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Single Family ResidenceResidential
$470,248$194 / 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 Sep 24, 2026
Last sold for $215,000 on Nov 15, 2017

911 BLACKSTONE DR

ALLEN, TX 75002
2.5
Baths
2,428 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
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

$470K
$441K low$500K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$215,000 · Nov 15, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,024 (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.$440,024 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$125,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$315,024
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$463,827
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$440,024

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCOLLIN
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.2010
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Wood (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.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 · 159 ft²

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
Vaughan Elementary SchoolA+
Elementary · Grades KG–6 · 0.1 mi
M
Ford Middle SchoolA
Middle · Grades 7–8 · 0.7 mi
H
Allen High SchoolA
High · Grades 9–12 · 1.9 mi

District: Allen Independent School District

Neighborhood · ZIP 75002These 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.37
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
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.88,326
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,239 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,302
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,629
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%

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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

911 Blackstone 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 74% of homes in Cottonwood Bend
  • Costs less per square foot than 76% of homes in Allen 75002
  • Bigger than 67% of homes in Cottonwood Bend
  • Has a bigger lot than 91% of homes in Cottonwood Bend
  • Older than 77% of homes in Collin County

What homes are worth in Allen 75002

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

This home
$267K$1.8M

This home is worth more than 47% of homes in Allen 75002.

How it measures up in Allen 75002

The dot is this home. The mark in the middle is the typical home in Allen 75002.

Estimated value$470,248
CheaperTypical $481,603Pricier

Pricier than 47% of homes nearby

Price per ft²$194
CheaperTypical $216Pricier

Pricier than 24% of homes nearby

Living area2,428 ft²
SmallerTypical 2,364 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.23 ac
SmallerTypical 0.23 acBigger

Bigger than 51% of homes nearby

Year built1991
OlderTypical 1999Newer

Newer than 34% of homes nearby

How 911 Blackstone Dr ranks against every home in each area.
MeasureThis homeCottonwood BendAllen 75002Collin County
Estimated valuepricier than$470,24874% of homes47% of homes43% of homes
Price per ft²pricier than$19440% of homes24% of homes34% of homes
Living areabigger than2,428 ft²67% of homes52% of homes50% of homes
Lot sizebigger than0.23 ac91% of homes51% of homes67% of homes
Year builtnewer than199163% of homes34% of homes23% of homes

About 911 Blackstone Dr

How much is 911 Blackstone Dr, Allen, TX worth?

The TopHap Estimate for 911 Blackstone Dr, Allen, TX is $470,248 as of Sep 24, 2026. The likely range is $440,931 to $499,565. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 911 Blackstone Dr, Allen, TX last sell?

911 Blackstone Dr, Allen, TX last sold on Nov 15, 2017 for $215,000, according to the county's recorded deed.

How big is 911 Blackstone Dr, Allen, TX?

911 Blackstone Dr, Allen, TX has 2.5 bathrooms, 2,428 square feet of living space and a 0.23-acre lot.

When was 911 Blackstone Dr, Allen, TX built?

911 Blackstone Dr, Allen, TX was built in 1991, making it 35 years old. The building has 2 stories.

What schools serve 911 Blackstone Dr, Allen, TX?

911 Blackstone Dr, Allen, TX is assigned to Vaughan Elementary School (elementary), rated A+; Ford Middle School (middle), rated A; Allen High School (high), rated A. All sit in Allen Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 911 Blackstone Dr, Allen, TX compare to other homes in Allen 75002?

Among the 22,425 homes in Allen 75002, it is worth more than 47% of them ($470,248 against a typical $481,603), its price per square foot is higher than 24% of them ($194 against a typical $216), it is bigger than 52% of them (2,428 ft² against a typical 2,364 ft²), its lot is bigger than 51% of them (0.23 ac against a typical 0.23 ac) and it is newer than 34% of them (1991 against a typical 1999). Measured against all of Collin County, it is worth more than 43% 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 911 Blackstone Dr, Allen, TX?

The 2025 property tax bill for 911 Blackstone Dr, Allen, TX was $6,024. The county assessed it at $440,024.

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