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Single Family ResidenceResidential
$153,185$161 / 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 95How 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

415 DARTMOUTH DR

O FALLON, IL 62269
0
Baths
952 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$153K
$145K low$161K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,846 (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.$39,048 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,677
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$28,371
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$34,657
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$117,144

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.39
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
81
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
24
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountySt. Clair
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.1990
Lot (acres)The size of the land the home sits on, from county records.0.21
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.Mat/Raft Foundation (Slab)
HeatingThe type of heating system in the home.None
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.Mixed
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Evans Elementary SchoolB
Elementary · Grades EE–5 · 0.3 mi
H
O'Fallon Township High SchoolB-
High · Grades 9–12 · 0.7 mi
M
Carriel Junior High SchoolA-
Middle · Grades 6–8 · 2.0 mi

District: O'Fallon Community Consolidated School District 90

Neighborhood · ZIP 62269These 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.66
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 100.163

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.7%
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.33,610
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,140 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,165
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,936
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.59%

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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

415 Dartmouth 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 94% of homes in O Fallon 62269
  • Costs less per square foot than 85% of homes in O Fallon 62269
  • Smaller than 83% of homes in O Fallon 62269
  • Has a smaller lot than 75% of homes in O Fallon 62269
  • Older than 73% of homes in O Fallon 62269

What homes are worth in O Fallon 62269

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

This home
$121K$682K

This home is worth more than 6% of homes in O Fallon 62269.

How it measures up in O Fallon 62269

The dot is this home. The mark in the middle is the typical home in O Fallon 62269.

Estimated value$153,185
CheaperTypical $341,259Pricier

Pricier than 6% of homes nearby

Price per ft²$161
CheaperTypical $234Pricier

Pricier than 15% of homes nearby

Living area952 ft²
SmallerTypical 1,269 ft²Bigger

Bigger than 17% of homes nearby

Lot size0.21 ac
SmallerTypical 0.28 acBigger

Bigger than 25% of homes nearby

Year built1974
OlderTypical 1993Newer

Newer than 27% of homes nearby

How 415 Dartmouth Dr ranks against every home in each area.
MeasureThis homeO Fallon 62269St. Clair County
Estimated valuepricier than$153,1856% of homes44% of homes
Price per ft²pricier than$16115% of homes58% of homes
Living areabigger than952 ft²17% of homes27% of homes
Lot sizebigger than0.21 ac25% of homes39% of homes
Year builtnewer than197427% of homes58% of homes

About 415 Dartmouth Dr

How much is 415 Dartmouth Dr, O Fallon, IL worth?

The TopHap Estimate for 415 Dartmouth Dr, O Fallon, IL is $153,185 as of Aug 30, 2026. The likely range is $145,248 to $161,122. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 415 Dartmouth Dr, O Fallon, IL?

415 Dartmouth Dr, O Fallon, IL has 952 square feet of living space and a 0.21-acre lot.

When was 415 Dartmouth Dr, O Fallon, IL built?

415 Dartmouth Dr, O Fallon, IL was built in 1974, making it 52 years old. The building has 1 story.

What schools serve 415 Dartmouth Dr, O Fallon, IL?

415 Dartmouth Dr, O Fallon, IL is assigned to Evans Elementary School (elementary), rated B; O'Fallon Township High School (high), rated B-; Carriel Junior High School (middle), rated A-. All sit in O'Fallon Community Consolidated School District 90. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 415 Dartmouth Dr, O Fallon, IL compare to other homes in O Fallon 62269?

Among the 12,187 homes in O Fallon 62269, it is worth more than 6% of them ($153,185 against a typical $341,259), its price per square foot is higher than 15% of them ($161 against a typical $234), it is bigger than 17% of them (952 ft² against a typical 1,269 ft²), its lot is bigger than 25% of them (0.21 ac against a typical 0.28 ac) and it is newer than 27% of them (1974 against a typical 1993). Measured against all of St. Clair County, it is worth more than 44% 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 415 Dartmouth Dr, O Fallon, IL?

The 2024 property tax bill for 415 Dartmouth Dr, O Fallon, IL was $2,846. The county assessed it at $39,048.

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