 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.

How does 327 Trapp St, Sun Prairie, WI compare to other homes in Sun Prairie 53590?

Among the 13,568 homes in Sun Prairie 53590, it is worth more than 36% of them ($399,682 against a typical $439,473), its price per square foot is higher than 42% of them ($249 against a typical $263), it is bigger than 59% of them (1,602 ft² against a typical 1,503 ft²), its lot is bigger than 60% of them (0.3 ac against a typical 0.26 ac) and it is newer than 19% of them (1966 against a typical 1994). Measured against all of Dane County, it is worth more than 40% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 327 Trapp St, Sun Prairie, WI?

The 2025 property tax bill for 327 Trapp St, Sun Prairie, WI was $7,136. The county assessed it at $361,500.

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