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Residential (General/Single)Residential
$54,435$46 / 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 62How 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

307 MILL ST

HAMILTON, IA 50116
3
Beds
1
Baths
1,175 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.
1910
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$54K
$34K low$75K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$514 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$74,260 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$70,660
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$41,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$74,260

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyMarion
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.Wood Frame
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Stone (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.Patio · 49 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.

M
Twin Cedars Jr-Sr High SchoolD+
Middle · Grades 7–12 · 2.8 mi
E
Twin Cedars Elementary SchoolD+
Elementary · Grades PK–6 · 2.9 mi

District: Twin Cedars Community School District

Neighborhood · ZIP 50116These 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.153
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.13

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.8%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.323
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.20 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,514
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,196
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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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

307 Mill 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 less than 97% of homes in Marion County
  • Costs less per square foot than 98% of homes in Marion County
  • Smaller than 69% of homes in Marion County
  • Has a smaller lot than 77% of homes in Hamilton 50116
  • Older than 89% of homes in Marion County

What homes are worth in Hamilton 50116

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

This home
$38K$488K

This home is worth more than 17% of homes in Hamilton 50116.

How it measures up in Hamilton 50116

The dot is this home. The mark in the middle is the typical home in Hamilton 50116.

Estimated value$54,435
CheaperTypical $98,330Pricier

Pricier than 17% of homes nearby

Price per ft²$46
CheaperTypical $79Pricier

Pricier than 11% of homes nearby

Living area1,175 ft²
SmallerTypical 1,323 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.41 ac
SmallerTypical 1.44 acBigger

Bigger than 23% of homes nearby

Year built1910
OlderTypical 1979Newer

Newer than 21% of homes nearby

How 307 Mill St ranks against every home in each area.
MeasureThis homeHamilton 50116Marion County
Estimated valuepricier than$54,43517% of homes3% of homes
Price per ft²pricier than$4611% of homes2% of homes
Living areabigger than1,175 ft²39% of homes31% of homes
Lot sizebigger than0.41 ac23% of homes55% of homes
Year builtnewer than191021% of homes11% of homes

About 307 Mill St

How much is 307 Mill St, Hamilton, IA worth?

The TopHap Estimate for 307 Mill St, Hamilton, IA is $54,435 as of Sep 24, 2026. The likely range is $33,585 to $75,285. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 Mill St, Hamilton, IA last sell?

307 Mill St, Hamilton, IA last sold on May 2, 2023, according to the county's recorded deed.

How big is 307 Mill St, Hamilton, IA?

307 Mill St, Hamilton, IA has 3 bedrooms, 1 bathrooms, 1,175 square feet of living space and a 0.41-acre lot.

When was 307 Mill St, Hamilton, IA built?

307 Mill St, Hamilton, IA was built in 1910, making it 116 years old. It is a ranch home. The building has 1 story.

What schools serve 307 Mill St, Hamilton, IA?

307 Mill St, Hamilton, IA is assigned to Twin Cedars Jr-Sr High School (middle), rated D+; Twin Cedars Elementary School (elementary), rated D+. All sit in Twin Cedars Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 307 Mill St, Hamilton, IA compare to other homes in Hamilton 50116?

Among the 183 homes in Hamilton 50116, it is worth more than 17% of them ($54,435 against a typical $98,330), its price per square foot is higher than 11% of them ($46 against a typical $79), it is bigger than 39% of them (1,175 ft² against a typical 1,323 ft²), its lot is bigger than 23% of them (0.41 ac against a typical 1.44 ac) and it is newer than 21% of them (1910 against a typical 1979). Measured against all of Marion County, it is worth more than 3% 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 307 Mill St, Hamilton, IA?

The 2024 property tax bill for 307 Mill St, Hamilton, IA was $514. The county assessed it at $74,260.

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Assigned schools

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