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Single Family ResidenceResidential
$188,353
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 86How 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 $85,000 on Apr 1, 2019

640 MILL ST

LA VALLE, WI 53941
0
Baths
0.8 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$188K
$162K low$215K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$85,000 · Apr 1, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,236 (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.$91,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$75,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$91,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$173,891

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySauk
Lot (acres)The size of the land the home sits on, from county records.0.80

Transaction History(4)

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(1)

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

E
West Side Elementary School
Elementary · Grades PK–2 · 6.0 mi
H
Reedsburg Area High SchoolC+
High · Grades 9–12 · 6.3 mi
M
Webb Middle SchoolB-
Middle · Grades 6–8 · 6.6 mi

District: Reedsburg School District

Neighborhood · ZIP 53941These 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.139
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.14

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.66%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
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.2,855
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.39 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,170
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,579
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

640 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 85% of homes in Sauk County

What homes are worth in La Valle 53941

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

This home
$72K$875K

This home is worth more than 22% of homes in La Valle 53941.

How it measures up in La Valle 53941

The dot is this home. The mark in the middle is the typical home in La Valle 53941.

Estimated value$188,353
CheaperTypical $344,512Pricier

Pricier than 22% of homes nearby

Lot size0.8 ac
SmallerTypical 0.76 acBigger

Bigger than 52% of homes nearby

How 640 Mill St ranks against every home in each area.
MeasureThis homeLa Valle 53941Sauk County
Estimated valuepricier than$188,35322% of homes15% of homes
Lot sizebigger than0.8 ac52% of homes61% of homes

About 640 Mill St

How much is 640 Mill St, La Valle, WI worth?

The TopHap Estimate for 640 Mill St, La Valle, WI is $188,353 as of Aug 30, 2026. The likely range is $161,537 to $215,169. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Mill St, La Valle, WI last sell?

640 Mill St, La Valle, WI last sold on Apr 1, 2019 for $85,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 640 Mill St, La Valle, WI?

640 Mill St, La Valle, WI is assigned to West Side Elementary School (elementary); Reedsburg Area High School (high), rated C+; Webb Middle School (middle), rated B-. All sit in Reedsburg School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 Mill St, La Valle, WI compare to other homes in La Valle 53941?

Among the 1,989 homes in La Valle 53941, it is worth more than 22% of them ($188,353 against a typical $344,512) and its lot is bigger than 52% of them (0.8 ac against a typical 0.76 ac). Measured against all of Sauk County, it is worth more than 15% 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 640 Mill St, La Valle, WI?

The 2025 property tax bill for 640 Mill St, La Valle, WI was $2,236. The county assessed it at $91,500.

More homes on Mill St

Closest homes

More homes in La Valle 53941

Assigned schools

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