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Single Family ResidenceResidential
$523,719$209 / 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 Aug 30, 2026
Last sold for $439,400 on Jan 30, 2018

20402 DUNCAN RUN LN

CYPRESS, TX 77433
4
Beds
3.5
Baths
2,511 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.
0.21 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.
2
StoriesHow many floors the home has above ground.
9
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

$524K
$481K low$567K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$439,400 · Jan 30, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,899 (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.$444,777 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$73,742
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$371,035
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$464,348
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$444,777

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.0.21
ConstructionThe main material the home's frame and walls are built from.Brick
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

Transaction History(2)

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.

M
Smith Middle SchoolA+
Middle · Grades 6–8 · 0.2 mi
E
Warner Elementary SchoolA+
Elementary · Grades PK–5 · 0.3 mi
H
Cypress Ranch High SchoolA-
High · Grades 9–12 · 0.4 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

20402 Duncan Run Ln 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 86% of homes in Harris County
  • Costs more per square foot than 88% of homes in Cypress Creek Lakes
  • Smaller than 91% of homes in Cypress Creek Lakes
  • Has a bigger lot than 71% of homes in Harris County
  • Newer than 98% of homes in Cypress Creek Lakes

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
$208K$1.3M

This home is worth more than 65% 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$523,719
CheaperTypical $436,524Pricier

Pricier than 65% of homes nearby

Price per ft²$209
CheaperTypical $169Pricier

Pricier than 85% of homes nearby

Living area2,511 ft²
SmallerTypical 2,660 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.21 ac
SmallerTypical 0.17 acBigger

Bigger than 70% of homes nearby

Year built2017
OlderTypical 2014Newer

Newer than 62% of homes nearby

How 20402 Duncan Run Ln ranks against every home in each area.
MeasureThis homeCypress Creek LakesCypress 77433Harris County
Estimated valuepricier than$523,71925% of homes65% of homes86% of homes
Price per ft²pricier than$20988% of homes85% of homes84% of homes
Living areabigger than2,511 ft²9% of homes44% of homes74% of homes
Lot sizebigger than0.21 ac49% of homes70% of homes71% of homes
Year builtnewer than201798% of homes62% of homes88% of homes

About 20402 Duncan Run Ln

How much is 20402 Duncan Run Ln, Cypress, TX worth?

The TopHap Estimate for 20402 Duncan Run Ln, Cypress, TX is $523,719 as of Aug 30, 2026. The likely range is $480,569 to $566,869. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20402 Duncan Run Ln, Cypress, TX last sell?

20402 Duncan Run Ln, Cypress, TX last sold on Jan 30, 2018 for $439,400, according to the county's recorded deed.

How big is 20402 Duncan Run Ln, Cypress, TX?

20402 Duncan Run Ln, Cypress, TX has 4 bedrooms, 3.5 bathrooms, 2,511 square feet of living space and a 0.21-acre lot.

When was 20402 Duncan Run Ln, Cypress, TX built?

20402 Duncan Run Ln, Cypress, TX was built in 2017, making it 9 years old. The building has 2 stories.

What schools serve 20402 Duncan Run Ln, Cypress, TX?

20402 Duncan Run Ln, Cypress, TX is assigned to Smith Middle School (middle), rated A+; Warner Elementary School (elementary), rated A+; Cypress Ranch 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 20402 Duncan Run Ln, Cypress, TX compare to other homes in Cypress 77433?

Among the 44,288 homes in Cypress 77433, it is worth more than 65% of them ($523,719 against a typical $436,524), its price per square foot is higher than 85% of them ($209 against a typical $169), it is bigger than 44% of them (2,511 ft² against a typical 2,660 ft²), its lot is bigger than 70% of them (0.21 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 86% 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 20402 Duncan Run Ln, Cypress, TX?

The 2025 property tax bill for 20402 Duncan Run Ln, Cypress, TX was $8,899. The county assessed it at $444,777.

More homes on Duncan Run Ln

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