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Single Family ResidenceResidential
$347,247$357 / 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 Oct 21, 2026
Last sold for $161,600 on Dec 8, 1999

409 KEYSTONE DR

FENTON, MO 63026
2.5
Baths
972 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$347K
$332K low$362K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$161,600 · Dec 8, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,314 (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.$46,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$37,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$46,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$246,400

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.45
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
23
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.
80
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
37
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
StyleThe architectural style of the home, such as ranch or colonial.Bi-Level
CountyJEFFERSON
Lot (acres)The size of the land the home sits on, from county records.0.27
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
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.DeckPatio · 366 ft²Porch · 66 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
George Guffy Elementary SchoolA
Elementary · Grades KG–5 · 1.3 mi
M
Ridgewood Middle SchoolA
Middle · Grades 6–8 · 2.4 mi
H
Fox High SchoolB-
High · Grades 9–12 · 4.1 mi

District: Fox C-6 School District

Neighborhood · ZIP 63026These 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.82
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 100.142

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
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.43,818
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,697 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,941
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,908
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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

409 Keystone 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 72% of homes in Jefferson County
  • Costs more per square foot than 98% of homes in Fenton 63026
  • Smaller than 83% of homes in Fenton 63026
  • Newer than 75% of homes in Fenton 63026

What homes are worth in Fenton 63026

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

This home
$154K$742K

This home is worth more than 50% of homes in Fenton 63026.

How it measures up in Fenton 63026

The dot is this home. The mark in the middle is the typical home in Fenton 63026.

Estimated value$347,247
CheaperTypical $347,194Pricier

Pricier than 50% of homes nearby

Price per ft²$357
CheaperTypical $227Pricier

Pricier than 98% of homes nearby

Living area972 ft²
SmallerTypical 1,472 ft²Bigger

Bigger than 17% of homes nearby

Lot size0.27 ac
SmallerTypical 0.24 acBigger

Bigger than 64% of homes nearby

Year built1999
OlderTypical 1987Newer

Newer than 75% of homes nearby

How 409 Keystone Dr ranks against every home in each area.
MeasureThis homeFenton 63026Jefferson County
Estimated valuepricier than$347,24750% of homes72% of homes
Price per ft²pricier than$35798% of homes96% of homes
Living areabigger than972 ft²17% of homes19% of homes
Lot sizebigger than0.27 ac64% of homes36% of homes
Year builtnewer than199975% of homes68% of homes

About 409 Keystone Dr

How much is 409 Keystone Dr, Fenton, MO worth?

The TopHap Estimate for 409 Keystone Dr, Fenton, MO is $347,247 as of Oct 21, 2026. The likely range is $332,393 to $362,101. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 409 Keystone Dr, Fenton, MO last sell?

409 Keystone Dr, Fenton, MO last sold on Dec 8, 1999 for $161,600, according to the county's recorded deed.

How big is 409 Keystone Dr, Fenton, MO?

409 Keystone Dr, Fenton, MO has 2.5 bathrooms, 972 square feet of living space and a 0.27-acre lot.

When was 409 Keystone Dr, Fenton, MO built?

409 Keystone Dr, Fenton, MO was built in 1999, making it 27 years old. It is a bi-level home. The building has 2 stories.

What schools serve 409 Keystone Dr, Fenton, MO?

409 Keystone Dr, Fenton, MO is assigned to George Guffy Elementary School (elementary), rated A; Ridgewood Middle School (middle), rated A; Fox High School (high), rated B-. All sit in Fox C-6 School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 409 Keystone Dr, Fenton, MO compare to other homes in Fenton 63026?

Among the 14,772 homes in Fenton 63026, it is worth more than 50% of them ($347,247 against a typical $347,194), its price per square foot is higher than 98% of them ($357 against a typical $227), it is bigger than 17% of them (972 ft² against a typical 1,472 ft²), its lot is bigger than 64% of them (0.27 ac against a typical 0.24 ac) and it is newer than 75% of them (1999 against a typical 1987). Measured against all of Jefferson County, it is worth more than 72% 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 409 Keystone Dr, Fenton, MO?

The 2025 property tax bill for 409 Keystone Dr, Fenton, MO was $3,314. The county assessed it at $46,800.

More homes on Keystone Dr

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Assigned schools

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