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Single Family ResidenceResidential
$173,882$226 / ft²
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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $35,500 on Mar 1, 1988

811 THOMAS ST

JANESVILLE, WI 53545
2
Beds
1
Baths
768 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1927
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$174K
$165K low$182K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$35,500 · Mar 1, 1988

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,902 (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.$120,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$107,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$120,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Bungalow
CountyRock
Lot (acres)The size of the land the home sits on, from county records.0.10
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 112 ft²Porch · 224 ft²

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

E
Adams Elementary SchoolD
Elementary · Grades KG–5 · 0.6 mi
M
Franklin Middle SchoolD
Middle · Grades 6–8 · 1.6 mi
H
Parker High SchoolD-
High · Grades 9–12 · 2.2 mi

District: Janesville School District

Neighborhood · ZIP 53545These 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 100.30

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.22,576
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.928 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,159
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,377
Average tempThe average temperature here across a full year.47°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

811 Thomas 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 96% of homes in Janesville 53545
  • Costs more per square foot than 72% of homes in Rock County
  • Among the smallest homes in Janesville 53545
  • Has a smaller lot than 97% of homes in Janesville 53545
  • Older than 78% of homes in Janesville 53545

What homes are worth in Janesville 53545

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

This home
$160K$734K

This home is worth more than 4% of homes in Janesville 53545.

How it measures up in Janesville 53545

The dot is this home. The mark in the middle is the typical home in Janesville 53545.

Estimated value$173,882
CheaperTypical $283,493Pricier

Pricier than 4% of homes nearby

Price per ft²$226
CheaperTypical $204Pricier

Pricier than 69% of homes nearby

Living area768 ft²
SmallerTypical 1,432 ft²Bigger

Smaller than almost all homes nearby

Lot size0.1 ac
SmallerTypical 0.23 acBigger

Bigger than 3% of homes nearby

Year built1927
OlderTypical 1958Newer

Newer than 22% of homes nearby

How 811 Thomas St ranks against every home in each area.
MeasureThis homeJanesville 53545Rock County
Estimated valuepricier than$173,8824% of homes16% of homes
Price per ft²pricier than$22669% of homes72% of homes
Living areabigger than768 ft²almost no homes4% of homes
Lot sizebigger than0.1 ac3% of homes3% of homes
Year builtnewer than192722% of homes22% of homes

About 811 Thomas St

How much is 811 Thomas St, Janesville, WI worth?

The TopHap Estimate for 811 Thomas St, Janesville, WI is $173,882 as of Oct 21, 2026. The likely range is $165,463 to $182,301. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 811 Thomas St, Janesville, WI last sell?

811 Thomas St, Janesville, WI last sold on Mar 1, 1988 for $35,500, according to the county's recorded deed.

How big is 811 Thomas St, Janesville, WI?

811 Thomas St, Janesville, WI has 2 bedrooms, 1 bathrooms, 768 square feet of living space and a 0.10-acre lot.

When was 811 Thomas St, Janesville, WI built?

811 Thomas St, Janesville, WI was built in 1927, making it 99 years old. It is a bungalow home. The building has 1 story.

What schools serve 811 Thomas St, Janesville, WI?

811 Thomas St, Janesville, WI is assigned to Adams Elementary School (elementary), rated D; Franklin Middle School (middle), rated D; Parker High School (high), rated D-. All sit in Janesville School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 811 Thomas St, Janesville, WI compare to other homes in Janesville 53545?

Among the 7,842 homes in Janesville 53545, it is worth more than 4% of them ($173,882 against a typical $283,493), its price per square foot is higher than 69% of them ($226 against a typical $204), it is bigger than almost none of them (768 ft² against a typical 1,432 ft²), its lot is bigger than 3% of them (0.1 ac against a typical 0.23 ac) and it is newer than 22% of them (1927 against a typical 1958). Measured against all of Rock County, it is worth more than 16% 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 811 Thomas St, Janesville, WI?

The 2025 property tax bill for 811 Thomas St, Janesville, WI was $1,902. The county assessed it at $120,300.

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