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Single Family ResidenceResidential
$470,427$182 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $428,260 on Jul 5, 2024

12242 ROCKY KNOLL DR

HOUSTON, TX 77077
4
Beds
2.5
Baths
2,589 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
1
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

$470K
$432K low$509K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$428,260 · Jul 5, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,099 (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.$492,927 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$81,550
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$411,377
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$519,188
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$492,927

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
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyHARRIS
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.2013
Lot (acres)The size of the land the home sits on, from county records.0.20
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
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
ViewThe type of view from the property, or another feature of the site that affects value.Neighborhood
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 306 ft²Outdoor kitchen

Transaction History(5)

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
Ashford Elementary SchoolA-
Elementary · Grades EE–5 · 0.2 mi
M
West Briar Middle SchoolB-
Middle · Grades 6–8 · 2.3 mi
H
Westside High SchoolC
High · Grades 9–12 · 2.5 mi

District: Houston Independent School District

Neighborhood · ZIP 77077These 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.119
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.65,286
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,028 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,284
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,710
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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

12242 Rocky Knoll 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 81% of homes in Harris County
  • Costs more per square foot than 75% of homes in Harris County
  • Bigger than 76% of homes in Harris County
  • Has a bigger lot than 66% of homes in Harris County

What homes are worth in Houston 77077

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

This home
$101K$1.5M

This home is worth more than 65% of homes in Houston 77077.

How it measures up in Houston 77077

The dot is this home. The mark in the middle is the typical home in Houston 77077.

Estimated value$470,427
CheaperTypical $400,883Pricier

Pricier than 65% of homes nearby

Price per ft²$182
CheaperTypical $177Pricier

Pricier than 56% of homes nearby

Living area2,589 ft²
SmallerTypical 2,310 ft²Bigger

Bigger than 66% of homes nearby

Lot size0.2 ac
SmallerTypical 0.19 acBigger

Bigger than 55% of homes nearby

Year built1979
OlderTypical 1980Newer

Newer than 48% of homes nearby

How 12242 Rocky Knoll Dr ranks against every home in each area.
MeasureThis homeHouston 77077Harris County
Estimated valuepricier than$470,42765% of homes81% of homes
Price per ft²pricier than$18256% of homes75% of homes
Living areabigger than2,589 ft²66% of homes76% of homes
Lot sizebigger than0.2 ac55% of homes66% of homes
Year builtnewer than197948% of homes38% of homes

About 12242 Rocky Knoll Dr

How much is 12242 Rocky Knoll Dr, Houston, TX worth?

The TopHap Estimate for 12242 Rocky Knoll Dr, Houston, TX is $470,427 as of Jul 14, 2026. The likely range is $431,847 to $509,007. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12242 Rocky Knoll Dr, Houston, TX last sell?

12242 Rocky Knoll Dr, Houston, TX last sold on Jul 5, 2024 for $428,260, according to the county's recorded deed.

How big is 12242 Rocky Knoll Dr, Houston, TX?

12242 Rocky Knoll Dr, Houston, TX has 4 bedrooms, 2.5 bathrooms, 2,589 square feet of living space and a 0.20-acre lot.

When was 12242 Rocky Knoll Dr, Houston, TX built?

12242 Rocky Knoll Dr, Houston, TX was built in 1979, making it 47 years old. It is a traditional/old home. The building has 1 story.

What schools serve 12242 Rocky Knoll Dr, Houston, TX?

12242 Rocky Knoll Dr, Houston, TX is assigned to Ashford Elementary School (elementary), rated A-; West Briar Middle School (middle), rated B-; Westside High School (high), rated C. All sit in Houston Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12242 Rocky Knoll Dr, Houston, TX compare to other homes in Houston 77077?

Among the 12,193 homes in Houston 77077, it is worth more than 65% of them ($470,427 against a typical $400,883), its price per square foot is higher than 56% of them ($182 against a typical $177), it is bigger than 66% of them (2,589 ft² against a typical 2,310 ft²), its lot is bigger than 55% of them (0.2 ac against a typical 0.19 ac) and it is newer than 48% of them (1979 against a typical 1980). Measured against all of Harris County, it is worth more than 81% 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 12242 Rocky Knoll Dr, Houston, TX?

The 2025 property tax bill for 12242 Rocky Knoll Dr, Houston, TX was $3,099. The county assessed it at $492,927.

More homes on Rocky Knoll Dr

Closest homes

More homes in Houston 77077

Assigned schools

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