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Single Family ResidenceResidential
$500,271
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 81How 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 $390,000 on Mar 22, 2023

3908 N 21ST ST

SUPERIOR, WI 54880
2
Baths
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$500K
$408K low$593K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$390,000 · Mar 22, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,762 (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.$397,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$33,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$364,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$423,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDOUGLAS
Lot (acres)The size of the land the home sits on, from county records.0.22
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
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.

E
Cooper Elementary SchoolC+
Elementary · Grades KG–5 · 0.7 mi
M
Superior Middle SchoolC-
Middle · Grades 6–8 · 2.1 mi
H
Superior High SchoolC+
High · Grades 9–12 · 2.4 mi

District: Superior School District

Neighborhood · ZIP 54880These 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.97
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 100.7

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.29,871
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.167 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,040
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$77,892
Average tempThe average temperature here across a full year.40°F
Annual precipHow much rain and melted snow falls here in a typical year.31 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

3908 N 21st 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.

  • Worth more than 97% of homes in Superior 54880
  • Has a smaller lot than 67% of homes in Douglas County

What homes are worth in Superior 54880

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

This home
$72K$565K

This home is worth more than 97% of homes in Superior 54880.

How it measures up in Superior 54880

The dot is this home. The mark in the middle is the typical home in Superior 54880.

Estimated value$500,271
CheaperTypical $218,133Pricier

Pricier than 97% of homes nearby

Lot size0.22 ac
SmallerTypical 0.19 acBigger

Bigger than 59% of homes nearby

How 3908 N 21st St ranks against every home in each area.
MeasureThis homeSuperior 54880Douglas County
Estimated valuepricier than$500,27197% of homes95% of homes
Lot sizebigger than0.22 ac59% of homes33% of homes

About 3908 N 21st St

How much is 3908 N 21st St, Superior, WI worth?

The TopHap Estimate for 3908 N 21st St, Superior, WI is $500,271 as of Sep 24, 2026. The likely range is $407,528 to $593,014. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3908 N 21st St, Superior, WI last sell?

3908 N 21st St, Superior, WI last sold on Mar 22, 2023 for $390,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3908 N 21st St, Superior, WI?

3908 N 21st St, Superior, WI has 2 bathrooms and a 0.22-acre lot.

What schools serve 3908 N 21st St, Superior, WI?

3908 N 21st St, Superior, WI is assigned to Cooper Elementary School (elementary), rated C+; Superior Middle School (middle), rated C-; Superior High School (high), rated C+. All sit in Superior School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3908 N 21st St, Superior, WI compare to other homes in Superior 54880?

Among the 10,194 homes in Superior 54880, it is worth more than 97% of them ($500,271 against a typical $218,133) and its lot is bigger than 59% of them (0.22 ac against a typical 0.19 ac). Measured against all of Douglas County, it is worth more than 95% 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 3908 N 21st St, Superior, WI?

The 2025 property tax bill for 3908 N 21st St, Superior, WI was $5,762. The county assessed it at $397,000.

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Closest homes

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Assigned schools

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