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Single Family ResidenceResidential
$392,248$193 / 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 96How 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 $300,000 on Jun 10, 2020

9800 BISCAYNE DR

JOHNSTON, IA 50131
4
Beds
3 / 1
Baths
2,036 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.
0.44 ac
Lot SizeThe size of the land the home sits on, from county records.
2001
Year BuiltThe year the home was originally built, according to county records.
2
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$392K
$375K low$409K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Jun 10, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,404 (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.$425,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$115,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$310,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$373,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$425,100

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.Conventional
CountyPolk
Lot (acres)The size of the land the home sits on, from county records.0.44
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
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
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 · 110 ft²Porch · 144 ft²

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
Johnston High SchoolA
High · Grades 10–12 · 0.3 mi
M
Summit Middle SchoolA
Middle · Grades 6–7 · 0.7 mi
E
Beaver Creek Elementary SchoolA
Elementary · Grades KG–5 · 0.8 mi

District: Johnston Community School District

Neighborhood · ZIP 50131These 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.58
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.13

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.24,921
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.990 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,086
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,616
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

9800 Biscayne Dr 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 77% of homes in Polk County
  • Costs less per square foot than 65% of homes in Johnston 50131
  • Bigger than 81% of homes in Polk County
  • Has a bigger lot than 85% of homes in Polk County
  • Newer than 71% of homes in Polk County

What homes are worth in Johnston 50131

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

This home
$194K$1.1M

This home is worth more than 47% of homes in Johnston 50131.

How it measures up in Johnston 50131

The dot is this home. The mark in the middle is the typical home in Johnston 50131.

Estimated value$392,248
CheaperTypical $403,889Pricier

Pricier than 47% of homes nearby

Price per ft²$193
CheaperTypical $211Pricier

Pricier than 35% of homes nearby

Living area2,036 ft²
SmallerTypical 1,904 ft²Bigger

Bigger than 56% of homes nearby

Lot size0.44 ac
SmallerTypical 0.27 acBigger

Bigger than 73% of homes nearby

Year built2001
OlderTypical 2003Newer

Newer than 45% of homes nearby

How 9800 Biscayne Dr ranks against every home in each area.
MeasureThis homeJohnston 50131Polk County
Estimated valuepricier than$392,24847% of homes77% of homes
Price per ft²pricier than$19335% of homes49% of homes
Living areabigger than2,036 ft²56% of homes81% of homes
Lot sizebigger than0.44 ac73% of homes85% of homes
Year builtnewer than200145% of homes71% of homes

About 9800 Biscayne Dr

How much is 9800 Biscayne Dr, Johnston, IA worth?

The TopHap Estimate for 9800 Biscayne Dr, Johnston, IA is $392,248 as of Sep 24, 2026. The likely range is $375,277 to $409,219. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9800 Biscayne Dr, Johnston, IA last sell?

9800 Biscayne Dr, Johnston, IA last sold on Jun 10, 2020 for $300,000, according to the county's recorded deed.

How big is 9800 Biscayne Dr, Johnston, IA?

9800 Biscayne Dr, Johnston, IA has 4 bedrooms, 3 bathrooms, 2,036 square feet of living space and a 0.44-acre lot.

When was 9800 Biscayne Dr, Johnston, IA built?

9800 Biscayne Dr, Johnston, IA was built in 2001, making it 25 years old. It is a conventional home. The building has 2 stories.

What schools serve 9800 Biscayne Dr, Johnston, IA?

9800 Biscayne Dr, Johnston, IA is assigned to Johnston High School (high), rated A; Summit Middle School (middle), rated A; Beaver Creek Elementary School (elementary), rated A. All sit in Johnston Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9800 Biscayne Dr, Johnston, IA compare to other homes in Johnston 50131?

Among the 7,672 homes in Johnston 50131, it is worth more than 47% of them ($392,248 against a typical $403,889), its price per square foot is higher than 35% of them ($193 against a typical $211), it is bigger than 56% of them (2,036 ft² against a typical 1,904 ft²), its lot is bigger than 73% of them (0.44 ac against a typical 0.27 ac) and it is newer than 45% of them (2001 against a typical 2003). Measured against all of Polk County, it is worth more than 77% 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 9800 Biscayne Dr, Johnston, IA?

The 2024 property tax bill for 9800 Biscayne Dr, Johnston, IA was $6,404. The county assessed it at $425,100.

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