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Single Family ResidenceResidential
$548,144$203 / 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

206 QUAIL RUN DR

DEFIANCE, MO 63341
4
Beds
2.5
Baths
2,694 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.
3.09 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$548K
$509K low$587K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,284 (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.$88,259 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$84,973
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$464,526

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
CountyST. CHARLES
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 · 196 ft²Porch · 138 ft²

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

E
Daniel Boone Elementary SchoolA
Elementary · Grades KG–5 · 4.0 mi
H
Francis Howell High SchoolA+
High · Grades 9–12 · 6.0 mi
M
Francis Howell Middle SchoolA-
Middle · Grades 6–8 · 8.4 mi

District: Francis Howell R-Iii School District

Neighborhood · ZIP 63341These 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.65
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.104

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.9%
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.4,033
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.73 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$158,145
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$182,261
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

206 Quail Run 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.

  • Worth more than 87% of homes in St. Charles County
  • Costs less per square foot than 66% of homes in Defiance 63341
  • Bigger than 76% of homes in St. Charles County
  • Has a bigger lot than 97% of homes in St. Charles County
  • Newer than 70% of homes in Defiance 63341

What homes are worth in Defiance 63341

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

This home
$278K$1.4M

This home is worth more than 40% of homes in Defiance 63341.

How it measures up in Defiance 63341

The dot is this home. The mark in the middle is the typical home in Defiance 63341.

Estimated value$548,144
CheaperTypical $601,724Pricier

Pricier than 40% of homes nearby

Price per ft²$203
CheaperTypical $220Pricier

Pricier than 34% of homes nearby

Living area2,694 ft²
SmallerTypical 2,765 ft²Bigger

Bigger than 48% of homes nearby

Lot size3.09 ac
SmallerTypical 3.1 acBigger

Bigger than 48% of homes nearby

Year built1999
OlderTypical 1995Newer

Newer than 70% of homes nearby

How 206 Quail Run Dr ranks against every home in each area.
MeasureThis homeDefiance 63341St. Charles County
Estimated valuepricier than$548,14440% of homes87% of homes
Price per ft²pricier than$20334% of homes66% of homes
Living areabigger than2,694 ft²48% of homes76% of homes
Lot sizebigger than3.09 ac48% of homes97% of homes
Year builtnewer than199970% of homes60% of homes

About 206 Quail Run Dr

How much is 206 Quail Run Dr, Defiance, MO worth?

The TopHap Estimate for 206 Quail Run Dr, Defiance, MO is $548,144 as of Sep 24, 2026. The likely range is $508,955 to $587,333. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 206 Quail Run Dr, Defiance, MO last sell?

206 Quail Run Dr, Defiance, MO last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 206 Quail Run Dr, Defiance, MO?

206 Quail Run Dr, Defiance, MO has 4 bedrooms, 2.5 bathrooms and 2,694 square feet of living space.

When was 206 Quail Run Dr, Defiance, MO built?

206 Quail Run Dr, Defiance, MO was built in 1999, making it 27 years old. It is a bi-level home. The building has 2 stories.

What schools serve 206 Quail Run Dr, Defiance, MO?

206 Quail Run Dr, Defiance, MO is assigned to Daniel Boone Elementary School (elementary), rated A; Francis Howell High School (high), rated A+; Francis Howell Middle School (middle), rated A-. All sit in Francis Howell R-Iii School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 206 Quail Run Dr, Defiance, MO compare to other homes in Defiance 63341?

Among the 1,437 homes in Defiance 63341, it is worth more than 40% of them ($548,144 against a typical $601,724), its price per square foot is higher than 34% of them ($203 against a typical $220), it is bigger than 48% of them (2,694 ft² against a typical 2,765 ft²), its lot is bigger than 48% of them (3.09 ac against a typical 3.1 ac) and it is newer than 70% of them (1999 against a typical 1995). Measured against all of St. Charles County, it is worth more than 87% 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 206 Quail Run Dr, Defiance, MO?

The 2025 property tax bill for 206 Quail Run Dr, Defiance, MO was $5,284. The county assessed it at $88,259.

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