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Single Family ResidenceResidential
$375,539$180 / 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 93How 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

7852 OLD STATE ROUTE 21

BARNHART, MO 63012
2.5
Baths
2,088 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.
1.53 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$376K
$348K low$403K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,866 (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.$42,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$38,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$222,200

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
39
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
86
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
73
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
8
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
StyleThe architectural style of the home, such as ranch or colonial.Bi-Level
CountyJEFFERSON
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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
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.Patio · 72 ft²Porch · 400 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.

E
Antonia Elementary SchoolB
Elementary · Grades KG–5 · 3.1 mi
M
Antonia Middle SchoolB+
Middle · Grades 6–8 · 4.0 mi
H
Seckman High SchoolB+
High · Grades 9–12 · 6.4 mi

District: Fox C-6 School District

Neighborhood · ZIP 63012These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
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.97%
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.6.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.11,373
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.425 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,549
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,137
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%

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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

7852 Old State Route 21 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 78% of homes in Jefferson County
  • Costs less per square foot than 77% of homes in Barnhart 63012
  • Bigger than 87% of homes in Barnhart 63012
  • Has a bigger lot than 75% of homes in Barnhart 63012

What homes are worth in Barnhart 63012

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

This home
$149K$613K

This home is worth more than 74% of homes in Barnhart 63012.

How it measures up in Barnhart 63012

The dot is this home. The mark in the middle is the typical home in Barnhart 63012.

Estimated value$375,539
CheaperTypical $278,252Pricier

Pricier than 74% of homes nearby

Price per ft²$180
CheaperTypical $221Pricier

Pricier than 23% of homes nearby

Living area2,088 ft²
SmallerTypical 1,306 ft²Bigger

Bigger than 87% of homes nearby

Lot size1.53 ac
SmallerTypical 0.33 acBigger

Bigger than 75% of homes nearby

Year built1979
OlderTypical 1987Newer

Newer than 43% of homes nearby

How 7852 Old State Route 21 ranks against every home in each area.
MeasureThis homeBarnhart 63012Jefferson County
Estimated valuepricier than$375,53974% of homes78% of homes
Price per ft²pricier than$18023% of homes33% of homes
Living areabigger than2,088 ft²87% of homes85% of homes
Lot sizebigger than1.53 ac75% of homes75% of homes
Year builtnewer than197943% of homes40% of homes

About 7852 Old State Route 21

How much is 7852 Old State Route 21, Barnhart, MO worth?

The TopHap Estimate for 7852 Old State Route 21, Barnhart, MO is $375,539 as of Sep 24, 2026. The likely range is $348,315 to $402,763. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 7852 Old State Route 21, Barnhart, MO last sell?

7852 Old State Route 21, Barnhart, MO last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 7852 Old State Route 21, Barnhart, MO?

7852 Old State Route 21, Barnhart, MO has 2.5 bathrooms and 2,088 square feet of living space.

When was 7852 Old State Route 21, Barnhart, MO built?

7852 Old State Route 21, Barnhart, MO was built in 1979, making it 47 years old. It is a bi-level home. The building has 2 stories.

What schools serve 7852 Old State Route 21, Barnhart, MO?

7852 Old State Route 21, Barnhart, MO is assigned to Antonia Elementary School (elementary), rated B; Antonia Middle School (middle), rated B+; Seckman High School (high), rated B+. All sit in Fox C-6 School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 7852 Old State Route 21, Barnhart, MO compare to other homes in Barnhart 63012?

Among the 3,912 homes in Barnhart 63012, it is worth more than 74% of them ($375,539 against a typical $278,252), its price per square foot is higher than 23% of them ($180 against a typical $221), it is bigger than 87% of them (2,088 ft² against a typical 1,306 ft²), its lot is bigger than 75% of them (1.53 ac against a typical 0.33 ac) and it is newer than 43% of them (1979 against a typical 1987). Measured against all of Jefferson County, it is worth more than 78% 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 7852 Old State Route 21, Barnhart, MO?

The 2025 property tax bill for 7852 Old State Route 21, Barnhart, MO was $2,866. The county assessed it at $42,200.

More homes on Old State Route 21

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