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Residential (General/Single)Residential
$114,914$134 / 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 67How 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 MAIN ST

PORTSMOUTH, IA 51565
2
Beds
1
Baths
858 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.

Valuation

$115K
$77K low$153K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$242 (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.$13,883 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,403
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,480
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$13,883
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$13,883

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyShelby
Lot (acres)The size of the land the home sits on, from county records.0.41

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

M
Harlan Community Middle SchoolA-
Middle · Grades 6–8 · 9.4 mi
E
Harlan Primary School
Elementary · Grades PK–2 · 9.5 mi
H
Harlan High SchoolB+
High · Grades 9–12 · 9.5 mi

District: Harlan Community School District

Neighborhood · ZIP 51565These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.97%
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.9.3%
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.452
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,664
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$84,993
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.33 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 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 92% of homes in Portsmouth 51565
  • Costs less per square foot than 65% of homes in Portsmouth 51565
  • Smaller than 98% of homes in Portsmouth 51565
  • Has a smaller lot than 67% of homes in Portsmouth 51565
  • Older than 73% of homes in Shelby County

What homes are worth in Portsmouth 51565

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

This home
$76K$511K

This home is worth more than 8% of homes in Portsmouth 51565.

How it measures up in Portsmouth 51565

The dot is this home. The mark in the middle is the typical home in Portsmouth 51565.

Estimated value$114,914
CheaperTypical $234,705Pricier

Pricier than 8% of homes nearby

Price per ft²$134
CheaperTypical $151Pricier

Pricier than 35% of homes nearby

Living area858 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 2% of homes nearby

Lot size0.41 ac
SmallerTypical 1.97 acBigger

Bigger than 33% of homes nearby

Year built1910
OlderTypical 1940Newer

Newer than 32% of homes nearby

How 307 Main St ranks against every home in each area.
MeasureThis homePortsmouth 51565Shelby County
Estimated valuepricier than$114,9148% of homes20% of homes
Price per ft²pricier than$13435% of homes54% of homes
Living areabigger than858 ft²2% of homes5% of homes
Lot sizebigger than0.41 ac33% of homes53% of homes
Year builtnewer than191032% of homes27% of homes

About 307 Main St

How much is 307 Main St, Portsmouth, IA worth?

The TopHap Estimate for 307 Main St, Portsmouth, IA is $114,914 as of Sep 24, 2026. The likely range is $77,005 to $152,823. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 Main St, Portsmouth, IA last sell?

307 Main St, Portsmouth, IA last sold on Mar 24, 2011, according to the county's recorded deed.

How big is 307 Main St, Portsmouth, IA?

307 Main St, Portsmouth, IA has 2 bedrooms, 1 bathrooms, 858 square feet of living space and a 0.41-acre lot.

When was 307 Main St, Portsmouth, IA built?

307 Main St, Portsmouth, IA was built in 1910, making it 116 years old.

What schools serve 307 Main St, Portsmouth, IA?

307 Main St, Portsmouth, IA is assigned to Harlan Community Middle School (middle), rated A-; Harlan Primary School (elementary); Harlan High School (high), rated B+. All sit in Harlan Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 307 Main St, Portsmouth, IA compare to other homes in Portsmouth 51565?

Among the 234 homes in Portsmouth 51565, it is worth more than 8% of them ($114,914 against a typical $234,705), its price per square foot is higher than 35% of them ($134 against a typical $151), it is bigger than 2% of them (858 ft² against a typical 1,568 ft²), its lot is bigger than 33% of them (0.41 ac against a typical 1.97 ac) and it is newer than 32% of them (1910 against a typical 1940). Measured against all of Shelby County, it is worth more than 20% 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 Main St, Portsmouth, IA?

The 2024 property tax bill for 307 Main St, Portsmouth, IA was $242. The county assessed it at $13,883.

More homes on Main St

Closest homes

More homes in Portsmouth 51565

Assigned schools

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