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Single Family ResidenceResidential
$513,893$155 / 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 90How 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

4423 THREE RIVERS DR

SUGAR LAND, TX 77478
5
Beds
2
Baths
3,305 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$514K
$461K low$567K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,085 (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.$418,099 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$62,920
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$355,179
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$418,099
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$418,099

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.12 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.0.2 percent flood zone

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.Conventional
CountyFort Bend
Lot (acres)The size of the land the home sits on, from county records.0.26
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 378 ft²Patio · 378 ft²Porch · 146 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
Dulles Elementary SchoolD+
Elementary · Grades PK–5 · 0.9 mi
H
Dulles High SchoolA-
High · Grades 9–12 · 1.1 mi
M
Dulles Middle SchoolA-
Middle · Grades 6–8 · 1.3 mi

District: Fort Bend Independent School District

Neighborhood · ZIP 77478These 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.113
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 100.20

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.28,895
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,715 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,304
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,376
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%

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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

4423 Three Rivers 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 86% of homes in First Colony
  • Costs less per square foot than 77% of homes in First Colony
  • Bigger than 90% of homes in First Colony
  • Has a bigger lot than 90% of homes in First Colony
  • Older than 78% of homes in Fort Bend County

What homes are worth in Sugar Land 77478

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

This home
$250K$1.6M

This home is worth more than 69% of homes in Sugar Land 77478.

How it measures up in Sugar Land 77478

The dot is this home. The mark in the middle is the typical home in Sugar Land 77478.

Estimated value$513,893
CheaperTypical $430,571Pricier

Pricier than 69% of homes nearby

Price per ft²$155
CheaperTypical $166Pricier

Pricier than 34% of homes nearby

Living area3,305 ft²
SmallerTypical 2,675 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.26 ac
SmallerTypical 0.19 acBigger

Bigger than 81% of homes nearby

Year built1988
OlderTypical 1986Newer

Newer than 58% of homes nearby

How 4423 Three Rivers Dr ranks against every home in each area.
MeasureThis homeFirst ColonySugar Land 77478Fort Bend County
Estimated valuepricier than$513,89386% of homes69% of homes72% of homes
Price per ft²pricier than$15523% of homes34% of homes41% of homes
Living areabigger than3,305 ft²90% of homes76% of homes78% of homes
Lot sizebigger than0.26 ac90% of homes81% of homes80% of homes
Year builtnewer than198854% of homes58% of homes22% of homes

About 4423 Three Rivers Dr

How much is 4423 Three Rivers Dr, Sugar Land, TX worth?

The TopHap Estimate for 4423 Three Rivers Dr, Sugar Land, TX is $513,893 as of Sep 24, 2026. The likely range is $460,900 to $566,886. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4423 Three Rivers Dr, Sugar Land, TX last sell?

4423 Three Rivers Dr, Sugar Land, TX last sold on Jul 13, 2015, according to the county's recorded deed.

How big is 4423 Three Rivers Dr, Sugar Land, TX?

4423 Three Rivers Dr, Sugar Land, TX has 5 bedrooms, 2 bathrooms, 3,305 square feet of living space and a 0.26-acre lot.

When was 4423 Three Rivers Dr, Sugar Land, TX built?

4423 Three Rivers Dr, Sugar Land, TX was built in 1988, making it 38 years old. It is a conventional home. The building has 2 stories.

What schools serve 4423 Three Rivers Dr, Sugar Land, TX?

4423 Three Rivers Dr, Sugar Land, TX is assigned to Dulles Elementary School (elementary), rated D+; Dulles High School (high), rated A-; Dulles Middle School (middle), rated A-. All sit in Fort Bend Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4423 Three Rivers Dr, Sugar Land, TX compare to other homes in Sugar Land 77478?

Among the 8,377 homes in Sugar Land 77478, it is worth more than 69% of them ($513,893 against a typical $430,571), its price per square foot is higher than 34% of them ($155 against a typical $166), it is bigger than 76% of them (3,305 ft² against a typical 2,675 ft²), its lot is bigger than 81% of them (0.26 ac against a typical 0.19 ac) and it is newer than 58% of them (1988 against a typical 1986). Measured against all of Fort Bend County, it is worth more than 72% 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 4423 Three Rivers Dr, Sugar Land, TX?

The 2025 property tax bill for 4423 Three Rivers Dr, Sugar Land, TX was $3,085. The county assessed it at $418,099.

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