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Mobile HomeResidential

308 4TH AVE

PORTSMOUTH, IA 51565
2
Beds
2
Baths
1,064 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$422 (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.$38,389 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,450
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$28,939
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$34,255
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$38,389

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Mobile Home
CountyShelby
Lot (acres)The size of the land the home sits on, from county records.0.20
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Pier/Post & Beam
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 120 ft²

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
H
Harlan High SchoolB+
High · Grades 9–12 · 9.5 mi
E
Harlan Primary School
Elementary · Grades PK–2 · 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

308 4th Ave 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.

  • Smaller than 87% of homes in Portsmouth 51565
  • Has a smaller lot than 92% of homes in Portsmouth 51565
  • Newer than 85% of homes in Shelby County

How it measures up in Portsmouth 51565

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

Living area1,064 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.2 ac
SmallerTypical 1.97 acBigger

Bigger than 8% of homes nearby

Year built1985
OlderTypical 1940Newer

Newer than 82% of homes nearby

How 308 4th Ave ranks against every home in each area.
MeasureThis homePortsmouth 51565Shelby County
Living areabigger than1,064 ft²13% of homes16% of homes
Lot sizebigger than0.2 ac8% of homes22% of homes
Year builtnewer than198582% of homes85% of homes

About 308 4th Ave

When did 308 4th Ave, Portsmouth, IA last sell?

308 4th Ave, Portsmouth, IA last sold on Jul 18, 2025, according to the county's recorded deed.

How big is 308 4th Ave, Portsmouth, IA?

308 4th Ave, Portsmouth, IA has 2 bedrooms, 2 bathrooms, 1,064 square feet of living space and a 0.20-acre lot.

When was 308 4th Ave, Portsmouth, IA built?

308 4th Ave, Portsmouth, IA was built in 1985, making it 41 years old.

What schools serve 308 4th Ave, Portsmouth, IA?

308 4th Ave, Portsmouth, IA is assigned to Harlan Community Middle School (middle), rated A-; Harlan High School (high), rated B+; Harlan Primary School (elementary). All sit in Harlan Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 308 4th Ave, Portsmouth, IA compare to other homes in Portsmouth 51565?

Among the 234 homes in Portsmouth 51565, it is bigger than 13% of them (1,064 ft² against a typical 1,568 ft²), its lot is bigger than 8% of them (0.2 ac against a typical 1.97 ac) and it is newer than 82% of them (1985 against a typical 1940). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 308 4th Ave, Portsmouth, IA?

The 2024 property tax bill for 308 4th Ave, Portsmouth, IA was $422. The county assessed it at $38,389.

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