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Single Family ResidenceResidential
$273,614$217 / 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 91How 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 $287,594 on Feb 3, 2025

521 HELENA ST

DALLAS, TX 75217
3
Beds
2
Baths
1,263 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$274K
$248K low$299K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$287,594 · Feb 3, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,861 (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.$287,130 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$70,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$217,130
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$173,380
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$287,130

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDALLAS
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2000
Lot (acres)The size of the land the home sits on, from county records.0.16
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Rufus C. Burleson Elementary SchoolB
Elementary · Grades EE–5 · 0.2 mi
M
E.B. Comstock Middle SchoolF
Middle · Grades 6–8 · 0.8 mi
H
H. Grady Spruce High SchoolF
High · Grades 9–12 · 3.7 mi

District: Dallas Independent School District

Neighborhood · ZIP 75217These 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.70
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.5.1%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.22%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.82,511
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,051 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$51,779
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$62,260
Average tempThe average temperature here across a full year.66°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

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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

521 Helena St 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 92% of homes in Pemberton Hill
  • Costs more per square foot than 95% of homes in Pemberton Hill
  • Smaller than 76% of homes in Dallas County
  • Has a smaller lot than 81% of homes in Dallas 75217
  • Older than 88% of homes in Dallas County

What homes are worth in Dallas 75217

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

This home
$129K$334K

This home is worth more than 89% of homes in Dallas 75217.

How it measures up in Dallas 75217

The dot is this home. The mark in the middle is the typical home in Dallas 75217.

Estimated value$273,614
CheaperTypical $217,133Pricier

Pricier than 89% of homes nearby

Price per ft²$217
CheaperTypical $173Pricier

Pricier than 92% of homes nearby

Living area1,263 ft²
SmallerTypical 1,260 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.16 ac
SmallerTypical 0.18 acBigger

Bigger than 19% of homes nearby

Year built1950
OlderTypical 1960Newer

Newer than 18% of homes nearby

How 521 Helena St ranks against every home in each area.
MeasureThis homePemberton HillDallas 75217Dallas County
Estimated valuepricier than$273,61492% of homes89% of homes36% of homes
Price per ft²pricier than$21795% of homes92% of homes67% of homes
Living areabigger than1,263 ft²54% of homes50% of homes24% of homes
Lot sizebigger than0.16 ac24% of homes19% of homes24% of homes
Year builtnewer than195014% of homes18% of homes12% of homes

About 521 Helena St

How much is 521 Helena St, Dallas, TX worth?

The TopHap Estimate for 521 Helena St, Dallas, TX is $273,614 as of Sep 24, 2026. The likely range is $247,974 to $299,254. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Helena St, Dallas, TX last sell?

521 Helena St, Dallas, TX last sold on Feb 3, 2025 for $287,594, according to the county's recorded deed.

How big is 521 Helena St, Dallas, TX?

521 Helena St, Dallas, TX has 3 bedrooms, 2 bathrooms, 1,263 square feet of living space and a 0.16-acre lot.

When was 521 Helena St, Dallas, TX built?

521 Helena St, Dallas, TX was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 521 Helena St, Dallas, TX?

521 Helena St, Dallas, TX is assigned to Rufus C. Burleson Elementary School (elementary), rated B; E.B. Comstock Middle School (middle), rated F; H. Grady Spruce High School (high), rated F. All sit in Dallas Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Helena St, Dallas, TX compare to other homes in Dallas 75217?

Among the 20,379 homes in Dallas 75217, it is worth more than 89% of them ($273,614 against a typical $217,133), its price per square foot is higher than 92% of them ($217 against a typical $173), it is bigger than 50% of them (1,263 ft² against a typical 1,260 ft²), its lot is bigger than 19% of them (0.16 ac against a typical 0.18 ac) and it is newer than 18% of them (1950 against a typical 1960). Measured against all of Dallas County, it is worth more than 36% 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 521 Helena St, Dallas, TX?

The 2025 property tax bill for 521 Helena St, Dallas, TX was $3,861. The county assessed it at $287,130.

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