Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
$117,716$278 / 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 79How 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

HIGHWAY 100

GRAY SUMMIT, MO 63039
0
Baths
424 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.
3.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.

Valuation

$118K
$93K low$142K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$356 (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.$4,620 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$4,249
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$37,730

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.47
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
40
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
83
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
76
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.Residential (General/Single)
CountyFranklin
Lot (acres)The size of the land the home sits on, from county records.3.30
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Pacific High SchoolD
High · Grades 9–12 · 2.0 mi
E
Truman Elementary SchoolD+
Elementary · Grades KG–4 · 2.1 mi
M
Riverbend Middle SchoolB-
Middle · Grades 7–8 · 3.1 mi

District: Meramec Valley R-Iii School District

Neighborhood · ZIP 63039These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.108

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.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.605
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.142 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,618
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,667
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%

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

Highway 100 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 98% of homes in Gray Summit 63039
  • Costs more per square foot than 96% of homes in Gray Summit 63039
  • Among the smallest homes in Franklin County
  • Has a bigger lot than 87% of homes in Gray Summit 63039
  • Older than 67% of homes in Franklin County

What homes are worth in Gray Summit 63039

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

This home
$118K$574K

This home is worth more than 2% of homes in Gray Summit 63039.

How it measures up in Gray Summit 63039

The dot is this home. The mark in the middle is the typical home in Gray Summit 63039.

Estimated value$117,716
CheaperTypical $204,193Pricier

Pricier than 2% of homes nearby

Price per ft²$278
CheaperTypical $186Pricier

Pricier than 96% of homes nearby

Living area424 ft²
SmallerTypical 1,216 ft²Bigger

Bigger than 2% of homes nearby

Lot size3.3 ac
SmallerTypical 0.4 acBigger

Bigger than 87% of homes nearby

Year built1970
OlderTypical 1967Newer

Newer than 59% of homes nearby

How Highway 100 ranks against every home in each area.
MeasureThis homeGray Summit 63039Franklin County
Estimated valuepricier than$117,7162% of homes4% of homes
Price per ft²pricier than$27896% of homes88% of homes
Living areabigger than424 ft²2% of homesalmost no homes
Lot sizebigger than3.3 ac87% of homes70% of homes
Year builtnewer than197059% of homes33% of homes

About Highway 100

How much is Highway 100, Gray Summit, MO worth?

The TopHap Estimate for Highway 100, Gray Summit, MO is $117,716 as of Aug 30, 2026. The likely range is $93,440 to $141,992. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Highway 100, Gray Summit, MO last sell?

Highway 100, Gray Summit, MO last sold on Nov 5, 2019, according to the county's recorded deed.

How big is Highway 100, Gray Summit, MO?

Highway 100, Gray Summit, MO has 424 square feet of living space and a 3.30-acre lot.

When was Highway 100, Gray Summit, MO built?

Highway 100, Gray Summit, MO was built in 1970, making it 56 years old.

What schools serve Highway 100, Gray Summit, MO?

Highway 100, Gray Summit, MO is assigned to Pacific High School (high), rated D; Truman Elementary School (elementary), rated D+; Riverbend Middle School (middle), rated B-. All sit in Meramec Valley R-Iii School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does Highway 100, Gray Summit, MO compare to other homes in Gray Summit 63039?

Among the 320 homes in Gray Summit 63039, it is worth more than 2% of them ($117,716 against a typical $204,193), its price per square foot is higher than 96% of them ($278 against a typical $186), it is bigger than 2% of them (424 ft² against a typical 1,216 ft²), its lot is bigger than 87% of them (3.3 ac against a typical 0.4 ac) and it is newer than 59% of them (1970 against a typical 1967). Measured against all of Franklin County, it is worth more than 4% 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 Highway 100, Gray Summit, MO?

The 2025 property tax bill for Highway 100, Gray Summit, MO was $356. The county assessed it at $4,620.

More homes on Highway 100

Closest homes

More homes in Gray Summit 63039

Assigned schools

Explore the area

See this home in context

Open Highway 100 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