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Single Family ResidenceResidential
$396,406$257 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $158,000 on Jul 5, 2007

1233 S RIVER RD

JANESVILLE, WI 53546
3
Beds
3
Baths
1,540 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.
0.98 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
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

$396K
$362K low$431K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$158,000 · Jul 5, 2007
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$251,706
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$201,365
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.39%
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.$128,700
ASSOCIATED BANK · recorded Jul 23, 2015
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.$16,000
BANK OF MILTON

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,103 (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.$297,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$260,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$297,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.35
41
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
6
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
66
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
59
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
3
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

Scores 0–100; higher = greater projected risk.

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.Ranch
CountyRock
Lot (acres)The size of the land the home sits on, from county records.0.98
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 · 156 ft²Patio · 156 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.

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

E
Van Buren Elementary SchoolB+
Elementary · Grades KG–5 · 0.8 mi
M
Edison Middle SchoolC
Middle · Grades 6–8 · 1.0 mi
H
Parker High SchoolD+
High · Grades 9–12 · 1.8 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

1233 S River Rd 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 more than 80% of homes in Janesville 53546
  • Costs more per square foot than 89% of homes in Rock County
  • Has a bigger lot than 94% of homes in Janesville 53546
  • Newer than 85% of homes in Rock County

What homes are worth in Janesville 53546

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

This home
$137K$559K

This home is worth more than 80% of homes in Janesville 53546.

How it measures up in Janesville 53546

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

Estimated value$396,406
CheaperTypical $304,529Pricier

Pricier than 80% of homes nearby

Price per ft²$257
CheaperTypical $220Pricier

Pricier than 81% of homes nearby

Living area1,540 ft²
SmallerTypical 1,365 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.98 ac
SmallerTypical 0.25 acBigger

Bigger than 94% of homes nearby

Year built1998
OlderTypical 1986Newer

Newer than 75% of homes nearby

How 1233 S River Rd ranks against every home in each area.
MeasureThis homeJanesville 53546Rock County
Estimated valuepricier than$396,40680% of homes79% of homes
Price per ft²pricier than$25781% of homes89% of homes
Living areabigger than1,540 ft²64% of homes62% of homes
Lot sizebigger than0.98 ac94% of homes84% of homes
Year builtnewer than199875% of homes85% of homes

About 1233 S River Rd

How much is 1233 S River Rd, Janesville, WI worth?

The TopHap Estimate for 1233 S River Rd, Janesville, WI is $396,406 as of Jul 14, 2026. The likely range is $361,805 to $431,007. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1233 S River Rd, Janesville, WI last sell?

1233 S River Rd, Janesville, WI last sold on Jul 5, 2007 for $158,000, according to the county's recorded deed.

How big is 1233 S River Rd, Janesville, WI?

1233 S River Rd, Janesville, WI has 3 bedrooms, 3 bathrooms, 1,540 square feet of living space and a 0.98-acre lot.

When was 1233 S River Rd, Janesville, WI built?

1233 S River Rd, Janesville, WI was built in 1998, making it 28 years old. It is a ranch home. The building has 1 story.

What schools serve 1233 S River Rd, Janesville, WI?

1233 S River Rd, Janesville, WI is assigned to Van Buren Elementary School (elementary), rated B+; 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 1233 S River Rd, Janesville, WI compare to other homes in Janesville 53546?

Among the 10,824 homes in Janesville 53546, it is worth more than 80% of them ($396,406 against a typical $304,529), its price per square foot is higher than 81% of them ($257 against a typical $220), it is bigger than 64% of them (1,540 ft² against a typical 1,365 ft²), its lot is bigger than 94% of them (0.98 ac against a typical 0.25 ac) and it is newer than 75% of them (1998 against a typical 1986). Measured against all of Rock County, it is worth more than 79% 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 1233 S River Rd, Janesville, WI?

The 2025 property tax bill for 1233 S River Rd, Janesville, WI was $5,103. The county assessed it at $297,000.

Closest homes

More homes in Janesville 53546

Assigned schools

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