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Single Family ResidenceResidential
$192,041
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 78How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $310,000 on Jun 19, 2018

921 MILL ST

SPARTA, WI 54656
0
Baths
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$192K
$150K low$234K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$310,000 · Jun 19, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,394 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$169,700 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$145,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$139,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$168,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMonroe
Lot (acres)The size of the land the home sits on, from county records.0.35

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.

H
Sparta High SchoolD+
High · Grades 9–12 · 1.6 mi
M
Meadowview Middle SchoolC-
Middle · Grades 5–8 · 1.7 mi
E
Herrman Elementary SchoolD+
Elementary · Grades 1–4 · 1.8 mi

District: Sparta Area School District

Neighborhood · ZIP 54656These 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.111
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.12

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.18,088
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.65 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,766
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,743
Average tempThe average temperature here across a full year.45°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

921 Mill 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 less than 75% of homes in Sparta 54656

What homes are worth in Sparta 54656

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

This home
$75K$596K

This home is worth more than 25% of homes in Sparta 54656.

How it measures up in Sparta 54656

The dot is this home. The mark in the middle is the typical home in Sparta 54656.

Estimated value$192,041
CheaperTypical $258,289Pricier

Pricier than 25% of homes nearby

Lot size0.35 ac
SmallerTypical 0.67 acBigger

Bigger than 37% of homes nearby

How 921 Mill St ranks against every home in each area.
MeasureThis homeSparta 54656Monroe County
Estimated valuepricier than$192,04125% of homes31% of homes
Lot sizebigger than0.35 ac37% of homes36% of homes

About 921 Mill St

How much is 921 Mill St, Sparta, WI worth?

The TopHap Estimate for 921 Mill St, Sparta, WI is $192,041 as of Aug 30, 2026. The likely range is $150,190 to $233,892. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 921 Mill St, Sparta, WI last sell?

921 Mill St, Sparta, WI last sold on Jun 19, 2018 for $310,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 921 Mill St, Sparta, WI?

921 Mill St, Sparta, WI is assigned to Sparta High School (high), rated D+; Meadowview Middle School (middle), rated C-; Herrman Elementary School (elementary), rated D+. All sit in Sparta Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 921 Mill St, Sparta, WI compare to other homes in Sparta 54656?

Among the 5,843 homes in Sparta 54656, it is worth more than 25% of them ($192,041 against a typical $258,289) and its lot is bigger than 37% of them (0.35 ac against a typical 0.67 ac). Measured against all of Monroe County, it is worth more than 31% 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 921 Mill St, Sparta, WI?

The 2024 property tax bill for 921 Mill St, Sparta, WI was $2,394. The county assessed it at $169,700.

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Assigned schools

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