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Single Family ResidenceResidential
$247,573$109 / 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 Oct 21, 2026

12423 GROSSMOUNT DR

HOUSTON, TX 77066
4
Beds
2.5
Baths
2,280 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.
2005
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
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

$248K
$235K low$261K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,059 (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.$245,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$35,280
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$209,720
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$239,237
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$245,000

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.11 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 · 60 ft²

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

H
Klein Forest High SchoolD
High · Grades 9–12 · 0.3 mi
E
Kaiser Elementary SchoolB
Elementary · Grades PK–5 · 0.4 mi
M
Wunderlich Intermediate SchoolC
Middle · Grades 6–8 · 0.5 mi

District: Klein Independent School District

Neighborhood · ZIP 77066These 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.51
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.35,625
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,977 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,118
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,650
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

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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

12423 Grossmount 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 65% of homes in Harris County
  • Costs less per square foot than 93% of homes in Harris County
  • Bigger than 66% of homes in Harris County
  • Has a smaller lot than 89% of homes in Houston 77066
  • Newer than 83% of homes in Houston 77066

What homes are worth in Houston 77066

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

This home
$147K$420K

This home is worth more than 48% of homes in Houston 77066.

How it measures up in Houston 77066

The dot is this home. The mark in the middle is the typical home in Houston 77066.

Estimated value$247,573
CheaperTypical $251,655Pricier

Pricier than 48% of homes nearby

Price per ft²$109
CheaperTypical $126Pricier

Pricier than 16% of homes nearby

Living area2,280 ft²
SmallerTypical 1,970 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.1 ac
SmallerTypical 0.16 acBigger

Bigger than 11% of homes nearby

Year built2005
OlderTypical 1982Newer

Newer than 83% of homes nearby

How 12423 Grossmount Dr ranks against every home in each area.
MeasureThis homeHouston 77066Harris County
Estimated valuepricier than$247,57348% of homes35% of homes
Price per ft²pricier than$10916% of homes7% of homes
Living areabigger than2,280 ft²65% of homes66% of homes
Lot sizebigger than0.1 ac11% of homes12% of homes
Year builtnewer than200583% of homes72% of homes

About 12423 Grossmount Dr

How much is 12423 Grossmount Dr, Houston, TX worth?

The TopHap Estimate for 12423 Grossmount Dr, Houston, TX is $247,573 as of Oct 21, 2026. The likely range is $234,600 to $260,546. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12423 Grossmount Dr, Houston, TX last sell?

12423 Grossmount Dr, Houston, TX last sold on Aug 18, 2010, according to the county's recorded deed.

How big is 12423 Grossmount Dr, Houston, TX?

12423 Grossmount Dr, Houston, TX has 4 bedrooms, 2.5 bathrooms, 2,280 square feet of living space and a 0.10-acre lot.

When was 12423 Grossmount Dr, Houston, TX built?

12423 Grossmount Dr, Houston, TX was built in 2005, making it 21 years old. The building has 2 stories.

What schools serve 12423 Grossmount Dr, Houston, TX?

12423 Grossmount Dr, Houston, TX is assigned to Klein Forest High School (high), rated D; Kaiser Elementary School (elementary), rated B; Wunderlich Intermediate School (middle), rated C. All sit in Klein Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12423 Grossmount Dr, Houston, TX compare to other homes in Houston 77066?

Among the 9,816 homes in Houston 77066, it is worth more than 48% of them ($247,573 against a typical $251,655), its price per square foot is higher than 16% of them ($109 against a typical $126), it is bigger than 65% of them (2,280 ft² against a typical 1,970 ft²), its lot is bigger than 11% of them (0.1 ac against a typical 0.16 ac) and it is newer than 83% of them (2005 against a typical 1982). Measured against all of Harris County, it is worth more than 35% 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 12423 Grossmount Dr, Houston, TX?

The 2025 property tax bill for 12423 Grossmount Dr, Houston, TX was $5,059. The county assessed it at $245,000.

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