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Single Family ResidenceResidential
$146,097$124 / 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 84How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

312 N MAIN ST

ONSLOW, IA 52321
3
Beds
1
Baths
1,176 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
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

$146K
$123K low$169K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,358 (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.$81,060 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,030
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$78,030
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$69,560
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$81,060

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyJONES
Lot (acres)The size of the land the home sits on, from county records.0.16
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

M
Midland Middle / High SchoolD+
Middle · Grades 6–12 · 3.5 mi
E
Midland ElementaryB+
Elementary · Grades PK–5 · 9.0 mi

District: Midland Community School District

Neighborhood · ZIP 52321These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.17

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.20%
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.1.3%
PopulationHow many people live in this area.432
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.14 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,769
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,770
Average tempThe average temperature here across a full year.48°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.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

312 N Main 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 70% of homes in Jones County
  • Smaller than 74% of homes in Jones County
  • Has a smaller lot than 92% of homes in Onslow 52321
  • Older than 87% of homes in Onslow 52321

What homes are worth in Onslow 52321

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

This home
$46K$537K

This home is worth more than 44% of homes in Onslow 52321.

How it measures up in Onslow 52321

The dot is this home. The mark in the middle is the typical home in Onslow 52321.

Estimated value$146,097
CheaperTypical $163,757Pricier

Pricier than 44% of homes nearby

Price per ft²$124
CheaperTypical $116Pricier

Pricier than 55% of homes nearby

Living area1,176 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 28% of homes nearby

Lot size0.16 ac
SmallerTypical 1.31 acBigger

Bigger than 8% of homes nearby

Year built2007
OlderTypical 2013Newer

Newer than 13% of homes nearby

How 312 N Main St ranks against every home in each area.
MeasureThis homeOnslow 52321Jones County
Estimated valuepricier than$146,09744% of homes30% of homes
Price per ft²pricier than$12455% of homes38% of homes
Living areabigger than1,176 ft²28% of homes26% of homes
Lot sizebigger than0.16 ac8% of homes12% of homes
Year builtnewer than200713% of homes13% of homes

About 312 N Main St

How much is 312 N Main St, Onslow, IA worth?

The TopHap Estimate for 312 N Main St, Onslow, IA is $146,097 as of Aug 30, 2026. The likely range is $123,427 to $168,767. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 312 N Main St, Onslow, IA last sell?

312 N Main St, Onslow, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 312 N Main St, Onslow, IA?

312 N Main St, Onslow, IA has 3 bedrooms, 1 bathrooms, 1,176 square feet of living space and a 0.16-acre lot.

When was 312 N Main St, Onslow, IA built?

312 N Main St, Onslow, IA was built in 2007, making it 19 years old. The building has 1 story.

What schools serve 312 N Main St, Onslow, IA?

312 N Main St, Onslow, IA is assigned to Midland Middle / High School (middle), rated D+; Midland Elementary (elementary), rated B+. All sit in Midland Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 312 N Main St, Onslow, IA compare to other homes in Onslow 52321?

Among the 208 homes in Onslow 52321, it is worth more than 44% of them ($146,097 against a typical $163,757), its price per square foot is higher than 55% of them ($124 against a typical $116), it is bigger than 28% of them (1,176 ft² against a typical 1,500 ft²), its lot is bigger than 8% of them (0.16 ac against a typical 1.31 ac) and it is newer than 13% of them (2007 against a typical 2013). Measured against all of Jones County, it is worth more than 30% 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 312 N Main St, Onslow, IA?

The 2025 property tax bill for 312 N Main St, Onslow, IA was $1,358. The county assessed it at $81,060.

More homes on N Main St

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More homes in Onslow 52321

Assigned schools

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