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Duplex (2 Units, Any Combination)Residential
Last sold for $110,000 on Jan 26, 2026

1230 FIR ST

JANESVILLE, WI 53546
6
Beds
3 / 2
Baths
2,201 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
2014
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$110,000 · Jan 26, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,379 (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.$356,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$23,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$332,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$378,482

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.Duplex Single
CountyROCK
Lot (acres)The size of the land the home sits on, from county records.0.29
HeatingThe type of heating system in the home.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 · 180 ft²Patio · 180 ft²Porch · 48 ft²

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.

E
Lincoln Elementary SchoolD
Elementary · Grades KG–5 · 0.6 mi
M
Edison Middle SchoolC
Middle · Grades 6–8 · 0.7 mi
H
Parker High SchoolD-
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

1230 Fir 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 Janesville 53546
  • Has a bigger lot than 68% of homes in Janesville 53546
  • Newer than 97% 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 area2,201 ft²
SmallerTypical 1,362 ft²Bigger

Bigger than 90% of homes nearby

Lot size0.29 ac
SmallerTypical 0.25 acBigger

Bigger than 68% of homes nearby

Year built2014
OlderTypical 1986Newer

Newer than 96% of homes nearby

How 1230 Fir St ranks against every home in each area.
MeasureThis homeJanesville 53546Rock County
Living areabigger than2,201 ft²90% of homes87% of homes
Lot sizebigger than0.29 ac68% of homes59% of homes
Year builtnewer than201496% of homes97% of homes

About 1230 Fir St

When did 1230 Fir St, Janesville, WI last sell?

1230 Fir St, Janesville, WI last sold on Jan 26, 2026 for $110,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 1230 Fir St, Janesville, WI?

1230 Fir St, Janesville, WI has 6 bedrooms, 3 bathrooms, 2,201 square feet of living space and a 0.29-acre lot.

When was 1230 Fir St, Janesville, WI built?

1230 Fir St, Janesville, WI was built in 2014, making it 12 years old. It is a duplex single home. The building has 1 story.

What schools serve 1230 Fir St, Janesville, WI?

1230 Fir St, Janesville, WI is assigned to Lincoln Elementary School (elementary), rated D; Edison Middle School (middle), rated C; 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 1230 Fir St, Janesville, WI compare to other homes in Janesville 53546?

Among the 10,824 homes in Janesville 53546, it is bigger than 90% of them (2,201 ft² against a typical 1,362 ft²), its lot is bigger than 68% of them (0.29 ac against a typical 0.25 ac) and it is newer than 96% of them (2014 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 1230 Fir St, Janesville, WI?

The 2025 property tax bill for 1230 Fir St, Janesville, WI was $6,379. The county assessed it at $356,000.

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Assigned schools

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