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Residential (General/Single)Residential
$480,062
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 Sep 24, 2026
Last sold for $240,000 on May 21, 2009

E3870 COUNTY ROAD B

SPRING GREEN, WI 53588
0
Baths
27.66 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$480K
$414K low$546K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$240,000 · May 21, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,431 (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.$374,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$50,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$324,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$301,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$486,843

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountySauk
Lot (acres)The size of the land the home sits on, from county records.27.66

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.

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

H
River Valley High SchoolB+
High · Grades 9–12 · 5.7 mi
E
River Valley Elementary SchoolD
Elementary · Grades 1–4 · 5.8 mi
M
River Valley Middle SchoolA
Middle · Grades 5–8 · 5.9 mi

District: River Valley School District

Neighborhood · ZIP 53588These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
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.4,659
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.32 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$85,298
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,285
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

E3870 County Road B 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 80% of homes in Sauk County
  • Has a bigger lot than 96% of homes in Sauk County

What homes are worth in Spring Green 53588

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

This home
$140K$1.1M

This home is worth more than 70% of homes in Spring Green 53588.

How it measures up in Spring Green 53588

The dot is this home. The mark in the middle is the typical home in Spring Green 53588.

Estimated value$480,062
CheaperTypical $388,467Pricier

Pricier than 70% of homes nearby

Lot size27.66 ac
SmallerTypical 1.2 acBigger

Bigger than 89% of homes nearby

How E3870 County Road B ranks against every home in each area.
MeasureThis homeSpring Green 53588Sauk County
Estimated valuepricier than$480,06270% of homes80% of homes
Lot sizebigger than27.66 ac89% of homes96% of homes

About E3870 County Road B

How much is E3870 County Road B, Spring Green, WI worth?

The TopHap Estimate for E3870 County Road B, Spring Green, WI is $480,062 as of Sep 24, 2026. The likely range is $414,395 to $545,729. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did E3870 County Road B, Spring Green, WI last sell?

E3870 County Road B, Spring Green, WI last sold on May 21, 2009 for $240,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve E3870 County Road B, Spring Green, WI?

E3870 County Road B, Spring Green, WI is assigned to River Valley High School (high), rated B+; River Valley Elementary School (elementary), rated D; River Valley Middle School (middle), rated A. All sit in River Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does E3870 County Road B, Spring Green, WI compare to other homes in Spring Green 53588?

Among the 1,613 homes in Spring Green 53588, it is worth more than 70% of them ($480,062 against a typical $388,467) and its lot is bigger than 89% of them (27.66 ac against a typical 1.2 ac). Measured against all of Sauk County, it is worth more than 80% 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 E3870 County Road B, Spring Green, WI?

The 2025 property tax bill for E3870 County Road B, Spring Green, WI was $5,431. The county assessed it at $374,800.

More homes on E3870 County Road B

Closest homes

More homes in Spring Green 53588

Assigned schools

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See this home in context

Open E3870 County Road B on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

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