Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$778,386$225 / 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 Aug 30, 2026
Last sold for $605,400 on Sep 23, 2019

18 ARMSTRONG DR

SAINT LOUIS, MO 63122
4
Beds
3.5
Baths
3,465 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1942
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$778K
$735K low$822K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$605,400 · Sep 23, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,326 (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.$231,420 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$95,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$136,420
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$171,730
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,218,000

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.46
36
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.
79
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.6 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.0.2 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.Cape Cod
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.2015
Lot (acres)The size of the land the home sits on, from county records.0.52
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 · 156 ft²Patio · 186 ft²Porch · 28 ft²

Transaction History(8)

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
North Glendale Elementary SchoolA-
Elementary · Grades KG–5 · 0.5 mi
M
Nipher Middle SchoolB-
Middle · Grades 6–8 · 1.4 mi
H
Kirkwood High SchoolA
High · Grades 9–12 · 1.8 mi

District: Kirkwood R-Vii School District

Neighborhood · ZIP 63122These 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.62
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.140

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
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.40,430
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,812 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,805
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,152
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

Do you own this home?
Claim this home

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

18 Armstrong 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 92% of homes in St. Louis County
  • Costs less per square foot than 89% of homes in Glendale
  • Bigger than 91% of homes in St. Louis County
  • Has a bigger lot than 95% of homes in Glendale
  • Older than 85% of homes in St. Louis County

What homes are worth in Saint Louis 63122

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

This home
$157K$1.5M

This home is worth more than 78% of homes in Saint Louis 63122.

How it measures up in Saint Louis 63122

The dot is this home. The mark in the middle is the typical home in Saint Louis 63122.

Estimated value$778,386
CheaperTypical $504,958Pricier

Pricier than 78% of homes nearby

Price per ft²$225
CheaperTypical $279Pricier

Pricier than 20% of homes nearby

Living area3,465 ft²
SmallerTypical 1,822 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.52 ac
SmallerTypical 0.22 acBigger

Bigger than 91% of homes nearby

Year built1942
OlderTypical 1956Newer

Newer than 23% of homes nearby

How 18 Armstrong Dr ranks against every home in each area.
MeasureThis homeGlendaleSaint Louis 63122St. Louis County
Estimated valuepricier than$778,38680% of homes78% of homes92% of homes
Price per ft²pricier than$22511% of homes20% of homes72% of homes
Living areabigger than3,465 ft²89% of homes87% of homes91% of homes
Lot sizebigger than0.52 ac95% of homes91% of homes90% of homes
Year builtnewer than194240% of homes23% of homes15% of homes

About 18 Armstrong Dr

How much is 18 Armstrong Dr, Saint Louis, MO worth?

The TopHap Estimate for 18 Armstrong Dr, Saint Louis, MO is $778,386 as of Aug 30, 2026. The likely range is $735,142 to $821,630. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Armstrong Dr, Saint Louis, MO last sell?

18 Armstrong Dr, Saint Louis, MO last sold on Sep 23, 2019 for $605,400, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 18 Armstrong Dr, Saint Louis, MO?

18 Armstrong Dr, Saint Louis, MO has 4 bedrooms, 3.5 bathrooms, 3,465 square feet of living space and a 0.52-acre lot.

When was 18 Armstrong Dr, Saint Louis, MO built?

18 Armstrong Dr, Saint Louis, MO was built in 1942, making it 84 years old. It is a cape cod home. The building has 1 story.

What schools serve 18 Armstrong Dr, Saint Louis, MO?

18 Armstrong Dr, Saint Louis, MO is assigned to North Glendale Elementary School (elementary), rated A-; Nipher Middle School (middle), rated B-; Kirkwood High School (high), rated A. All sit in Kirkwood R-Vii School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Armstrong Dr, Saint Louis, MO compare to other homes in Saint Louis 63122?

Among the 15,751 homes in Saint Louis 63122, it is worth more than 78% of them ($778,386 against a typical $504,958), its price per square foot is higher than 20% of them ($225 against a typical $279), it is bigger than 87% of them (3,465 ft² against a typical 1,822 ft²), its lot is bigger than 91% of them (0.52 ac against a typical 0.22 ac) and it is newer than 23% of them (1942 against a typical 1956). Measured against all of St. Louis County, it is worth more than 92% 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 18 Armstrong Dr, Saint Louis, MO?

The 2025 property tax bill for 18 Armstrong Dr, Saint Louis, MO was $14,326. The county assessed it at $231,420.

More homes on Armstrong Dr

Closest homes

More homes in Saint Louis 63122

Assigned schools

Explore the area

See this home in context

Open 18 Armstrong Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map