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Single Family ResidenceResidential
$257,562$142 / 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 86How 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 $190,000 on Sep 28, 2022

306 CARROLL ST

SANBORN, IA 51248
3
Beds
1.5
Baths
1,816 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1962
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.

Valuation

$258K
$223K low$293K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$190,000 · Sep 28, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,462 (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.$204,080 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$19,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$185,080
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$171,360
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$204,080

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family 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.0.33
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

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.

H
Hartley-Melvin-Sanborn High SchoolC+
High · Grades 9–12 · 8.4 mi
E
Hartley-Melvin-Sanborn Elementary SchoolB+
Elementary · Grades PK–4 · 8.5 mi
M
Hartley-Melvin-Sanborn Middle SchoolA-
Middle · Grades 7–8 · 9.0 mi

District: Hartley-Melvin-Sanborn Community School District

Neighborhood · ZIP 51248These 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.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
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.0.7%
PopulationHow many people live in this area.2,021
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.25 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,326
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,909
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

306 Carroll 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 74% of homes in O'Brien County
  • Costs more per square foot than 66% of homes in O'Brien County
  • Bigger than 71% of homes in Sanborn 51248

What homes are worth in Sanborn 51248

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

This home
$59K$615K

This home is worth more than 71% of homes in Sanborn 51248.

How it measures up in Sanborn 51248

The dot is this home. The mark in the middle is the typical home in Sanborn 51248.

Estimated value$257,562
CheaperTypical $185,768Pricier

Pricier than 71% of homes nearby

Price per ft²$142
CheaperTypical $123Pricier

Pricier than 59% of homes nearby

Living area1,816 ft²
SmallerTypical 1,472 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.33 ac
SmallerTypical 0.33 acBigger

Bigger than 50% of homes nearby

Year built1962
OlderTypical 1955Newer

Newer than 58% of homes nearby

How 306 Carroll St ranks against every home in each area.
MeasureThis homeSanborn 51248O'Brien County
Estimated valuepricier than$257,56271% of homes74% of homes
Price per ft²pricier than$14259% of homes66% of homes
Living areabigger than1,816 ft²71% of homes71% of homes
Lot sizebigger than0.33 ac50% of homes53% of homes
Year builtnewer than196258% of homes64% of homes

About 306 Carroll St

How much is 306 Carroll St, Sanborn, IA worth?

The TopHap Estimate for 306 Carroll St, Sanborn, IA is $257,562 as of Sep 24, 2026. The likely range is $222,624 to $292,500. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 306 Carroll St, Sanborn, IA last sell?

306 Carroll St, Sanborn, IA last sold on Sep 28, 2022 for $190,000, according to the county's recorded deed.

How big is 306 Carroll St, Sanborn, IA?

306 Carroll St, Sanborn, IA has 3 bedrooms, 1.5 bathrooms, 1,816 square feet of living space and a 0.33-acre lot.

When was 306 Carroll St, Sanborn, IA built?

306 Carroll St, Sanborn, IA was built in 1962, making it 64 years old. It is a a-frame home. The building has 1 story.

What schools serve 306 Carroll St, Sanborn, IA?

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

How does 306 Carroll St, Sanborn, IA compare to other homes in Sanborn 51248?

Among the 759 homes in Sanborn 51248, it is worth more than 71% of them ($257,562 against a typical $185,768), its price per square foot is higher than 59% of them ($142 against a typical $123), it is bigger than 71% of them (1,816 ft² against a typical 1,472 ft²), its lot is bigger than 50% of them (0.33 ac against a typical 0.33 ac) and it is newer than 58% of them (1962 against a typical 1955). Measured against all of O'Brien County, it is worth more than 74% 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 306 Carroll St, Sanborn, IA?

The 2025 property tax bill for 306 Carroll St, Sanborn, IA was $2,462. The county assessed it at $204,080.

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