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Single Family ResidenceResidential
$447,321$161 / 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 94How 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

185 RIVER VALLEY DR

CHESTERFIELD, MO 63017
4
Beds
2.5
Baths
2,784 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.
0.38 ac
Lot SizeThe size of the land the home sits on, from county records.
1962
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
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

$447K
$420K low$475K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,570 (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.$89,110 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$44,860
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$44,250
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$78,070
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$469,000

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
51
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
33
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
85
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
68
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
4
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.49 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.1 percent flood zone

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
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyST. LOUIS
Lot (acres)The size of the land the home sits on, from county records.0.38
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.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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 · 40 ft²Porch · 296 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
River Bend Elementary SchoolA
Elementary · Grades KG–5 · 0.4 mi
M
Central Middle SchoolA
Middle · Grades 6–8 · 1.4 mi
H
Central High SchoolA
High · Grades 9–12 · 1.7 mi

District: Parkway School District

Neighborhood · ZIP 63017These 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.56
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 100.123

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
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.40,825
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,065 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$139,691
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$171,356
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

185 River Valley 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 75% of homes in St. Louis County
  • Costs less per square foot than 85% of homes in Chesterfield 63017
  • Bigger than 86% of homes in St. Louis County
  • Has a bigger lot than 84% of homes in St. Louis County
  • Older than 98% of homes in Chesterfield

What homes are worth in Chesterfield 63017

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

This home
$186K$1.3M

This home is worth more than 32% of homes in Chesterfield 63017.

How it measures up in Chesterfield 63017

The dot is this home. The mark in the middle is the typical home in Chesterfield 63017.

Estimated value$447,321
CheaperTypical $518,775Pricier

Pricier than 32% of homes nearby

Price per ft²$161
CheaperTypical $204Pricier

Pricier than 15% of homes nearby

Living area2,784 ft²
SmallerTypical 2,523 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.38 ac
SmallerTypical 0.29 acBigger

Bigger than 73% of homes nearby

Year built1962
OlderTypical 1978Newer

Newer than 2% of homes nearby

How 185 River Valley Dr ranks against every home in each area.
MeasureThis homeChesterfieldChesterfield 63017St. Louis County
Estimated valuepricier than$447,32130% of homes32% of homes75% of homes
Price per ft²pricier than$16117% of homes15% of homes39% of homes
Living areabigger than2,784 ft²59% of homes65% of homes86% of homes
Lot sizebigger than0.38 ac71% of homes73% of homes84% of homes
Year builtnewer than19622% of homes2% of homes46% of homes

About 185 River Valley Dr

How much is 185 River Valley Dr, Chesterfield, MO worth?

The TopHap Estimate for 185 River Valley Dr, Chesterfield, MO is $447,321 as of Sep 24, 2026. The likely range is $420,099 to $474,543. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 185 River Valley Dr, Chesterfield, MO last sell?

185 River Valley Dr, Chesterfield, MO last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 185 River Valley Dr, Chesterfield, MO?

185 River Valley Dr, Chesterfield, MO has 4 bedrooms, 2.5 bathrooms, 2,784 square feet of living space and a 0.38-acre lot.

When was 185 River Valley Dr, Chesterfield, MO built?

185 River Valley Dr, Chesterfield, MO was built in 1962, making it 64 years old. It is a conventional home. The building has 2 stories.

What schools serve 185 River Valley Dr, Chesterfield, MO?

185 River Valley Dr, Chesterfield, MO is assigned to River Bend Elementary School (elementary), rated A; Central Middle School (middle), rated A; Central High School (high), rated A. All sit in Parkway School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 185 River Valley Dr, Chesterfield, MO compare to other homes in Chesterfield 63017?

Among the 14,484 homes in Chesterfield 63017, it is worth more than 32% of them ($447,321 against a typical $518,775), its price per square foot is higher than 15% of them ($161 against a typical $204), it is bigger than 65% of them (2,784 ft² against a typical 2,523 ft²), its lot is bigger than 73% of them (0.38 ac against a typical 0.29 ac) and it is newer than 2% of them (1962 against a typical 1978). Measured against all of St. Louis County, it is worth more than 75% 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 185 River Valley Dr, Chesterfield, MO?

The 2025 property tax bill for 185 River Valley Dr, Chesterfield, MO was $5,570. The county assessed it at $89,110.

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