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Single Family ResidenceResidential
$438,911$266 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $401,000 on Jul 8, 2024

601 TAMMY ST

JANESVILLE, IA 50647
4
Beds
3 / 2
Baths
1,652 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$439K
$403K low$475K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$401,000 · Jul 8, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,998 (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.$396,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$71,950
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$324,050
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$324,490
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$396,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBREMER
Lot (acres)The size of the land the home sits on, from county records.0.27
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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, Attached
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 · 120 ft²Patio · 116 ft²Porch · 24 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.

M
Janesville Junior-Senior High SchoolA-
Middle · Grades 6–12 · 0.3 mi
E
Janesville Elementary SchoolB+
Elementary · Grades PK–5 · 0.3 mi

District: Janesville Consolidated School District

Neighborhood · ZIP 50647These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.10

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.6%
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.2,480
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.80 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,982
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,277
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.34 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

601 Tammy 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.

  • Worth more than 90% of homes in Janesville 50647
  • Costs more per square foot than 90% of homes in Bremer County
  • Has a smaller lot than 69% of homes in Janesville 50647
  • Newer than 92% of homes in Bremer County

What homes are worth in Janesville 50647

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

This home
$90K$620K

This home is worth more than 90% of homes in Janesville 50647.

How it measures up in Janesville 50647

The dot is this home. The mark in the middle is the typical home in Janesville 50647.

Estimated value$438,911
CheaperTypical $262,159Pricier

Pricier than 90% of homes nearby

Price per ft²$266
CheaperTypical $182Pricier

Pricier than 86% of homes nearby

Living area1,652 ft²
SmallerTypical 1,480 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.27 ac
SmallerTypical 0.65 acBigger

Bigger than 31% of homes nearby

Year built2012
OlderTypical 1975Newer

Newer than 91% of homes nearby

How 601 Tammy St ranks against every home in each area.
MeasureThis homeJanesville 50647Bremer County
Estimated valuepricier than$438,91190% of homes89% of homes
Price per ft²pricier than$26686% of homes90% of homes
Living areabigger than1,652 ft²63% of homes60% of homes
Lot sizebigger than0.27 ac31% of homes41% of homes
Year builtnewer than201291% of homes92% of homes

About 601 Tammy St

How much is 601 Tammy St, Janesville, IA worth?

The TopHap Estimate for 601 Tammy St, Janesville, IA is $438,911 as of Sep 24, 2026. The likely range is $403,289 to $474,533. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 601 Tammy St, Janesville, IA last sell?

601 Tammy St, Janesville, IA last sold on Jul 8, 2024 for $401,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 601 Tammy St, Janesville, IA?

601 Tammy St, Janesville, IA has 4 bedrooms, 3 bathrooms, 1,652 square feet of living space and a 0.27-acre lot.

When was 601 Tammy St, Janesville, IA built?

601 Tammy St, Janesville, IA was built in 2012, making it 14 years old. The building has 1 story.

What schools serve 601 Tammy St, Janesville, IA?

601 Tammy St, Janesville, IA is assigned to Janesville Junior-Senior High School (middle), rated A-; Janesville Elementary School (elementary), rated B+. All sit in Janesville Consolidated School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 601 Tammy St, Janesville, IA compare to other homes in Janesville 50647?

Among the 850 homes in Janesville 50647, it is worth more than 90% of them ($438,911 against a typical $262,159), its price per square foot is higher than 86% of them ($266 against a typical $182), it is bigger than 63% of them (1,652 ft² against a typical 1,480 ft²), its lot is bigger than 31% of them (0.27 ac against a typical 0.65 ac) and it is newer than 91% of them (2012 against a typical 1975). Measured against all of Bremer County, it is worth more than 89% 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 601 Tammy St, Janesville, IA?

The 2025 property tax bill for 601 Tammy St, Janesville, IA was $5,998. The county assessed it at $396,000.

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