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Single Family ResidenceResidential
$376,674$269 / 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 81How 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
Last sold for $255,000 on Apr 17, 2019

21521 78TH ST

MARTELLE, IA 52305
4
Beds
3.5
Baths
1,400 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.
1.37 ac
Lot SizeThe size of the land the home sits on, from county records.
2018
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.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$377K
$304K low$450K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$255,000 · Apr 17, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,150 (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.$350,960 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$46,710
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$304,250
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$352,620
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$350,960

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.1.37
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
FireplaceWhether the home has a fireplace, and what kind.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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 196 ft²Patio · 273 ft²Porch · 30 ft²

Transaction History(2)

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.

E
Strawberry Hill ElementaryA-
Elementary · Grades PK–4 · 4.4 mi
H
Anamosa High SchoolD-
High · Grades 9–12 · 4.6 mi
M
Anamosa Middle SchoolB+
Middle · Grades 5–8 · 5.0 mi

District: Anamosa Community School District

Neighborhood · ZIP 52305These 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.176
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.554
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.23 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,366
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,055
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.36 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

21521 78th 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 79% of homes in Jones County
  • Costs more per square foot than 90% of homes in Jones County
  • Smaller than 65% of homes in Martelle 52305
  • Newer than 96% of homes in Jones County

What homes are worth in Martelle 52305

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

This home
$82K$597K

This home is worth more than 69% of homes in Martelle 52305.

How it measures up in Martelle 52305

The dot is this home. The mark in the middle is the typical home in Martelle 52305.

Estimated value$376,674
CheaperTypical $275,623Pricier

Pricier than 69% of homes nearby

Price per ft²$269
CheaperTypical $174Pricier

Pricier than 84% of homes nearby

Living area1,400 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 35% of homes nearby

Lot size1.37 ac
SmallerTypical 1.36 acBigger

Bigger than 51% of homes nearby

Year built2018
OlderTypical 2013Newer

Newer than 94% of homes nearby

How 21521 78th St ranks against every home in each area.
MeasureThis homeMartelle 52305Jones County
Estimated valuepricier than$376,67469% of homes79% of homes
Price per ft²pricier than$26984% of homes90% of homes
Living areabigger than1,400 ft²35% of homes43% of homes
Lot sizebigger than1.37 ac51% of homes64% of homes
Year builtnewer than201894% of homes96% of homes

About 21521 78th St

How much is 21521 78th St, Martelle, IA worth?

The TopHap Estimate for 21521 78th St, Martelle, IA is $376,674 as of Aug 30, 2026. The likely range is $303,801 to $449,547. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21521 78th St, Martelle, IA last sell?

21521 78th St, Martelle, IA last sold on Apr 17, 2019 for $255,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21521 78th St, Martelle, IA?

21521 78th St, Martelle, IA has 4 bedrooms, 3.5 bathrooms, 1,400 square feet of living space and a 1.37-acre lot.

When was 21521 78th St, Martelle, IA built?

21521 78th St, Martelle, IA was built in 2018, making it 8 years old. The building has 1 story.

What schools serve 21521 78th St, Martelle, IA?

21521 78th St, Martelle, IA is assigned to Strawberry Hill Elementary (elementary), rated A-; Anamosa High School (high), rated D-; Anamosa Middle School (middle), rated B+. All sit in Anamosa Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21521 78th St, Martelle, IA compare to other homes in Martelle 52305?

Among the 308 homes in Martelle 52305, it is worth more than 69% of them ($376,674 against a typical $275,623), its price per square foot is higher than 84% of them ($269 against a typical $174), it is bigger than 35% of them (1,400 ft² against a typical 1,568 ft²), its lot is bigger than 51% of them (1.37 ac against a typical 1.36 ac) and it is newer than 94% of them (2018 against a typical 2013). Measured against all of Jones County, it is worth more than 79% 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 21521 78th St, Martelle, IA?

The 2025 property tax bill for 21521 78th St, Martelle, IA was $4,150. The county assessed it at $350,960.

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