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Single Family ResidenceResidential
$123,291$113 / 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 89How 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

10128 ISABELLE PL

SAINT ANN, MO 63074
3
Beds
1
Baths
1,092 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$123K
$109K low$137K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,443 (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.$27,110 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,810
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$21,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$27,110
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$142,700

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.43
36
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
31
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.
61
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.0.32
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
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

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
Kratz Elementary SchoolB
Elementary · Grades KG–5 · 0.7 mi
M
Hoech Middle SchoolC
Middle · Grades 6–8 · 1.4 mi
H
Ritenour High SchoolD-
High · Grades 9–12 · 2.1 mi

District: Ritenour School District

Neighborhood · ZIP 63074These 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.116
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 100.128

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.14,584
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,823 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$54,179
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$59,614
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.39 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

10128 Isabelle 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 less than 84% of homes in St. Louis County
  • Costs less per square foot than 83% of homes in Saint Ann 63074
  • Smaller than 72% of homes in St. Louis County
  • Has a bigger lot than 85% of homes in Saint Ann 63074
  • Newer than 85% of homes in Saint Ann 63074

What homes are worth in Saint Ann 63074

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

This home
$80K$284K

This home is worth more than 37% of homes in Saint Ann 63074.

How it measures up in Saint Ann 63074

The dot is this home. The mark in the middle is the typical home in Saint Ann 63074.

Estimated value$123,291
CheaperTypical $134,043Pricier

Pricier than 37% of homes nearby

Price per ft²$113
CheaperTypical $137Pricier

Pricier than 17% of homes nearby

Living area1,092 ft²
SmallerTypical 978 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.32 ac
SmallerTypical 0.17 acBigger

Bigger than 85% of homes nearby

Year built1960
OlderTypical 1951Newer

Newer than 85% of homes nearby

How 10128 Isabelle Pl ranks against every home in each area.
MeasureThis homeSaint Ann 63074St. Louis County
Estimated valuepricier than$123,29137% of homes16% of homes
Price per ft²pricier than$11317% of homes17% of homes
Living areabigger than1,092 ft²62% of homes28% of homes
Lot sizebigger than0.32 ac85% of homes78% of homes
Year builtnewer than196085% of homes44% of homes

About 10128 Isabelle Pl

How much is 10128 Isabelle Pl, Saint Ann, MO worth?

The TopHap Estimate for 10128 Isabelle Pl, Saint Ann, MO is $123,291 as of Sep 24, 2026. The likely range is $109,167 to $137,415. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10128 Isabelle Pl, Saint Ann, MO last sell?

10128 Isabelle Pl, Saint Ann, MO last sold on Jul 22, 2026, according to the county's recorded deed.

How big is 10128 Isabelle Pl, Saint Ann, MO?

10128 Isabelle Pl, Saint Ann, MO has 3 bedrooms, 1 bathrooms, 1,092 square feet of living space and a 0.32-acre lot.

When was 10128 Isabelle Pl, Saint Ann, MO built?

10128 Isabelle Pl, Saint Ann, MO was built in 1960, making it 66 years old. It is a ranch home. The building has 1 story.

What schools serve 10128 Isabelle Pl, Saint Ann, MO?

10128 Isabelle Pl, Saint Ann, MO is assigned to Kratz Elementary School (elementary), rated B; Hoech Middle School (middle), rated C; Ritenour High School (high), rated D-. All sit in Ritenour School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10128 Isabelle Pl, Saint Ann, MO compare to other homes in Saint Ann 63074?

Among the 4,963 homes in Saint Ann 63074, it is worth more than 37% of them ($123,291 against a typical $134,043), its price per square foot is higher than 17% of them ($113 against a typical $137), it is bigger than 62% of them (1,092 ft² against a typical 978 ft²), its lot is bigger than 85% of them (0.32 ac against a typical 0.17 ac) and it is newer than 85% of them (1960 against a typical 1951). Measured against all of St. Louis County, it is worth more than 16% 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 10128 Isabelle Pl, Saint Ann, MO?

The 2025 property tax bill for 10128 Isabelle Pl, Saint Ann, MO was $2,443. The county assessed it at $27,110.

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