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Single Family ResidenceResidential
$274,159$134 / 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 Jul 14, 2026

1515 OLD STATE ROUTE 21

ARNOLD, MO 63010
2
Baths
2,052 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.
1.5 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$274K
$256K low$293K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$274,159
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$219,327

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,096 (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.$31,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$27,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$28,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$164,000

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.28 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
CountyJEFFERSON
Lot (acres)The size of the land the home sits on, from county records.1.50
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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.DeckPatio · 64 ft²Porch · 192 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.

E
Meramec Heights Elementary SchoolA
Elementary · Grades KG–5 · 0.7 mi
M
Ridgewood Middle SchoolA-
Middle · Grades 6–8 · 1.6 mi
H
Fox High SchoolC
High · Grades 9–12 · 4.2 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.35,795
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,670 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,883
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,386
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

1515 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.

  • Costs less per square foot than 98% of homes in Arnold 63010
  • Bigger than 95% of homes in Arnold 63010
  • Has a bigger lot than 94% of homes in Arnold 63010
  • Newer than 87% of homes in Arnold 63010

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
$160K$488K

This home is worth more than 62% 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$274,159
CheaperTypical $251,235Pricier

Pricier than 62% of homes nearby

Price per ft²$134
CheaperTypical $217Pricier

Pricier than 2% of homes nearby

Living area2,052 ft²
SmallerTypical 1,134 ft²Bigger

Bigger than 95% of homes nearby

Lot size1.5 ac
SmallerTypical 0.25 acBigger

Bigger than 94% of homes nearby

Year built2002
OlderTypical 1982Newer

Newer than 87% of homes nearby

How 1515 Old State Route 21 ranks against every home in each area.
MeasureThis homeArnold 63010Jefferson County
Estimated valuepricier than$274,15962% of homes49% of homes
Price per ft²pricier than$1342% of homes5% of homes
Living areabigger than2,052 ft²95% of homes91% of homes
Lot sizebigger than1.5 ac94% of homes75% of homes
Year builtnewer than200287% of homes76% of homes

About 1515 Old State Route 21

How much is 1515 Old State Route 21, Arnold, MO worth?

The TopHap Estimate for 1515 Old State Route 21, Arnold, MO is $274,159 as of Jul 14, 2026. The likely range is $255,769 to $292,549. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1515 Old State Route 21, Arnold, MO last sell?

1515 Old State Route 21, Arnold, MO last sold on May 1, 2023, according to the county's recorded deed.

How big is 1515 Old State Route 21, Arnold, MO?

1515 Old State Route 21, Arnold, MO has 2 bathrooms, 2,052 square feet of living space and a 1.50-acre lot.

When was 1515 Old State Route 21, Arnold, MO built?

1515 Old State Route 21, Arnold, MO was built in 2002, making it 24 years old. The building has 1 story.

What schools serve 1515 Old State Route 21, Arnold, MO?

1515 Old State Route 21, Arnold, MO is assigned to Meramec Heights Elementary School (elementary), rated A; Ridgewood Middle School (middle), rated A-; Fox High School (high), rated C. All sit in Fox C-6 School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1515 Old State Route 21, Arnold, MO compare to other homes in Arnold 63010?

Among the 12,279 homes in Arnold 63010, it is worth more than 62% of them ($274,159 against a typical $251,235), its price per square foot is higher than 2% of them ($134 against a typical $217), it is bigger than 95% of them (2,052 ft² against a typical 1,134 ft²), its lot is bigger than 94% of them (1.5 ac against a typical 0.25 ac) and it is newer than 87% of them (2002 against a typical 1982). Measured against all of Jefferson County, it is worth more than 49% 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 1515 Old State Route 21, Arnold, MO?

The 2024 property tax bill for 1515 Old State Route 21, Arnold, MO was $2,096. The county assessed it at $31,200.

Closest homes

More homes in Arnold 63010

Assigned schools

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