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Single Family ResidenceResidential
$411,071$333 / 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 90How 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 $6,000 on Jun 27, 1986

20820 340TH CT

ADEL, IA 50003
2
Beds
1
Baths
1,233 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.
5.91 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
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

$411K
$370K low$453K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$6,000 · Jun 27, 1986

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,346 (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.$300,470 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$150,750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$149,720
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$250,710
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$300,470

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.63 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDallas
Lot (acres)The size of the land the home sits on, from county records.5.91
ConstructionThe main material the home's frame and walls are built from.Steel Frame
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.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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.GazeboDeck · 471 ft²Patio · 471 ft²

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

E
Earlham ElementaryA
Elementary · Grades PK–6 · 4.3 mi
H
Earlham High SchoolB+
High · Grades 9–12 · 4.3 mi
M
Earlham Middle SchoolB-
Middle · Grades 7–8 · 4.3 mi

District: Earlham Community School District

Neighborhood · ZIP 50003These 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.138
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.12

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.2%
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.12,779
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.116 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,369
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,454
Average tempThe average temperature here across a full year.49°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.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

20820 340th Ct 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.

  • Costs more per square foot than 94% of homes in Dallas County
  • Smaller than 83% of homes in Adel 50003
  • Has a bigger lot than 95% of homes in Dallas County
  • Older than 79% of homes in Dallas County

What homes are worth in Adel 50003

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

This home
$117K$1M

This home is worth more than 58% of homes in Adel 50003.

How it measures up in Adel 50003

The dot is this home. The mark in the middle is the typical home in Adel 50003.

Estimated value$411,071
CheaperTypical $375,731Pricier

Pricier than 58% of homes nearby

Price per ft²$333
CheaperTypical $217Pricier

Pricier than 91% of homes nearby

Living area1,233 ft²
SmallerTypical 1,712 ft²Bigger

Bigger than 17% of homes nearby

Lot size5.91 ac
SmallerTypical 0.36 acBigger

Bigger than 86% of homes nearby

Year built1991
OlderTypical 1999Newer

Newer than 42% of homes nearby

How 20820 340th Ct ranks against every home in each area.
MeasureThis homeAdel 50003Dallas County
Estimated valuepricier than$411,07158% of homes64% of homes
Price per ft²pricier than$33391% of homes94% of homes
Living areabigger than1,233 ft²17% of homes22% of homes
Lot sizebigger than5.91 ac86% of homes95% of homes
Year builtnewer than199142% of homes21% of homes

About 20820 340th Ct

How much is 20820 340th Ct, Adel, IA worth?

The TopHap Estimate for 20820 340th Ct, Adel, IA is $411,071 as of Sep 24, 2026. The likely range is $369,570 to $452,572. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20820 340th Ct, Adel, IA last sell?

20820 340th Ct, Adel, IA last sold on Jun 27, 1986 for $6,000, according to the county's recorded deed.

How big is 20820 340th Ct, Adel, IA?

20820 340th Ct, Adel, IA has 2 bedrooms, 1 bathrooms, 1,233 square feet of living space and a 5.91-acre lot.

When was 20820 340th Ct, Adel, IA built?

20820 340th Ct, Adel, IA was built in 1991, making it 35 years old. The building has 1 story.

What schools serve 20820 340th Ct, Adel, IA?

20820 340th Ct, Adel, IA is assigned to Earlham Elementary (elementary), rated A; Earlham High School (high), rated B+; Earlham Middle School (middle), rated B-. All sit in Earlham Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20820 340th Ct, Adel, IA compare to other homes in Adel 50003?

Among the 3,791 homes in Adel 50003, it is worth more than 58% of them ($411,071 against a typical $375,731), its price per square foot is higher than 91% of them ($333 against a typical $217), it is bigger than 17% of them (1,233 ft² against a typical 1,712 ft²), its lot is bigger than 86% of them (5.91 ac against a typical 0.36 ac) and it is newer than 42% of them (1991 against a typical 1999). Measured against all of Dallas County, it is worth more than 64% 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 20820 340th Ct, Adel, IA?

The 2024 property tax bill for 20820 340th Ct, Adel, IA was $2,346. The county assessed it at $300,470.

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