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Single Family ResidenceResidential
$501,092$144 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

6406 PORT ISABEL DR

ROWLETT, TX 75089
5
Beds
2.5
Baths
3,491 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
2001
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

$501K
$473K low$529K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$307,092
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$245,674
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.39%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$194,000
TEXANS CU · recorded May 10, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,136 (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.$622,560 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$180,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$442,560
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$622,560
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$622,560

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.66 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.minimal

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
CountyDALLAS
Lot (acres)The size of the land the home sits on, from county records.0.34
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Schrade Middle SchoolD
Middle · Grades 6–8 · 0.9 mi
H
Rowlett High SchoolC
High · Grades 9–12 · 1.0 mi
E
Giddens-Steadham Elementary SchoolC+
Elementary · Grades PK–5 · 1.0 mi

District: Garland Independent School District

Neighborhood · ZIP 75089These 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.41
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.30

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.29%
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.1.5%
PopulationHow many people live in this area.31,528
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,473 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$108,786
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$130,754
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

6406 Port Isabel 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 97% of homes in Mariner Park
  • Costs less per square foot than 90% of homes in Rowlett 75089
  • Bigger than 97% of homes in Mariner Park
  • Among the largest lots in Mariner Park
  • Among the newest homes in Mariner Park

What homes are worth in Rowlett 75089

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

This home
$257K$672K

This home is worth more than 85% of homes in Rowlett 75089.

How it measures up in Rowlett 75089

The dot is this home. The mark in the middle is the typical home in Rowlett 75089.

Estimated value$501,092
CheaperTypical $377,430Pricier

Pricier than 85% of homes nearby

Price per ft²$144
CheaperTypical $174Pricier

Pricier than 10% of homes nearby

Living area3,491 ft²
SmallerTypical 2,199 ft²Bigger

Bigger than 91% of homes nearby

Lot size0.33 ac
SmallerTypical 0.18 acBigger

Bigger than 90% of homes nearby

Year built2001
OlderTypical 1999Newer

Newer than 65% of homes nearby

How 6406 Port Isabel Dr ranks against every home in each area.
MeasureThis homeMariner ParkRowlett 75089Dallas County
Estimated valuepricier than$501,09297% of homes85% of homes76% of homes
Price per ft²pricier than$14424% of homes10% of homes10% of homes
Living areabigger than3,491 ft²97% of homes91% of homes92% of homes
Lot sizebigger than0.33 acalmost all homes90% of homes83% of homes
Year builtnewer than2001almost all homes65% of homes80% of homes

About 6406 Port Isabel Dr

How much is 6406 Port Isabel Dr, Rowlett, TX worth?

The TopHap Estimate for 6406 Port Isabel Dr, Rowlett, TX is $501,092 as of Jul 14, 2026. The likely range is $473,480 to $528,704. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6406 Port Isabel Dr, Rowlett, TX last sell?

6406 Port Isabel Dr, Rowlett, TX last sold on Feb 4, 2002, according to the county's recorded deed.

How big is 6406 Port Isabel Dr, Rowlett, TX?

6406 Port Isabel Dr, Rowlett, TX has 5 bedrooms, 2.5 bathrooms, 3,491 square feet of living space and a 0.34-acre lot.

When was 6406 Port Isabel Dr, Rowlett, TX built?

6406 Port Isabel Dr, Rowlett, TX was built in 2001, making it 25 years old. The building has 2 stories.

What schools serve 6406 Port Isabel Dr, Rowlett, TX?

6406 Port Isabel Dr, Rowlett, TX is assigned to Schrade Middle School (middle), rated D; Rowlett High School (high), rated C; Giddens-Steadham Elementary School (elementary), rated C+. All sit in Garland Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6406 Port Isabel Dr, Rowlett, TX compare to other homes in Rowlett 75089?

Among the 11,570 homes in Rowlett 75089, it is worth more than 85% of them ($501,092 against a typical $377,430), its price per square foot is higher than 10% of them ($144 against a typical $174), it is bigger than 91% of them (3,491 ft² against a typical 2,199 ft²), its lot is bigger than 90% of them (0.33 ac against a typical 0.18 ac) and it is newer than 65% of them (2001 against a typical 1999). Measured against all of Dallas County, it is worth more than 76% 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 6406 Port Isabel Dr, Rowlett, TX?

The 2025 property tax bill for 6406 Port Isabel Dr, Rowlett, TX was $11,136. The county assessed it at $622,560.

Closest homes

More homes in Rowlett 75089

Assigned schools

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