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Single Family ResidenceResidential
$467,992$148 / 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 93How 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 $247,000 on Apr 20, 2015

823 ROCK CANYON DR

DUNCANVILLE, TX 75137
3
Beds
3.5
Baths
3,171 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.
0.77 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$468K
$434K low$502K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$247,000 · Apr 20, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,824 (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.$486,240 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$85,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$401,240
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$486,240
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$486,240

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.94 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.1 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
CountyDALLAS
Lot (acres)The size of the land the home sits on, from county records.0.77
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.Tile
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Wet bar

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.

Foreclosure Filings(1)

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

E
Daniel Elementary SchoolD
Elementary · Grades PK–5 · 0.5 mi
M
Byrd Middle SchoolD-
Middle · Grades 6–8 · 0.8 mi
H
Duncanville High SchoolD+
High · Grades 9–12 · 1.7 mi

District: Duncanville Independent School District

Neighborhood · ZIP 75137These 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.43
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.20%
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.1.1%
PopulationHow many people live in this area.19,591
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,247 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,031
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$106,208
Average tempThe average temperature here across a full year.65°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%

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

823 Rock Canyon 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 94% of homes in Duncanville 75137
  • Costs less per square foot than 88% of homes in Dallas County
  • Bigger than 93% of homes in Duncanville 75137
  • Has a bigger lot than 95% of homes in Duncanville 75137
  • Older than 74% of homes in Duncanville 75137

What homes are worth in Duncanville 75137

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

This home
$170K$544K

This home is worth more than 94% of homes in Duncanville 75137.

How it measures up in Duncanville 75137

The dot is this home. The mark in the middle is the typical home in Duncanville 75137.

Estimated value$467,992
CheaperTypical $281,474Pricier

Pricier than 94% of homes nearby

Price per ft²$148
CheaperTypical $161Pricier

Pricier than 26% of homes nearby

Living area3,171 ft²
SmallerTypical 1,782 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.77 ac
SmallerTypical 0.2 acBigger

Bigger than 95% of homes nearby

Year built1973
OlderTypical 1980Newer

Newer than 26% of homes nearby

How 823 Rock Canyon Dr ranks against every home in each area.
MeasureThis homeGreenway EstatesDuncanville 75137Dallas County
Estimated valuepricier than$467,99283% of homes94% of homes74% of homes
Price per ft²pricier than$14849% of homes26% of homes12% of homes
Living areabigger than3,171 ft²77% of homes93% of homes89% of homes
Lot sizebigger than0.77 ac91% of homes95% of homes92% of homes
Year builtnewer than197327% of homes26% of homes46% of homes

About 823 Rock Canyon Dr

How much is 823 Rock Canyon Dr, Duncanville, TX worth?

The TopHap Estimate for 823 Rock Canyon Dr, Duncanville, TX is $467,992 as of Aug 30, 2026. The likely range is $433,749 to $502,235. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 823 Rock Canyon Dr, Duncanville, TX last sell?

823 Rock Canyon Dr, Duncanville, TX last sold on Apr 20, 2015 for $247,000, according to the county's recorded deed.

How big is 823 Rock Canyon Dr, Duncanville, TX?

823 Rock Canyon Dr, Duncanville, TX has 3 bedrooms, 3.5 bathrooms, 3,171 square feet of living space and a 0.77-acre lot.

When was 823 Rock Canyon Dr, Duncanville, TX built?

823 Rock Canyon Dr, Duncanville, TX was built in 1973, making it 53 years old. The building has 1 story.

What schools serve 823 Rock Canyon Dr, Duncanville, TX?

823 Rock Canyon Dr, Duncanville, TX is assigned to Daniel Elementary School (elementary), rated D; Byrd Middle School (middle), rated D-; Duncanville High School (high), rated D+. All sit in Duncanville Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 823 Rock Canyon Dr, Duncanville, TX compare to other homes in Duncanville 75137?

Among the 6,418 homes in Duncanville 75137, it is worth more than 94% of them ($467,992 against a typical $281,474), its price per square foot is higher than 26% of them ($148 against a typical $161), it is bigger than 93% of them (3,171 ft² against a typical 1,782 ft²), its lot is bigger than 95% of them (0.77 ac against a typical 0.2 ac) and it is newer than 26% of them (1973 against a typical 1980). Measured against all of Dallas County, it is worth more than 74% 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 823 Rock Canyon Dr, Duncanville, TX?

The 2025 property tax bill for 823 Rock Canyon Dr, Duncanville, TX was $8,824. The county assessed it at $486,240.

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