Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$261,512$178 / 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 $188,800 on Oct 21, 2021

21 CIRCLE DR

ARNOLD, MO 63010
1
Baths
1,472 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.
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$262K
$252K low$271K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$188,800 · Oct 21, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,294 (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.$19,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$16,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$17,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$100,800

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.47
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
33
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
88
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
80
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
37
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyJEFFERSON
Lot (acres)The size of the land the home sits on, from county records.0.40
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Patio · 694 ft²Porch · 72 ft²

Transaction History(3)

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.

M
Fox Middle SchoolB+
Middle · Grades 6–8 · 0.1 mi
H
Fox High SchoolB-
High · Grades 9–12 · 0.1 mi
E
Fox Elementary SchoolB
Elementary · Grades KG–5 · 0.1 mi

District: Fox C-6 School District

Neighborhood · ZIP 63010These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.154

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.7%
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.35,823
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,671 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,859
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,374
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

Do you own this home?
Claim this home

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

21 Circle 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.

  • Costs less per square foot than 79% of homes in Arnold
  • Bigger than 72% of homes in Arnold
  • Has a bigger lot than 79% of homes in Arnold
  • Older than 97% of homes in Arnold

What homes are worth in Arnold 63010

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

This home
$166K$489K

This home is worth more than 51% of homes in Arnold 63010.

How it measures up in Arnold 63010

The dot is this home. The mark in the middle is the typical home in Arnold 63010.

Estimated value$261,512
CheaperTypical $260,489Pricier

Pricier than 51% of homes nearby

Price per ft²$178
CheaperTypical $215Pricier

Pricier than 21% of homes nearby

Living area1,472 ft²
SmallerTypical 1,220 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.4 ac
SmallerTypical 0.25 acBigger

Bigger than 74% of homes nearby

Year built1952
OlderTypical 1984Newer

Newer than 3% of homes nearby

How 21 Circle Dr ranks against every home in each area.
MeasureThis homeArnoldArnold 63010Jefferson County
Estimated valuepricier than$261,51253% of homes51% of homes44% of homes
Price per ft²pricier than$17821% of homes21% of homes32% of homes
Living areabigger than1,472 ft²72% of homes71% of homes59% of homes
Lot sizebigger than0.4 ac79% of homes74% of homes52% of homes
Year builtnewer than19523% of homes3% of homes8% of homes

About 21 Circle Dr

How much is 21 Circle Dr, Arnold, MO worth?

The TopHap Estimate for 21 Circle Dr, Arnold, MO is $261,512 as of Sep 24, 2026. The likely range is $251,949 to $271,075. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Circle Dr, Arnold, MO last sell?

21 Circle Dr, Arnold, MO last sold on Oct 21, 2021 for $188,800, according to the county's recorded deed.

How big is 21 Circle Dr, Arnold, MO?

21 Circle Dr, Arnold, MO has 1 bathrooms, 1,472 square feet of living space and a 0.40-acre lot.

When was 21 Circle Dr, Arnold, MO built?

21 Circle Dr, Arnold, MO was built in 1952, making it 74 years old. The building has 1 story.

What schools serve 21 Circle Dr, Arnold, MO?

21 Circle Dr, Arnold, MO is assigned to Fox Middle School (middle), rated B+; Fox High School (high), rated B-; Fox Elementary School (elementary), rated B. All sit in Fox C-6 School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Circle Dr, Arnold, MO compare to other homes in Arnold 63010?

Among the 12,297 homes in Arnold 63010, it is worth more than 51% of them ($261,512 against a typical $260,489), its price per square foot is higher than 21% of them ($178 against a typical $215), it is bigger than 71% of them (1,472 ft² against a typical 1,220 ft²), its lot is bigger than 74% of them (0.4 ac against a typical 0.25 ac) and it is newer than 3% of them (1952 against a typical 1984). Measured against all of Jefferson County, it is worth more than 44% 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 21 Circle Dr, Arnold, MO?

The 2025 property tax bill for 21 Circle Dr, Arnold, MO was $1,294. The county assessed it at $19,100.

More homes on Circle Dr

Closest homes

More homes in Arnold 63010

Assigned schools

Explore the area

See this home in context

Open 21 Circle Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map