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Single Family ResidenceResidential
$265,526$259 / 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 85How 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 $231,984 on Aug 4, 2026

643 WASHINGTON DR

ARNOLD, MO 63010
1.5
Baths
1,025 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$266K
$227K low$304K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$231,984 · Aug 4, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,037 (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.$16,000 (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.$13,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$16,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$84,200

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.48
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
35
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.0.18
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
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.Porch · 64 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
Fox Elementary SchoolB
Elementary · Grades KG–5 · 0.7 mi
M
Fox Middle SchoolB+
Middle · Grades 6–8 · 0.7 mi
H
Fox High SchoolB-
High · Grades 9–12 · 0.8 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

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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

643 Washington 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 more per square foot than 82% of homes in Arnold
  • Smaller than 77% of homes in Jefferson County
  • Has a smaller lot than 87% of homes in Jefferson County
  • Older than 80% of homes in Jefferson County

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
$169K$498K

This home is worth more than 53% 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$265,526
CheaperTypical $261,265Pricier

Pricier than 53% of homes nearby

Price per ft²$259
CheaperTypical $214Pricier

Pricier than 80% of homes nearby

Living area1,025 ft²
SmallerTypical 1,223 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.18 ac
SmallerTypical 0.25 acBigger

Bigger than 18% of homes nearby

Year built1964
OlderTypical 1984Newer

Newer than 22% of homes nearby

How 643 Washington Dr ranks against every home in each area.
MeasureThis homeArnoldArnold 63010Jefferson County
Estimated valuepricier than$265,52655% of homes53% of homes45% of homes
Price per ft²pricier than$25982% of homes80% of homes81% of homes
Living areabigger than1,025 ft²28% of homes29% of homes23% of homes
Lot sizebigger than0.18 ac15% of homes18% of homes13% of homes
Year builtnewer than196427% of homes22% of homes20% of homes

About 643 Washington Dr

How much is 643 Washington Dr, Arnold, MO worth?

The TopHap Estimate for 643 Washington Dr, Arnold, MO is $265,526 as of Sep 24, 2026. The likely range is $226,904 to $304,148. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 Washington Dr, Arnold, MO last sell?

643 Washington Dr, Arnold, MO last sold on Aug 4, 2026 for $231,984, according to the county's recorded deed.

How big is 643 Washington Dr, Arnold, MO?

643 Washington Dr, Arnold, MO has 1.5 bathrooms, 1,025 square feet of living space and a 0.18-acre lot.

When was 643 Washington Dr, Arnold, MO built?

643 Washington Dr, Arnold, MO was built in 1964, making it 62 years old. The building has 1 story.

What schools serve 643 Washington Dr, Arnold, MO?

643 Washington Dr, Arnold, MO is assigned to Fox Elementary School (elementary), rated B; Fox Middle School (middle), rated B+; Fox 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 643 Washington Dr, Arnold, MO compare to other homes in Arnold 63010?

Among the 12,297 homes in Arnold 63010, it is worth more than 53% of them ($265,526 against a typical $261,265), its price per square foot is higher than 80% of them ($259 against a typical $214), it is bigger than 29% of them (1,025 ft² against a typical 1,223 ft²), its lot is bigger than 18% of them (0.18 ac against a typical 0.25 ac) and it is newer than 22% of them (1964 against a typical 1984). Measured against all of Jefferson County, it is worth more than 45% 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 643 Washington Dr, Arnold, MO?

The 2025 property tax bill for 643 Washington Dr, Arnold, MO was $1,037. The county assessed it at $16,000.

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