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Single Family ResidenceResidential
$241,094$158 / 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 82How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

511 1ST ST NW

JANESVILLE, IA 50647
3
Beds
4 / 2
Baths
1,522 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.
0.41 ac
Lot SizeThe size of the land the home sits on, from county records.
1996
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$241K
$198K low$284K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,396 (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.$324,670 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$27,970
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$296,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$291,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$324,670

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.0.41
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
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
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.GazeboDeck · 140 ft²Porch · 60 ft²

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 · 0.6 mi
E
Janesville Elementary SchoolB+
Elementary · Grades PK–5 · 0.6 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

511 1st St Nw 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.

  • Newer than 77% 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
$88K$616K

This home is worth more than 44% 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$241,094
CheaperTypical $255,175Pricier

Pricier than 44% of homes nearby

Price per ft²$158
CheaperTypical $178Pricier

Pricier than 40% of homes nearby

Living area1,522 ft²
SmallerTypical 1,482 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.41 ac
SmallerTypical 0.65 acBigger

Bigger than 42% of homes nearby

Year built1996
OlderTypical 1975Newer

Newer than 70% of homes nearby

How 511 1st St Nw ranks against every home in each area.
MeasureThis homeJanesville 50647Bremer County
Estimated valuepricier than$241,09444% of homes54% of homes
Price per ft²pricier than$15840% of homes50% of homes
Living areabigger than1,522 ft²54% of homes50% of homes
Lot sizebigger than0.41 ac42% of homes55% of homes
Year builtnewer than199670% of homes77% of homes

About 511 1st St Nw

How much is 511 1st St Nw, Janesville, IA worth?

The TopHap Estimate for 511 1st St Nw, Janesville, IA is $241,094 as of Oct 21, 2026. The likely range is $197,695 to $284,493. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 511 1st St Nw, Janesville, IA last sell?

511 1st St Nw, Janesville, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 511 1st St Nw, Janesville, IA?

511 1st St Nw, Janesville, IA has 3 bedrooms, 4 bathrooms, 1,522 square feet of living space and a 0.41-acre lot.

When was 511 1st St Nw, Janesville, IA built?

511 1st St Nw, Janesville, IA was built in 1996, making it 30 years old. The building has 1 story.

What schools serve 511 1st St Nw, Janesville, IA?

511 1st St Nw, 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 511 1st St Nw, Janesville, IA compare to other homes in Janesville 50647?

Among the 850 homes in Janesville 50647, it is worth more than 44% of them ($241,094 against a typical $255,175), its price per square foot is higher than 40% of them ($158 against a typical $178), it is bigger than 54% of them (1,522 ft² against a typical 1,482 ft²), its lot is bigger than 42% of them (0.41 ac against a typical 0.65 ac) and it is newer than 70% of them (1996 against a typical 1975). Measured against all of Bremer County, it is worth more than 54% 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 511 1st St Nw, Janesville, IA?

The 2025 property tax bill for 511 1st St Nw, Janesville, IA was $4,396. The county assessed it at $324,670.

More homes on 1st St Nw

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Assigned schools

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