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Single Family ResidenceResidential
$1,094,240$281 / 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
Last sold for $744,256 on Nov 3, 2017

23 RIDGETOP DR

SAINT LOUIS, MO 63117
5
Beds
4.5
Baths
3,891 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.
0.49 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
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

$1.1M
$1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$744,256 · Nov 3, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,937 (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.$209,970 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$99,410
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$110,560
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$202,720
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,105,100

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.40
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
21
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
88
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
76
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
8
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.6%
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.Colonial
CountyST. LOUIS
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2004
Lot (acres)The size of the land the home sits on, from county records.0.49
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.Deck · 626 ft²Patio · 478 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
Reed Elementary SchoolA+
Elementary · Grades KG–4 · 1.1 mi
M
Ladue Middle SchoolA-
Middle · Grades 6–8 · 1.7 mi
H
Ladue Horton Watkins High SchoolA
High · Grades 9–12 · 2.3 mi

District: Ladue School District

Neighborhood · ZIP 63117These 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.123
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.132

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.9,771
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,229 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,787
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$130,324
Average tempThe average temperature here across a full year.56°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

23 Ridgetop 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 97% of homes in St. Louis County
  • Costs more per square foot than 90% of homes in St. Louis County
  • Bigger than 93% of homes in St. Louis County
  • Has a bigger lot than 92% of homes in Saint Louis 63117
  • Older than 87% of homes in St. Louis County

What homes are worth in Saint Louis 63117

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

This home
$170K$1.7M

This home is worth more than 92% of homes in Saint Louis 63117.

How it measures up in Saint Louis 63117

The dot is this home. The mark in the middle is the typical home in Saint Louis 63117.

Estimated value$1,094,240
CheaperTypical $371,617Pricier

Pricier than 92% of homes nearby

Price per ft²$281
CheaperTypical $245Pricier

Pricier than 76% of homes nearby

Living area3,891 ft²
SmallerTypical 1,743 ft²Bigger

Bigger than 90% of homes nearby

Lot size0.49 ac
SmallerTypical 0.16 acBigger

Bigger than 92% of homes nearby

Year built1940
OlderTypical 1936Newer

Newer than 63% of homes nearby

How 23 Ridgetop Dr ranks against every home in each area.
MeasureThis homeSaint Louis 63117St. Louis County
Estimated valuepricier than$1,094,24092% of homes97% of homes
Price per ft²pricier than$28176% of homes90% of homes
Living areabigger than3,891 ft²90% of homes93% of homes
Lot sizebigger than0.49 ac92% of homes89% of homes
Year builtnewer than194063% of homes13% of homes

About 23 Ridgetop Dr

How much is 23 Ridgetop Dr, Saint Louis, MO worth?

The TopHap Estimate for 23 Ridgetop Dr, Saint Louis, MO is $1,094,240 as of Sep 24, 2026. The likely range is $1,024,092 to $1,164,388. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Ridgetop Dr, Saint Louis, MO last sell?

23 Ridgetop Dr, Saint Louis, MO last sold on Nov 3, 2017 for $744,256, according to the county's recorded deed.

How big is 23 Ridgetop Dr, Saint Louis, MO?

23 Ridgetop Dr, Saint Louis, MO has 5 bedrooms, 4.5 bathrooms, 3,891 square feet of living space and a 0.49-acre lot.

When was 23 Ridgetop Dr, Saint Louis, MO built?

23 Ridgetop Dr, Saint Louis, MO was built in 1940, making it 86 years old. It is a colonial home. The building has 2 stories.

What schools serve 23 Ridgetop Dr, Saint Louis, MO?

23 Ridgetop Dr, Saint Louis, MO is assigned to Reed Elementary School (elementary), rated A+; Ladue Middle School (middle), rated A-; Ladue Horton Watkins High School (high), rated A. All sit in Ladue School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 Ridgetop Dr, Saint Louis, MO compare to other homes in Saint Louis 63117?

Among the 3,606 homes in Saint Louis 63117, it is worth more than 92% of them ($1,094,240 against a typical $371,617), its price per square foot is higher than 76% of them ($281 against a typical $245), it is bigger than 90% of them (3,891 ft² against a typical 1,743 ft²), its lot is bigger than 92% of them (0.49 ac against a typical 0.16 ac) and it is newer than 63% of them (1940 against a typical 1936). Measured against all of St. Louis County, it is worth more than 97% 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 23 Ridgetop Dr, Saint Louis, MO?

The 2025 property tax bill for 23 Ridgetop Dr, Saint Louis, MO was $12,937. The county assessed it at $209,970.

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