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Single Family ResidenceResidential
$224,787$169 / 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 93How 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

24018 AVOGADRO DR

KATY, TX 77493
3
Beds
2
Baths
1,327 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
2017
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$225K
$210K low$240K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,261 (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.$115,485 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,999
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$82,486
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$103,665
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$115,485

Climate Risk

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.''

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
CountyHARRIS
Lot (acres)The size of the land the home sits on, from county records.0.10
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
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.Porch · 117 ft²

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

E
Olga Leonard Elementary SchoolC-
Elementary · Grades PK–5 · 0.8 mi
H
Patricia E. Paetow High SchoolC+
High · Grades 9–12 · 1.7 mi
M
Bill & Cindy Haskett Junior High SchoolB
Middle · Grades 6–8 · 1.8 mi

District: Katy Independent School District

Neighborhood · ZIP 77493These 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.53
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.17

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.94%
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.9.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.51,177
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.815 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,215
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,279
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

24018 Avogadro 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.

  • Among the least valuable homes in Katy 77493
  • Costs more per square foot than 66% of homes in Harris County
  • Smaller than 95% of homes in Katy 77493
  • Has a smaller lot than 96% of homes in Katy 77493
  • Newer than 88% of homes in Harris County

What homes are worth in Katy 77493

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

This home
$229K$955K

This home is worth less than almost all homes in Katy 77493.

How it measures up in Katy 77493

The dot is this home. The mark in the middle is the typical home in Katy 77493.

Estimated value$224,787
CheaperTypical $364,579Pricier

Cheaper than almost all homes nearby

Price per ft²$169
CheaperTypical $168Pricier

Pricier than 52% of homes nearby

Living area1,327 ft²
SmallerTypical 2,264 ft²Bigger

Bigger than 5% of homes nearby

Lot size0.1 ac
SmallerTypical 0.15 acBigger

Bigger than 4% of homes nearby

Year built2017
OlderTypical 2020Newer

Newer than 37% of homes nearby

How 24018 Avogadro Dr ranks against every home in each area.
MeasureThis homeKaty 77493Harris County
Estimated valuepricier than$224,787almost no homes25% of homes
Price per ft²pricier than$16952% of homes66% of homes
Living areabigger than1,327 ft²5% of homes20% of homes
Lot sizebigger than0.1 ac4% of homes12% of homes
Year builtnewer than201737% of homes88% of homes

About 24018 Avogadro Dr

How much is 24018 Avogadro Dr, Katy, TX worth?

The TopHap Estimate for 24018 Avogadro Dr, Katy, TX is $224,787 as of Aug 30, 2026. The likely range is $209,858 to $239,716. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 24018 Avogadro Dr, Katy, TX last sell?

24018 Avogadro Dr, Katy, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 24018 Avogadro Dr, Katy, TX?

24018 Avogadro Dr, Katy, TX has 3 bedrooms, 2 bathrooms, 1,327 square feet of living space and a 0.10-acre lot.

When was 24018 Avogadro Dr, Katy, TX built?

24018 Avogadro Dr, Katy, TX was built in 2017, making it 9 years old. The building has 1 story.

What schools serve 24018 Avogadro Dr, Katy, TX?

24018 Avogadro Dr, Katy, TX is assigned to Olga Leonard Elementary School (elementary), rated C-; Patricia E. Paetow High School (high), rated C+; Bill & Cindy Haskett Junior High School (middle), rated B. All sit in Katy Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 24018 Avogadro Dr, Katy, TX compare to other homes in Katy 77493?

Among the 36,449 homes in Katy 77493, it is worth more than almost none of them ($224,787 against a typical $364,579), its price per square foot is higher than 52% of them ($169 against a typical $168), it is bigger than 5% of them (1,327 ft² against a typical 2,264 ft²), its lot is bigger than 4% of them (0.1 ac against a typical 0.15 ac) and it is newer than 37% of them (2017 against a typical 2020). Measured against all of Harris County, it is worth more than 25% 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 24018 Avogadro Dr, Katy, TX?

The 2025 property tax bill for 24018 Avogadro Dr, Katy, TX was $3,261. The county assessed it at $115,485.

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