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Single Family ResidenceResidential
$307,779$148 / 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 97How 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

3 SUNDOWNER CT

SAINT CHARLES, MO 63303
3
Beds
2
Baths
2,080 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1981
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
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

$308K
$297K low$318K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$57,767 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$54,963
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$304,038

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
Lot (acres)The size of the land the home sits on, from county records.0.13
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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.DeckPatio · 290 ft²Porch · 150 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
Harris Elementary SchoolA-
Elementary · Grades KG–4 · 1.1 mi
H
St. Charles West SchoolA-
High · Grades 9–12 · 2.0 mi
M
Hardin Middle SchoolA
Middle · Grades 7–8 · 3.1 mi

District: St. Charles R-Vi School District

Neighborhood · ZIP 63303These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.120

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.1%
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.49,298
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,208 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,943
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,979
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.40 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

3 Sundowner Ct 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 less than 69% of homes in St. Charles County
  • Costs less per square foot than 82% of homes in St. Charles County
  • Has a smaller lot than 86% of homes in St. Charles County
  • Older than 75% of homes in St. Charles County

What homes are worth in Saint Charles 63303

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

This home
$133K$738K

This home is worth more than 36% of homes in Saint Charles 63303.

How it measures up in Saint Charles 63303

The dot is this home. The mark in the middle is the typical home in Saint Charles 63303.

Estimated value$307,779
CheaperTypical $353,114Pricier

Pricier than 36% of homes nearby

Price per ft²$148
CheaperTypical $171Pricier

Pricier than 27% of homes nearby

Living area2,080 ft²
SmallerTypical 2,024 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.13 ac
SmallerTypical 0.22 acBigger

Bigger than 21% of homes nearby

Year built1981
OlderTypical 1988Newer

Newer than 28% of homes nearby

How 3 Sundowner Ct ranks against every home in each area.
MeasureThis homeSaint Charles 63303St. Charles County
Estimated valuepricier than$307,77936% of homes31% of homes
Price per ft²pricier than$14827% of homes18% of homes
Living areabigger than2,080 ft²52% of homes54% of homes
Lot sizebigger than0.13 ac21% of homes14% of homes
Year builtnewer than198128% of homes25% of homes

About 3 Sundowner Ct

How much is 3 Sundowner Ct, Saint Charles, MO worth?

The TopHap Estimate for 3 Sundowner Ct, Saint Charles, MO is $307,779 as of Sep 24, 2026. The likely range is $297,066 to $318,492. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3 Sundowner Ct, Saint Charles, MO last sell?

3 Sundowner Ct, Saint Charles, MO last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3 Sundowner Ct, Saint Charles, MO?

3 Sundowner Ct, Saint Charles, MO has 3 bedrooms, 2 bathrooms, 2,080 square feet of living space and a 0.13-acre lot.

When was 3 Sundowner Ct, Saint Charles, MO built?

3 Sundowner Ct, Saint Charles, MO was built in 1981, making it 45 years old. It is a bi-level home. The building has 2 stories.

What schools serve 3 Sundowner Ct, Saint Charles, MO?

3 Sundowner Ct, Saint Charles, MO is assigned to Harris Elementary School (elementary), rated A-; St. Charles West School (high), rated A-; Hardin Middle School (middle), rated A. All sit in St. Charles R-Vi School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3 Sundowner Ct, Saint Charles, MO compare to other homes in Saint Charles 63303?

Among the 16,151 homes in Saint Charles 63303, it is worth more than 36% of them ($307,779 against a typical $353,114), its price per square foot is higher than 27% of them ($148 against a typical $171), it is bigger than 52% of them (2,080 ft² against a typical 2,024 ft²), its lot is bigger than 21% of them (0.13 ac against a typical 0.22 ac) and it is newer than 28% of them (1981 against a typical 1988). Measured against all of St. Charles County, it is worth more than 31% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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