Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$426,763$231 / 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 84How 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 $130,900 on Feb 27, 2009

3307 PORTLOCK DR

DALLAS, TX 75234
3
Beds
2
Baths
1,846 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1961
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$427K
$359K low$494K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$130,900 · Feb 27, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,949 (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.$425,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$220,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$205,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$425,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$425,000

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.0.25
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
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.

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

E
Chapel Hill Preparatory SchoolC-
Elementary · Grades EE–6 · 0.8 mi
M
Thomas C. Marsh Preparatory AcademyD-
Middle · Grades 7–8 · 1.5 mi
H
W.T. White High SchoolD-
High · Grades 9–12 · 2.3 mi

District: Dallas Independent School District

Neighborhood · ZIP 75234These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.4%
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.31,254
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,897 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,959
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,854
Average tempThe average temperature here across a full year.66°F
Annual precipHow much rain and melted snow falls here in a typical year.38 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

Owner Tools

Do you own this home?
Claim this home

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

3307 Portlock 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 90% of homes in Johnston Park
  • Costs less per square foot than 76% of homes in Johnston Park
  • Bigger than 93% of homes in Johnston Park
  • Has a bigger lot than 92% of homes in Johnston Park
  • Among the newest homes in Johnston Park

What homes are worth in Dallas 75234

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

This home
$139K$1.1M

This home is worth more than 63% of homes in Dallas 75234.

How it measures up in Dallas 75234

The dot is this home. The mark in the middle is the typical home in Dallas 75234.

Estimated value$426,763
CheaperTypical $367,796Pricier

Pricier than 63% of homes nearby

Price per ft²$231
CheaperTypical $234Pricier

Pricier than 46% of homes nearby

Living area1,846 ft²
SmallerTypical 1,692 ft²Bigger

Bigger than 61% of homes nearby

Lot size0.25 ac
SmallerTypical 0.21 acBigger

Bigger than 72% of homes nearby

Year built1961
OlderTypical 1963Newer

Newer than 43% of homes nearby

How 3307 Portlock Dr ranks against every home in each area.
MeasureThis homeJohnston ParkDallas 75234Dallas County
Estimated valuepricier than$426,76390% of homes63% of homes71% of homes
Price per ft²pricier than$23124% of homes46% of homes72% of homes
Living areabigger than1,846 ft²93% of homes61% of homes57% of homes
Lot sizebigger than0.25 ac92% of homes72% of homes73% of homes
Year builtnewer than1961almost all homes43% of homes29% of homes

About 3307 Portlock Dr

How much is 3307 Portlock Dr, Dallas, TX worth?

The TopHap Estimate for 3307 Portlock Dr, Dallas, TX is $426,763 as of Sep 24, 2026. The likely range is $359,490 to $494,036. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3307 Portlock Dr, Dallas, TX last sell?

3307 Portlock Dr, Dallas, TX last sold on Feb 27, 2009 for $130,900, according to the county's recorded deed.

How big is 3307 Portlock Dr, Dallas, TX?

3307 Portlock Dr, Dallas, TX has 3 bedrooms, 2 bathrooms, 1,846 square feet of living space and a 0.25-acre lot.

When was 3307 Portlock Dr, Dallas, TX built?

3307 Portlock Dr, Dallas, TX was built in 1961, making it 65 years old. The building has 1 story.

What schools serve 3307 Portlock Dr, Dallas, TX?

3307 Portlock Dr, Dallas, TX is assigned to Chapel Hill Preparatory School (elementary), rated C-; Thomas C. Marsh Preparatory Academy (middle), rated D-; W.T. White High School (high), rated D-. All sit in Dallas Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3307 Portlock Dr, Dallas, TX compare to other homes in Dallas 75234?

Among the 9,581 homes in Dallas 75234, it is worth more than 63% of them ($426,763 against a typical $367,796), its price per square foot is higher than 46% of them ($231 against a typical $234), it is bigger than 61% of them (1,846 ft² against a typical 1,692 ft²), its lot is bigger than 72% of them (0.25 ac against a typical 0.21 ac) and it is newer than 43% of them (1961 against a typical 1963). Measured against all of Dallas County, it is worth more than 71% 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 3307 Portlock Dr, Dallas, TX?

The 2025 property tax bill for 3307 Portlock Dr, Dallas, TX was $7,949. The county assessed it at $425,000.

More homes on Portlock Dr

Closest homes

More homes in Dallas 75234

Assigned schools

Explore the area

See this home in context

Open 3307 Portlock Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map