Duplex (2 Units, Any Combination)Residential
102 ROCK ST
JANESVILLE, WI 53548
4
Beds
2
Baths
1,736 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1865
Year BuiltThe year the home was originally built, according to county records.
2
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.
Valuation
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.$78,000
FAIRWAY INDEPENDENT MTG CORP · recorded Dec 13, 2021
2nd 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.$15,000
TRUSTONE FINANCIAL FCU
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,342 (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.$133,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$117,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$133,100
Climate Risk
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.39 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone
Scores 0–100; higher = greater projected risk.
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.Old Style
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.1873
Lot (acres)The size of the land the home sits on, from county records.0.20
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.Deck · 208 ft²Patio · 208 ft²
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.Foreclosure Filings(1)
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
EMH
Wilson Elementary SchoolD
Elementary · Grades KG–5 · 0.4 mi
Franklin Middle SchoolC-
Middle · Grades 6–8 · 1.6 mi
Parker High SchoolD+
High · Grades 9–12 · 2.2 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%
Ownership
OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes
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
102 Rock 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 73% of homes in Rock County
- Has a smaller lot than 69% of homes in Rock County
- Among the oldest 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 area1,736 ft²
SmallerTypical 1,446 ft²Bigger
Bigger than 68% of homes nearby
Lot size0.2 ac
SmallerTypical 0.25 acBigger
Bigger than 38% of homes nearby
Year built1865
OlderTypical 1963Newer
Newer than 3% of homes nearby
| Measure | This home | Janesville 53548 | Rock County |
|---|---|---|---|
| Living areabigger than | 1,736 ft² | 68% of homes | 73% of homes |
| Lot sizebigger than | 0.2 ac | 38% of homes | 31% of homes |
| Year builtnewer than | 1865 | 3% of homes | almost no homes |
About 102 Rock St
How big is 102 Rock St, Janesville, WI?
102 Rock St, Janesville, WI has 4 bedrooms, 2 bathrooms, 1,736 square feet of living space and a 0.20-acre lot.
When was 102 Rock St, Janesville, WI built?
102 Rock St, Janesville, WI was built in 1865, making it 161 years old. It is a old style home. The building has 2 stories.
What schools serve 102 Rock St, Janesville, WI?
102 Rock St, Janesville, WI is assigned to Wilson Elementary School (elementary), rated D; Franklin 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 102 Rock St, Janesville, WI compare to other homes in Janesville 53548?
Among the 6,715 homes in Janesville 53548, it is bigger than 68% of them (1,736 ft² against a typical 1,446 ft²), its lot is bigger than 38% of them (0.2 ac against a typical 0.25 ac) and it is newer than 3% of them (1865 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 102 Rock St, Janesville, WI?
The 2025 property tax bill for 102 Rock St, Janesville, WI was $2,342. The county assessed it at $133,100.
More homes on Rock St
- 304 Rock St$159K3 bd · 2 ba · 1,038 ft² · Sold $70K · Jul 2026
- 208 Rock St$182K3 bd · 1 ba · 1,316 ft² · Sold $170K · Oct 2025
- 321 Rock St5 bd · 2 ba · 2,685 ft² · Sold $130K · Oct 2023
- 405 Rock St$167K4 bd · 1 ba · 1,240 ft² · Sold Jul 2023
- 209 Rock St4 bd · 2 ba · 1,598 ft² · Sold $49K · Aug 2013
- 320 Rock St4 bd · 2 ba · 1,540 ft² · Sold $25K · Nov 2011
- 215 Rock St4 bd · 2 ba · 2,060 ft² · Sold Jul 2008
- 115 Rock St$119K6 bd · 1 ba · 2,300 ft² · Sold $30K · Oct 1994
Closest homes
- 266 S River St$69K66 ft · 3 bd · 1 ba · 960 ft²
- 254 S River St$94K134 ft · 3 bd · 1 ba · 1,372 ft²
- 271 S Franklin St133 ft · 4 bd · 2 ba · 1,745 ft² · Sold $210K · May 2021
- 115 Rock St$119K168 ft · 6 bd · 1 ba · 2,300 ft² · Sold $30K · Oct 1994
- 265 S Franklin St$130K141 ft · 2 bd · 2 ba · 998 ft² · Sold Oct 2014
- 303 S Franklin St$146K215 ft · 3 bd · 1 ba · 1,260 ft² · Sold $86K · Aug 2020
- 252 S River St$101K200 ft · 4 bd · 1 ba · 1,856 ft² · Sold $60K · Apr 2007
- 259 S Franklin St$131K175 ft · 2 bd · 1 ba · 1,316 ft² · Sold May 2000
More homes in Janesville 53548
- 201 N Marion Ave6 bd · 2.5 ba · 2,268 ft² · Sold $400K · Jul 2026
- 106 N Palm St5 bd · 4.5 ba · 2,596 ft² · Sold $360K · Jul 2026
- 6800 W Thornapple Dr$550K2.61 ac · Sold $547K · Jul 2026
- 288 Riverside St$210K3 bd · 1 ba · 904 ft² · Sold $213K · Jul 2026
- 820 Waveland Rd0.41 ac · Sold $528K · Jul 2026
- 456 N Chatham St3 bd · 2 ba · 1,603 ft² · Sold $95K · Jul 2026
- 402 Ravine St3 bd · 3 ba · 1,758 ft² · Sold $35K · Jul 2026
- 156 Cherry St4 bd · 3 ba · 2,480 ft² · Sold $280K · Jul 2026
- 105 N Willard Ave$270K3 bd · 1 ba · 1,352 ft² · Sold $270K · Jul 2026
- 2726 Greenway Cir0.49 ac · Sold $183K · Jul 2026
- 2750 Greenway Cir0.59 ac · Sold $183K · Jul 2026
- 119 S Grant Ave$108K3 bd · 2 ba · 1,472 ft² · Sold $45K · Jul 2026
Assigned schools
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