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Single Family ResidenceResidential
$439,366$126 / 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 96How 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 $350,300 on May 3, 2019

12639 BLACKSTONE RIVER DR

HUMBLE, TX 77346
4
Beds
3.5
Baths
3,490 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$439K
$424K low$455K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$350,300 · May 3, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,013 (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.$422,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$73,462
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$349,338
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$414,794
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$422,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyHARRIS
Lot (acres)The size of the land the home sits on, from county records.0.20
ConstructionThe main material the home's frame and walls are built from.Brick
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
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Buildable
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 231 ft²

Transaction History(4)

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
Eagle Springs Elementary SchoolB
Elementary · Grades PK–5 · 0.1 mi
H
Atascocita High SchoolC+
High · Grades 9–12 · 0.8 mi
M
Timberwood Middle SchoolC+
Middle · Grades 6–8 · 1.0 mi

District: Humble Independent School District

Neighborhood · ZIP 77346These 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.30
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
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.73,331
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,556 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,711
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,992
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.53 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

12639 Blackstone River 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 85% of homes in Humble 77346
  • Costs less per square foot than 89% of homes in Eagle Springs
  • Bigger than 92% of homes in Harris County
  • Has a bigger lot than 72% of homes in Humble 77346
  • Newer than 73% of homes in Harris County

What homes are worth in Humble 77346

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

This home
$195K$689K

This home is worth more than 85% of homes in Humble 77346.

How it measures up in Humble 77346

The dot is this home. The mark in the middle is the typical home in Humble 77346.

Estimated value$439,366
CheaperTypical $315,604Pricier

Pricier than 85% of homes nearby

Price per ft²$126
CheaperTypical $134Pricier

Pricier than 35% of homes nearby

Living area3,490 ft²
SmallerTypical 2,436 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.2 ac
SmallerTypical 0.17 acBigger

Bigger than 72% of homes nearby

Year built2005
OlderTypical 2003Newer

Newer than 59% of homes nearby

How 12639 Blackstone River Dr ranks against every home in each area.
MeasureThis homeEagle SpringsHumble 77346Harris County
Estimated valuepricier than$439,36672% of homes85% of homes79% of homes
Price per ft²pricier than$12611% of homes35% of homes20% of homes
Living areabigger than3,490 ft²80% of homes89% of homes92% of homes
Lot sizebigger than0.2 ac64% of homes72% of homes68% of homes
Year builtnewer than200537% of homes59% of homes73% of homes

About 12639 Blackstone River Dr

How much is 12639 Blackstone River Dr, Humble, TX worth?

The TopHap Estimate for 12639 Blackstone River Dr, Humble, TX is $439,366 as of Sep 24, 2026. The likely range is $423,664 to $455,068. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12639 Blackstone River Dr, Humble, TX last sell?

12639 Blackstone River Dr, Humble, TX last sold on May 3, 2019 for $350,300, according to the county's recorded deed.

How big is 12639 Blackstone River Dr, Humble, TX?

12639 Blackstone River Dr, Humble, TX has 4 bedrooms, 3.5 bathrooms, 3,490 square feet of living space and a 0.20-acre lot.

When was 12639 Blackstone River Dr, Humble, TX built?

12639 Blackstone River Dr, Humble, TX was built in 2005, making it 21 years old. The building has 2 stories.

What schools serve 12639 Blackstone River Dr, Humble, TX?

12639 Blackstone River Dr, Humble, TX is assigned to Eagle Springs Elementary School (elementary), rated B; Atascocita High School (high), rated C+; Timberwood Middle School (middle), rated C+. All sit in Humble Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12639 Blackstone River Dr, Humble, TX compare to other homes in Humble 77346?

Among the 25,621 homes in Humble 77346, it is worth more than 85% of them ($439,366 against a typical $315,604), its price per square foot is higher than 35% of them ($126 against a typical $134), it is bigger than 89% of them (3,490 ft² against a typical 2,436 ft²), its lot is bigger than 72% of them (0.2 ac against a typical 0.17 ac) and it is newer than 59% of them (2005 against a typical 2003). Measured against all of Harris County, it is worth more than 79% 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 12639 Blackstone River Dr, Humble, TX?

The 2025 property tax bill for 12639 Blackstone River Dr, Humble, TX was $9,013. The county assessed it at $422,800.

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