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Single Family ResidenceResidential
$625,000$195 / 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 Aug 30, 2026
Last sold for $332,290 on Sep 4, 2026

5434 PORTAGE ROCK LN

KATY, TX 77450
4
Beds
3.5
Baths
3,206 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.
2000
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

$625K
$594K low$656K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$332,290 · Sep 4, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,764 (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.$544,388 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$87,230
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$457,158
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$502,864
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$544,388

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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.19
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.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 · 92 ft²

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
Betty Sue Creech Elementary SchoolA+
Elementary · Grades PK–5 · 0.5 mi
M
Beck Junior High SchoolA+
Middle · Grades 6–8 · 0.8 mi
H
Cinco Ranch High SchoolA-
High · Grades 9–12 · 2.8 mi

District: Katy Independent School District

Neighborhood · ZIP 77450These 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.50
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.76,790
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,299 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,395
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$139,266
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

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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

5434 Portage Rock 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 85% of homes in Katy 77450
  • Costs more per square foot than 90% of homes in Katy 77450
  • Bigger than 76% of homes in Fort Bend County
  • Newer than 80% of homes in Katy 77450

What homes are worth in Katy 77450

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

This home
$238K$950K

This home is worth more than 85% of homes in Katy 77450.

How it measures up in Katy 77450

The dot is this home. The mark in the middle is the typical home in Katy 77450.

Estimated value$625,000
CheaperTypical $389,131Pricier

Pricier than 85% of homes nearby

Price per ft²$195
CheaperTypical $161Pricier

Pricier than 90% of homes nearby

Living area3,206 ft²
SmallerTypical 2,487 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.19 ac
SmallerTypical 0.19 acBigger

Bigger than 60% of homes nearby

Year built2000
OlderTypical 1993Newer

Newer than 80% of homes nearby

How 5434 Portage Rock Ln ranks against every home in each area.
MeasureThis homeKaty 77450Fort Bend County
Estimated valuepricier than$625,00085% of homes83% of homes
Price per ft²pricier than$19590% of homes83% of homes
Living areabigger than3,206 ft²75% of homes76% of homes
Lot sizebigger than0.19 ac60% of homes58% of homes
Year builtnewer than200080% of homes38% of homes

About 5434 Portage Rock Ln

How much is 5434 Portage Rock Ln, Katy, TX worth?

The TopHap Estimate for 5434 Portage Rock Ln, Katy, TX is $625,000 as of Aug 30, 2026. The likely range is $593,922 to $656,078. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 5434 Portage Rock Ln, Katy, TX last sell?

5434 Portage Rock Ln, Katy, TX last sold on Sep 4, 2026 for $332,290, according to the county's recorded deed.

How big is 5434 Portage Rock Ln, Katy, TX?

5434 Portage Rock Ln, Katy, TX has 4 bedrooms, 3.5 bathrooms, 3,206 square feet of living space and a 0.19-acre lot.

When was 5434 Portage Rock Ln, Katy, TX built?

5434 Portage Rock Ln, Katy, TX was built in 2000, making it 26 years old. It is a conventional home. The building has 2 stories.

What schools serve 5434 Portage Rock Ln, Katy, TX?

5434 Portage Rock Ln, Katy, TX is assigned to Betty Sue Creech Elementary School (elementary), rated A+; Beck Junior High School (middle), rated A+; Cinco Ranch High School (high), rated A-. All sit in Katy Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 5434 Portage Rock Ln, Katy, TX compare to other homes in Katy 77450?

Among the 20,001 homes in Katy 77450, it is worth more than 85% of them ($625,000 against a typical $389,131), its price per square foot is higher than 90% of them ($195 against a typical $161), it is bigger than 75% of them (3,206 ft² against a typical 2,487 ft²), its lot is bigger than 60% of them (0.19 ac against a typical 0.19 ac) and it is newer than 80% of them (2000 against a typical 1993). Measured against all of Fort Bend County, it is worth more than 83% 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 5434 Portage Rock Ln, Katy, TX?

The 2025 property tax bill for 5434 Portage Rock Ln, Katy, TX was $8,764. The county assessed it at $544,388.

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