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Single Family ResidenceResidential
$610,421$152 / 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 91How 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 $428,000 on Aug 16, 2002

11815 KEY BISCAYNE CT

HOUSTON, TX 77065
5
Beds
3.5
Baths
4,019 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
11
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

$610K
$554K low$667K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$428,000 · Aug 16, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,889 (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.$545,787 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$121,150
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$424,637
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$591,141
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$545,787

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.14 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
Lot (acres)The size of the land the home sits on, from county records.0.21
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
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.Primary
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 300 ft²Porch · 523 ft²

Transaction History(1)

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
Emmott Elementary SchoolC-
Elementary · Grades PK–5 · 0.5 mi
M
Campbell Middle SchoolC-
Middle · Grades 6–8 · 1.6 mi
H
Cypress Ridge High SchoolC+
High · Grades 9–12 · 2.2 mi

District: Cypress-Fairbanks Independent School District

Neighborhood · ZIP 77065These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.1%
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.38,955
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,734 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,573
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,838
Average tempThe average temperature here across a full year.68°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%

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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

11815 Key Biscayne Ct 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 most valuable homes in Houston 77065
  • Bigger than 98% of homes in Houston 77065
  • Has a bigger lot than 73% of homes in Harris County
  • Newer than 91% of homes in Houston 77065

What homes are worth in Houston 77065

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

This home
$213K$584K

This home is worth more than almost all homes in Houston 77065.

How it measures up in Houston 77065

The dot is this home. The mark in the middle is the typical home in Houston 77065.

Estimated value$610,421
CheaperTypical $292,983Pricier

Pricier than almost all homes nearby

Price per ft²$152
CheaperTypical $147Pricier

Pricier than 60% of homes nearby

Living area4,019 ft²
SmallerTypical 2,014 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.22 ac
SmallerTypical 0.18 acBigger

Bigger than 68% of homes nearby

Year built2002
OlderTypical 1984Newer

Newer than 91% of homes nearby

How 11815 Key Biscayne Ct ranks against every home in each area.
MeasureThis homeHouston 77065Harris County
Estimated valuepricier than$610,421almost all homes89% of homes
Price per ft²pricier than$15260% of homes50% of homes
Living areabigger than4,019 ft²98% of homes95% of homes
Lot sizebigger than0.22 ac68% of homes73% of homes
Year builtnewer than200291% of homes65% of homes

About 11815 Key Biscayne Ct

How much is 11815 Key Biscayne Ct, Houston, TX worth?

The TopHap Estimate for 11815 Key Biscayne Ct, Houston, TX is $610,421 as of Sep 24, 2026. The likely range is $554,008 to $666,834. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11815 Key Biscayne Ct, Houston, TX last sell?

11815 Key Biscayne Ct, Houston, TX last sold on Aug 16, 2002 for $428,000, according to the county's recorded deed.

How big is 11815 Key Biscayne Ct, Houston, TX?

11815 Key Biscayne Ct, Houston, TX has 5 bedrooms, 3.5 bathrooms, 4,019 square feet of living space and a 0.21-acre lot.

When was 11815 Key Biscayne Ct, Houston, TX built?

11815 Key Biscayne Ct, Houston, TX was built in 2002, making it 24 years old. It is a traditional/old home. The building has 1 story.

What schools serve 11815 Key Biscayne Ct, Houston, TX?

11815 Key Biscayne Ct, Houston, TX is assigned to Emmott Elementary School (elementary), rated C-; Campbell Middle School (middle), rated C-; Cypress Ridge High School (high), rated C+. All sit in Cypress-Fairbanks Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11815 Key Biscayne Ct, Houston, TX compare to other homes in Houston 77065?

Among the 8,031 homes in Houston 77065, it is worth more than almost all of them ($610,421 against a typical $292,983), its price per square foot is higher than 60% of them ($152 against a typical $147), it is bigger than 98% of them (4,019 ft² against a typical 2,014 ft²), its lot is bigger than 68% of them (0.22 ac against a typical 0.18 ac) and it is newer than 91% of them (2002 against a typical 1984). Measured against all of Harris County, it is worth more than 89% 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 11815 Key Biscayne Ct, Houston, TX?

The 2025 property tax bill for 11815 Key Biscayne Ct, Houston, TX was $7,889. The county assessed it at $545,787.

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