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Single Family ResidenceResidential
$416,934$351 / 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 Jul 14, 2026

266 RIVER VALLEY DR

CHESTERFIELD, MO 63017
3
Beds
2 / 1
Baths
1,189 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.
0.98 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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

$417K
$353K low$481K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$292,534
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$234,027
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.32%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$70,000
DELMAR FINANCIAL CO · R · recorded Jul 20, 2001
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$54,400
DELMAR FINANCIAL CO

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,014 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$82,030 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$65,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$16,230
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$45,390
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$431,700

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.45
37
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
32
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.
69
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.7 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.minimal

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.Ranch
CountySt. Louis
Lot (acres)The size of the land the home sits on, from county records.0.98
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.Raised (Unspecified)
HeatingThe type of heating system in the home.Forced Air
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, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.BalconyPatio · 161 ft²Porch · 240 ft²

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 SchoolC
Elementary · Grades KG–5 · 0.1 mi
M
Central Middle SchoolC
Middle · Grades 6–8 · 1.1 mi
H
Central High SchoolA
High · Grades 9–12 · 1.4 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.40,817
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.$139,713
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$171,373
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

266 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 less than 79% of homes in Chesterfield
  • Among the highest price per square foot in Chesterfield
  • Smaller than 97% of homes in Chesterfield
  • Has a bigger lot than 95% of homes in Chesterfield
  • Among the oldest homes in Chesterfield 63017

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
$184K$1.4M

This home is worth more than 21% 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$416,934
CheaperTypical $515,479Pricier

Pricier than 21% of homes nearby

Price per ft²$351
CheaperTypical $209Pricier

Pricier than almost all homes nearby

Living area1,189 ft²
SmallerTypical 2,502 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.98 ac
SmallerTypical 0.29 acBigger

Bigger than 95% of homes nearby

Year built1950
OlderTypical 1978Newer

Older than almost all homes nearby

How 266 River Valley Dr ranks against every home in each area.
MeasureThis homeChesterfieldChesterfield 63017St. Louis County
Estimated valuepricier than$416,93421% of homes21% of homes72% of homes
Price per ft²pricier than$351almost all homesalmost all homes97% of homes
Living areabigger than1,189 ft²3% of homes3% of homes35% of homes
Lot sizebigger than0.98 ac95% of homes95% of homes95% of homes
Year builtnewer than1950almost no homesalmost no homes22% of homes

About 266 River Valley Dr

How much is 266 River Valley Dr, Chesterfield, MO worth?

The TopHap Estimate for 266 River Valley Dr, Chesterfield, MO is $416,934 as of Jul 14, 2026. The likely range is $353,322 to $480,546. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 266 River Valley Dr, Chesterfield, MO?

266 River Valley Dr, Chesterfield, MO has 3 bedrooms, 2 bathrooms, 1,189 square feet of living space and a 0.98-acre lot.

When was 266 River Valley Dr, Chesterfield, MO built?

266 River Valley Dr, Chesterfield, MO was built in 1950, making it 76 years old. It is a ranch home. The building has 1 story.

What schools serve 266 River Valley Dr, Chesterfield, MO?

266 River Valley Dr, Chesterfield, MO is assigned to River Bend Elementary School (elementary), rated C; Central Middle School (middle), rated C; 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 266 River Valley Dr, Chesterfield, MO compare to other homes in Chesterfield 63017?

Among the 14,477 homes in Chesterfield 63017, it is worth more than 21% of them ($416,934 against a typical $515,479), its price per square foot is higher than almost all of them ($351 against a typical $209), it is bigger than 3% of them (1,189 ft² against a typical 2,502 ft²), its lot is bigger than 95% of them (0.98 ac against a typical 0.29 ac) and it is newer than almost none of them (1950 against a typical 1978). Measured against all of St. Louis County, it is worth more than 72% 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 266 River Valley Dr, Chesterfield, MO?

The 2024 property tax bill for 266 River Valley Dr, Chesterfield, MO was $3,014. The county assessed it at $82,030.

Closest homes

More homes in Chesterfield 63017

Assigned schools

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