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Single Family ResidenceResidential
$551,462$202 / 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 Sep 24, 2026
Last sold for $367,080 on Dec 31, 2020

18511 LONG KEY DR

CYPRESS, TX 77433
3
Beds
2.5
Baths
2,730 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.
0.19 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

$551K
$521K low$581K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$367,080 · Dec 31, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,217 (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.$509,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$89,375
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$419,625
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$538,693
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$509,000

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.24 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.0.19
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 684 ft²

Transaction History(7)

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
McGown Elementary SchoolA+
Elementary · Grades PK–5 · 0.3 mi
M
Sprague Middle SchoolA+
Middle · Grades 6–8 · 1.6 mi
H
Bridgeland High SchoolA+
High · Grades 9–12 · 2.0 mi

District: Cypress-Fairbanks Independent School District

Neighborhood · ZIP 77433These 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.15
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
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.116,439
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,942 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$133,060
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$157,264
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

18511 Long Key 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 87% of homes in Harris County
  • Costs more per square foot than 82% of homes in Cypress 77433
  • Bigger than 80% of homes in Harris County
  • Newer than 88% of homes in Harris County

What homes are worth in Cypress 77433

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

This home
$211K$1.3M

This home is worth more than 69% of homes in Cypress 77433.

How it measures up in Cypress 77433

The dot is this home. The mark in the middle is the typical home in Cypress 77433.

Estimated value$551,462
CheaperTypical $434,491Pricier

Pricier than 69% of homes nearby

Price per ft²$202
CheaperTypical $168Pricier

Pricier than 82% of homes nearby

Living area2,730 ft²
SmallerTypical 2,659 ft²Bigger

Bigger than 53% of homes nearby

Lot size0.19 ac
SmallerTypical 0.17 acBigger

Bigger than 60% of homes nearby

Year built2017
OlderTypical 2014Newer

Newer than 62% of homes nearby

How 18511 Long Key Dr ranks against every home in each area.
MeasureThis homeBridgelandCypress 77433Harris County
Estimated valuepricier than$551,46251% of homes69% of homes87% of homes
Price per ft²pricier than$20261% of homes82% of homes82% of homes
Living areabigger than2,730 ft²46% of homes53% of homes80% of homes
Lot sizebigger than0.19 ac55% of homes60% of homes62% of homes
Year builtnewer than201732% of homes62% of homes88% of homes

About 18511 Long Key Dr

How much is 18511 Long Key Dr, Cypress, TX worth?

The TopHap Estimate for 18511 Long Key Dr, Cypress, TX is $551,462 as of Sep 24, 2026. The likely range is $521,472 to $581,452. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18511 Long Key Dr, Cypress, TX last sell?

18511 Long Key Dr, Cypress, TX last sold on Dec 31, 2020 for $367,080, according to the county's recorded deed.

How big is 18511 Long Key Dr, Cypress, TX?

18511 Long Key Dr, Cypress, TX has 3 bedrooms, 2.5 bathrooms, 2,730 square feet of living space and a 0.19-acre lot.

When was 18511 Long Key Dr, Cypress, TX built?

18511 Long Key Dr, Cypress, TX was built in 2017, making it 9 years old. The building has 1 story.

What schools serve 18511 Long Key Dr, Cypress, TX?

18511 Long Key Dr, Cypress, TX is assigned to McGown Elementary School (elementary), rated A+; Sprague Middle School (middle), rated A+; Bridgeland High School (high), rated A+. All sit in Cypress-Fairbanks Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18511 Long Key Dr, Cypress, TX compare to other homes in Cypress 77433?

Among the 46,351 homes in Cypress 77433, it is worth more than 69% of them ($551,462 against a typical $434,491), its price per square foot is higher than 82% of them ($202 against a typical $168), it is bigger than 53% of them (2,730 ft² against a typical 2,659 ft²), its lot is bigger than 60% of them (0.19 ac against a typical 0.17 ac) and it is newer than 62% of them (2017 against a typical 2014). Measured against all of Harris County, it is worth more than 87% 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 18511 Long Key Dr, Cypress, TX?

The 2025 property tax bill for 18511 Long Key Dr, Cypress, TX was $8,217. The county assessed it at $509,000.

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