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Single Family ResidenceResidential
$371,545$151 / 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 96How 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 $315,000 on Oct 13, 2022

9010 NILES PL

SAINT LOUIS, MO 63123
4
Beds
3 / 2
Baths
2,466 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1931
Year BuiltThe year the home was originally built, according to county records.
1
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.

Valuation

$372K
$356K low$387K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$315,000 · Oct 13, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,231 (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.$57,190 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,330
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$42,860
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$55,330
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$301,000

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.40
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
19
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.
77
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.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.1975
Lot (acres)The size of the land the home sits on, from county records.0.20
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.Hot Water
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
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 · 60 ft²Porch · 168 ft²

Transaction History(5)

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.

H
Affton High SchoolB-
High · Grades 9–12 · 0.5 mi
E
Mesnier Primary School
Elementary · Grades KG–2 · 1.0 mi
M
Rogers Middle SchoolB
Middle · Grades 6–8 · 1.4 mi

District: Affton 101 School District

Neighborhood · ZIP 63123These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.148

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
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.49,901
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,037 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,459
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,085
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%

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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

9010 Niles Pl 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 93% of homes in Affton
  • Costs less per square foot than 96% of homes in Affton
  • Bigger than 96% of homes in Affton
  • Has a bigger lot than 72% of homes in Saint Louis 63123
  • Older than 95% of homes in Affton

What homes are worth in Saint Louis 63123

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

This home
$121K$585K

This home is worth more than 89% of homes in Saint Louis 63123.

How it measures up in Saint Louis 63123

The dot is this home. The mark in the middle is the typical home in Saint Louis 63123.

Estimated value$371,545
CheaperTypical $239,452Pricier

Pricier than 89% of homes nearby

Price per ft²$151
CheaperTypical $204Pricier

Pricier than 12% of homes nearby

Living area2,466 ft²
SmallerTypical 1,200 ft²Bigger

Bigger than 94% of homes nearby

Lot size0.2 ac
SmallerTypical 0.17 acBigger

Bigger than 72% of homes nearby

Year built1931
OlderTypical 1956Newer

Newer than 6% of homes nearby

How 9010 Niles Pl ranks against every home in each area.
MeasureThis homeAfftonSaint Louis 63123St. Louis County
Estimated valuepricier than$371,54593% of homes89% of homes66% of homes
Price per ft²pricier than$1514% of homes12% of homes35% of homes
Living areabigger than2,466 ft²96% of homes94% of homes81% of homes
Lot sizebigger than0.2 ac71% of homes72% of homes51% of homes
Year builtnewer than19315% of homes6% of homes8% of homes

About 9010 Niles Pl

How much is 9010 Niles Pl, Saint Louis, MO worth?

The TopHap Estimate for 9010 Niles Pl, Saint Louis, MO is $371,545 as of Sep 24, 2026. The likely range is $355,925 to $387,165. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9010 Niles Pl, Saint Louis, MO last sell?

9010 Niles Pl, Saint Louis, MO last sold on Oct 13, 2022 for $315,000, according to the county's recorded deed.

How big is 9010 Niles Pl, Saint Louis, MO?

9010 Niles Pl, Saint Louis, MO has 4 bedrooms, 3 bathrooms, 2,466 square feet of living space and a 0.20-acre lot.

When was 9010 Niles Pl, Saint Louis, MO built?

9010 Niles Pl, Saint Louis, MO was built in 1931, making it 95 years old. It is a cape cod home. The building has 1 story.

What schools serve 9010 Niles Pl, Saint Louis, MO?

9010 Niles Pl, Saint Louis, MO is assigned to Affton High School (high), rated B-; Mesnier Primary School (elementary); Rogers Middle School (middle), rated B. All sit in Affton 101 School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9010 Niles Pl, Saint Louis, MO compare to other homes in Saint Louis 63123?

Among the 19,670 homes in Saint Louis 63123, it is worth more than 89% of them ($371,545 against a typical $239,452), its price per square foot is higher than 12% of them ($151 against a typical $204), it is bigger than 94% of them (2,466 ft² against a typical 1,200 ft²), its lot is bigger than 72% of them (0.2 ac against a typical 0.17 ac) and it is newer than 6% of them (1931 against a typical 1956). Measured against all of St. Louis County, it is worth more than 66% 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 9010 Niles Pl, Saint Louis, MO?

The 2025 property tax bill for 9010 Niles Pl, Saint Louis, MO was $4,231. The county assessed it at $57,190.

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