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Single Family ResidenceResidential
$376,247
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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $162,000 on May 11, 2005

S12221 ROUND RIVER TRL

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

Valuation

$376K
$328K low$424K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$162,000 · May 11, 2005
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$232,247
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$185,798
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.38%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$144,000
BANK OF PRAIRIE DU SAC · recorded Jul 29, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,138 (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.$239,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$54,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$185,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$239,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$286,495

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.2.09

Transaction History(1)

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 · 8.4 mi
M
River Valley Middle SchoolA
Middle · Grades 5–8 · 8.4 mi
E
River Valley Elementary SchoolD
Elementary · Grades 1–4 · 8.5 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

S12221 Round River Trl 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.

  • Has a bigger lot than 78% 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
$135K$1.2M

This home is worth more than 50% 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$376,247
CheaperTypical $377,247Pricier

Pricier than 50% of homes nearby

Lot size2.09 ac
SmallerTypical 1.25 acBigger

Bigger than 61% of homes nearby

How S12221 Round River Trl ranks against every home in each area.
MeasureThis homeSpring Green 53588Sauk County
Estimated valuepricier than$376,24750% of homes63% of homes
Lot sizebigger than2.09 ac61% of homes78% of homes

About S12221 Round River Trl

How much is S12221 Round River Trl, Spring Green, WI worth?

The TopHap Estimate for S12221 Round River Trl, Spring Green, WI is $376,247 as of Jul 14, 2026. The likely range is $328,348 to $424,146. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did S12221 Round River Trl, Spring Green, WI last sell?

S12221 Round River Trl, Spring Green, WI last sold on May 11, 2005 for $162,000, according to the county's recorded deed.

What schools serve S12221 Round River Trl, Spring Green, WI?

S12221 Round River Trl, Spring Green, WI is assigned to River Valley High School (high), rated B+; River Valley Middle School (middle), rated A; River Valley Elementary School (elementary), rated D. All sit in River Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does S12221 Round River Trl, 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 50% of them ($376,247 against a typical $377,247) and its lot is bigger than 61% of them (2.09 ac against a typical 1.25 ac). Measured against all of Sauk County, it is worth more than 63% 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 S12221 Round River Trl, Spring Green, WI?

The 2025 property tax bill for S12221 Round River Trl, Spring Green, WI was $3,138. The county assessed it at $239,500.

Closest homes

More homes in Spring Green 53588

Assigned schools

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