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Duplex (2 Units, Any Combination)Residential
Last sold for $284,900 on Feb 25, 2025

3204 THAMES LN

JANESVILLE, WI 53546
4
Beds
4
Baths
2,814 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$284,900 · Feb 25, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,955 (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.$387,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$357,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$412,290

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyROCK
Lot (acres)The size of the land the home sits on, from county records.0.30
HeatingThe type of heating system in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

M
Marshall Middle SchoolC
Middle · Grades 6–8 · 2.2 mi
E
Monroe Elementary SchoolA
Elementary · Grades KG–5 · 2.3 mi
H
Craig High SchoolC
High · Grades 9–12 · 3.1 mi

District: Janesville School District

Neighborhood · ZIP 53546These 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.102
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.32

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.31,634
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.403 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,028
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,718
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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

3204 Thames Ln 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.

  • Bigger than 97% of homes in Janesville 53546
  • Has a bigger lot than 70% of homes in Janesville 53546
  • Newer than 75% of homes in Rock County

How it measures up in Janesville 53546

The dot is this home. The mark in the middle is the typical home in Janesville 53546.

Living area2,814 ft²
SmallerTypical 1,365 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.3 ac
SmallerTypical 0.25 acBigger

Bigger than 70% of homes nearby

Year built1989
OlderTypical 1986Newer

Newer than 55% of homes nearby

How 3204 Thames Ln ranks against every home in each area.
MeasureThis homeJanesville 53546Rock County
Living areabigger than2,814 ft²97% of homes95% of homes
Lot sizebigger than0.3 ac70% of homes59% of homes
Year builtnewer than198955% of homes75% of homes

About 3204 Thames Ln

When did 3204 Thames Ln, Janesville, WI last sell?

3204 Thames Ln, Janesville, WI last sold on Feb 25, 2025 for $284,900, according to the county's recorded deed.

How big is 3204 Thames Ln, Janesville, WI?

3204 Thames Ln, Janesville, WI has 4 bedrooms, 4 bathrooms, 2,814 square feet of living space and a 0.30-acre lot.

When was 3204 Thames Ln, Janesville, WI built?

3204 Thames Ln, Janesville, WI was built in 1989, making it 37 years old. It is a ranch home. The building has 1 story.

What schools serve 3204 Thames Ln, Janesville, WI?

3204 Thames Ln, Janesville, WI is assigned to Marshall Middle School (middle), rated C; Monroe Elementary School (elementary), rated A; Craig High School (high), rated C. All sit in Janesville School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3204 Thames Ln, Janesville, WI compare to other homes in Janesville 53546?

Among the 10,824 homes in Janesville 53546, it is bigger than 97% of them (2,814 ft² against a typical 1,365 ft²), its lot is bigger than 70% of them (0.3 ac against a typical 0.25 ac) and it is newer than 55% of them (1989 against a typical 1986). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3204 Thames Ln, Janesville, WI?

The 2025 property tax bill for 3204 Thames Ln, Janesville, WI was $6,955. The county assessed it at $387,800.

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