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Triplex (3 Units, Any Combination)Residential
Last sold for $251,250 on Aug 4, 2025

306 N WASHINGTON ST

JANESVILLE, WI 53548
4
Beds
3
Baths
2,382 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1888
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
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.$251,250 · Aug 4, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,678 (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.$206,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$191,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$219,966

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Triplex (3 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Triplex
CountyROCK
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1977
Lot (acres)The size of the land the home sits on, from county records.0.17
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 54 ft²Patio · 54 ft²Porch · 240 ft²

Transaction History(5)

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.

E
Madison Elementary SchoolD+
Elementary · Grades KG–5 · 0.8 mi
M
Franklin Middle SchoolD
Middle · Grades 6–8 · 0.9 mi
H
Parker High SchoolD-
High · Grades 9–12 · 1.6 mi

District: Janesville School District

Neighborhood · ZIP 53548These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.20,818
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.284 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,018
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,665
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

306 N Washington 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.

  • Bigger than 90% of homes in Rock County
  • Has a smaller lot than 81% of homes in Janesville 53548
  • Older than 96% of homes in Rock County

How it measures up in Janesville 53548

The dot is this home. The mark in the middle is the typical home in Janesville 53548.

Living area2,382 ft²
SmallerTypical 1,444 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.17 ac
SmallerTypical 0.25 acBigger

Bigger than 19% of homes nearby

Year built1888
OlderTypical 1963Newer

Newer than 9% of homes nearby

How 306 N Washington St ranks against every home in each area.
MeasureThis homeJanesville 53548Rock County
Living areabigger than2,382 ft²89% of homes90% of homes
Lot sizebigger than0.17 ac19% of homes19% of homes
Year builtnewer than18889% of homes4% of homes

About 306 N Washington St

When did 306 N Washington St, Janesville, WI last sell?

306 N Washington St, Janesville, WI last sold on Aug 4, 2025 for $251,250, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 306 N Washington St, Janesville, WI?

306 N Washington St, Janesville, WI has 4 bedrooms, 3 bathrooms, 2,382 square feet of living space and a 0.17-acre lot.

When was 306 N Washington St, Janesville, WI built?

306 N Washington St, Janesville, WI was built in 1888, making it 138 years old. It is a triplex home. The building has 2 stories.

What schools serve 306 N Washington St, Janesville, WI?

306 N Washington St, Janesville, WI is assigned to Madison 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 306 N Washington St, Janesville, WI compare to other homes in Janesville 53548?

Among the 6,715 homes in Janesville 53548, it is bigger than 89% of them (2,382 ft² against a typical 1,444 ft²), its lot is bigger than 19% of them (0.17 ac against a typical 0.25 ac) and it is newer than 9% of them (1888 against a typical 1963). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 306 N Washington St, Janesville, WI?

The 2025 property tax bill for 306 N Washington St, Janesville, WI was $3,678. The county assessed it at $206,900.

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