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Single Family ResidenceResidential
$228,009$154 / 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 Oct 21, 2026
Last sold for $232,750 on Dec 20, 2023

123 ALASTAIR DR

PASADENA, TX 77506
3
Beds
2
Baths
1,477 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$228K
$208K low$248K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$232,750 · Dec 20, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,503 (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.$244,863 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$67,320
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$177,543
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$244,863
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$244,863

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.18 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.''

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
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyHARRIS
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.2004
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
ViewThe type of view from the property, or another feature of the site that affects value.Neighborhood
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 209 ft²Porch · 48 ft²

Transaction History(5)

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
Red Bluff Elementary SchoolC+
Elementary · Grades PK–4 · 0.5 mi
H
Pasadena High SchoolD+
High · Grades 9–12 · 1.6 mi
M
San Jacinto Intermediate SchoolC
Middle · Grades 7–8 · 2.4 mi

District: Pasadena Independent School District

Neighborhood · ZIP 77506These 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.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
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.90%
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.20%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.36,132
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,752 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$49,712
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$60,075
Average tempThe average temperature here across a full year.69°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

123 Alastair 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 83% of homes in Pasadena 77506
  • Smaller than 73% of homes in Harris County
  • Has a bigger lot than 66% of homes in Pasadena 77506
  • Older than 90% of homes in Harris County

What homes are worth in Pasadena 77506

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

This home
$118K$310K

This home is worth more than 83% of homes in Pasadena 77506.

How it measures up in Pasadena 77506

The dot is this home. The mark in the middle is the typical home in Pasadena 77506.

Estimated value$228,009
CheaperTypical $177,653Pricier

Pricier than 83% of homes nearby

Price per ft²$154
CheaperTypical $144Pricier

Pricier than 63% of homes nearby

Living area1,477 ft²
SmallerTypical 1,236 ft²Bigger

Bigger than 72% of homes nearby

Lot size0.17 ac
SmallerTypical 0.16 acBigger

Bigger than 66% of homes nearby

Year built1952
OlderTypical 1951Newer

Newer than 59% of homes nearby

How 123 Alastair Dr ranks against every home in each area.
MeasureThis homePasadena 77506Harris County
Estimated valuepricier than$228,00983% of homes28% of homes
Price per ft²pricier than$15463% of homes55% of homes
Living areabigger than1,477 ft²72% of homes27% of homes
Lot sizebigger than0.17 ac66% of homes50% of homes
Year builtnewer than195259% of homes10% of homes

About 123 Alastair Dr

How much is 123 Alastair Dr, Pasadena, TX worth?

The TopHap Estimate for 123 Alastair Dr, Pasadena, TX is $228,009 as of Oct 21, 2026. The likely range is $207,853 to $248,165. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 123 Alastair Dr, Pasadena, TX last sell?

123 Alastair Dr, Pasadena, TX last sold on Dec 20, 2023 for $232,750, according to the county's recorded deed.

How big is 123 Alastair Dr, Pasadena, TX?

123 Alastair Dr, Pasadena, TX has 3 bedrooms, 2 bathrooms, 1,477 square feet of living space and a 0.17-acre lot.

When was 123 Alastair Dr, Pasadena, TX built?

123 Alastair Dr, Pasadena, TX was built in 1952, making it 74 years old. It is a traditional/old home. The building has 1 story.

What schools serve 123 Alastair Dr, Pasadena, TX?

123 Alastair Dr, Pasadena, TX is assigned to Red Bluff Elementary School (elementary), rated C+; Pasadena High School (high), rated D+; San Jacinto Intermediate School (middle), rated C. All sit in Pasadena Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 123 Alastair Dr, Pasadena, TX compare to other homes in Pasadena 77506?

Among the 6,928 homes in Pasadena 77506, it is worth more than 83% of them ($228,009 against a typical $177,653), its price per square foot is higher than 63% of them ($154 against a typical $144), it is bigger than 72% of them (1,477 ft² against a typical 1,236 ft²), its lot is bigger than 66% of them (0.17 ac against a typical 0.16 ac) and it is newer than 59% of them (1952 against a typical 1951). Measured against all of Harris County, it is worth more than 28% 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 123 Alastair Dr, Pasadena, TX?

The 2025 property tax bill for 123 Alastair Dr, Pasadena, TX was $3,503. The county assessed it at $244,863.

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