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Rural ResidenceResidential
$142,944$57 / 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 77How 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 $350,500 on May 3, 2024

6511 310TH ST

HARTLEY, IA 51346
1
Baths
2,523 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.
6.17 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.
2
StoriesHow many floors the home has above ground.

Valuation

$143K
$110K low$176K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$350,500 · May 3, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,604 (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.$176,030 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,020
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$164,010
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$135,040
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$176,030

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.46 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
StyleThe architectural style of the home, such as ranch or colonial.A-Frame
CountyO'BRIEN
Lot (acres)The size of the land the home sits on, from county records.6.17
ConstructionThe main material the home's frame and walls are built from.Steel Frame
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.None
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.

H
Hartley-Melvin-Sanborn High SchoolB-
High · Grades 9–12 · 1.3 mi
E
Hartley-Melvin-Sanborn Elementary SchoolB+
Elementary · Grades PK–4 · 1.4 mi
M
Hartley-Melvin-Sanborn Middle SchoolB-
Middle · Grades 7–8 · 2.0 mi

District: Hartley-Melvin-Sanborn Community School District

Neighborhood · ZIP 51346These 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.132
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.2,716
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.18 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,470
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$69,610
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.29 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

6511 310th 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.

  • Costs less per square foot than 88% of homes in Hartley 51346
  • Bigger than 93% of homes in Hartley 51346
  • Has a bigger lot than 88% of homes in O'Brien County
  • Older than 75% of homes in Hartley 51346

What homes are worth in Hartley 51346

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

This home
$40K$682K

This home is worth more than 50% of homes in Hartley 51346.

How it measures up in Hartley 51346

The dot is this home. The mark in the middle is the typical home in Hartley 51346.

Estimated value$142,944
CheaperTypical $146,997Pricier

Pricier than 50% of homes nearby

Price per ft²$57
CheaperTypical $103Pricier

Pricier than 12% of homes nearby

Living area2,523 ft²
SmallerTypical 1,468 ft²Bigger

Bigger than 93% of homes nearby

Lot size6.17 ac
SmallerTypical 0.29 acBigger

Bigger than 84% of homes nearby

Year built1910
OlderTypical 1940Newer

Newer than 25% of homes nearby

How 6511 310th St ranks against every home in each area.
MeasureThis homeHartley 51346O'Brien County
Estimated valuepricier than$142,94450% of homes44% of homes
Price per ft²pricier than$5712% of homes12% of homes
Living areabigger than2,523 ft²93% of homes93% of homes
Lot sizebigger than6.17 ac84% of homes88% of homes
Year builtnewer than191025% of homes25% of homes

About 6511 310th St

How much is 6511 310th St, Hartley, IA worth?

The TopHap Estimate for 6511 310th St, Hartley, IA is $142,944 as of Sep 24, 2026. The likely range is $109,767 to $176,121. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6511 310th St, Hartley, IA last sell?

6511 310th St, Hartley, IA last sold on May 3, 2024 for $350,500, according to the county's recorded deed.

How big is 6511 310th St, Hartley, IA?

6511 310th St, Hartley, IA has 1 bathrooms, 2,523 square feet of living space and a 6.17-acre lot.

When was 6511 310th St, Hartley, IA built?

6511 310th St, Hartley, IA was built in 1910, making it 116 years old. It is a a-frame home. The building has 2 stories.

What schools serve 6511 310th St, Hartley, IA?

6511 310th St, Hartley, IA is assigned to Hartley-Melvin-Sanborn High School (high), rated B-; Hartley-Melvin-Sanborn Elementary School (elementary), rated B+; Hartley-Melvin-Sanborn Middle School (middle), rated B-. All sit in Hartley-Melvin-Sanborn Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6511 310th St, Hartley, IA compare to other homes in Hartley 51346?

Among the 1,097 homes in Hartley 51346, it is worth more than 50% of them ($142,944 against a typical $146,997), its price per square foot is higher than 12% of them ($57 against a typical $103), it is bigger than 93% of them (2,523 ft² against a typical 1,468 ft²), its lot is bigger than 84% of them (6.17 ac against a typical 0.29 ac) and it is newer than 25% of them (1910 against a typical 1940). Measured against all of O'Brien County, it is worth more than 44% 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 6511 310th St, Hartley, IA?

The 2025 property tax bill for 6511 310th St, Hartley, IA was $1,604. The county assessed it at $176,030.

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