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Single Family ResidenceResidential
$655,645$159 / 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 95How 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
Last sold for $422,500 on Aug 5, 2019

21 BOULDER RIDGE CT

WENTZVILLE, MO 63385
3
Beds
3
Baths
4,114 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
2013
Year BuiltThe year the home was originally built, according to county records.
1
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$656K
$622K low$689K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$422,500 · Aug 5, 2019

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.$107,781 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$97,930
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$567,269

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.Ranch
CountyST. CHARLES
Lot (acres)The size of the land the home sits on, from county records.0.55
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

Transaction History(6)

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
Stone Creek Elementary SchoolA+
Elementary · Grades KG–5 · 0.8 mi
H
Timberland High SchoolA
High · Grades 9–12 · 1.8 mi
M
Wentzville South Middle SchoolB
Middle · Grades 6–8 · 2.1 mi

District: Wentzville R-Iv School District

Neighborhood · ZIP 63385These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.90

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.27%
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.52,780
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.760 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,201
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,976
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

21 Boulder Ridge 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 more than 94% of homes in Wentzville 63385
  • Costs less per square foot than 70% of homes in Wentzville 63385
  • Bigger than 95% of homes in Wentzville 63385
  • Has a bigger lot than 89% of homes in St. Charles County
  • Newer than 86% of homes in St. Charles County

What homes are worth in Wentzville 63385

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

This home
$191K$863K

This home is worth more than 94% of homes in Wentzville 63385.

How it measures up in Wentzville 63385

The dot is this home. The mark in the middle is the typical home in Wentzville 63385.

Estimated value$655,645
CheaperTypical $381,179Pricier

Pricier than 94% of homes nearby

Price per ft²$159
CheaperTypical $183Pricier

Pricier than 30% of homes nearby

Living area4,114 ft²
SmallerTypical 2,127 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.55 ac
SmallerTypical 0.24 acBigger

Bigger than 85% of homes nearby

Year built2013
OlderTypical 2005Newer

Newer than 69% of homes nearby

How 21 Boulder Ridge Ct ranks against every home in each area.
MeasureThis homeWentzville 63385St. Charles County
Estimated valuepricier than$655,64594% of homes94% of homes
Price per ft²pricier than$15930% of homes31% of homes
Living areabigger than4,114 ft²95% of homes95% of homes
Lot sizebigger than0.55 ac85% of homes89% of homes
Year builtnewer than201369% of homes86% of homes

About 21 Boulder Ridge Ct

How much is 21 Boulder Ridge Ct, Wentzville, MO worth?

The TopHap Estimate for 21 Boulder Ridge Ct, Wentzville, MO is $655,645 as of Jul 14, 2026. The likely range is $622,302 to $688,988. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Boulder Ridge Ct, Wentzville, MO last sell?

21 Boulder Ridge Ct, Wentzville, MO last sold on Aug 5, 2019 for $422,500, according to the county's recorded deed.

How big is 21 Boulder Ridge Ct, Wentzville, MO?

21 Boulder Ridge Ct, Wentzville, MO has 3 bedrooms, 3 bathrooms, 4,114 square feet of living space and a 0.55-acre lot.

When was 21 Boulder Ridge Ct, Wentzville, MO built?

21 Boulder Ridge Ct, Wentzville, MO was built in 2013, making it 13 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Boulder Ridge Ct, Wentzville, MO?

21 Boulder Ridge Ct, Wentzville, MO is assigned to Stone Creek Elementary School (elementary), rated A+; Timberland High School (high), rated A; Wentzville South Middle School (middle), rated B. All sit in Wentzville R-Iv School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Boulder Ridge Ct, Wentzville, MO compare to other homes in Wentzville 63385?

Among the 19,380 homes in Wentzville 63385, it is worth more than 94% of them ($655,645 against a typical $381,179), its price per square foot is higher than 30% of them ($159 against a typical $183), it is bigger than 95% of them (4,114 ft² against a typical 2,127 ft²), its lot is bigger than 85% of them (0.55 ac against a typical 0.24 ac) and it is newer than 69% of them (2013 against a typical 2005). Measured against all of St. Charles County, it is worth more than 94% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Boulder Ridge Ct

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