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Single Family ResidenceResidential
$129,102$141 / 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 Sep 24, 2026

3121 GRANT ST

PASADENA, TX 77503
2
Beds
1
Baths
918 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$129K
$120K low$139K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,947 (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.$122,102 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,250
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$70,852
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$123,406
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$122,102

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
Lot (acres)The size of the land the home sits on, from county records.0.12
ConstructionThe main material the home's frame and walls are built from.Metal Frame (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.Porch · 90 ft²

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

M
Deepwater Junior High SchoolB
Middle · Grades 6–8 · 0.4 mi
E
Parkwood Elementary School
Elementary · Grades PK–2 · 0.6 mi
H
Deer Park High School South CampusB+
High · Grades 10–12 · 2.7 mi

District: Deer Park Independent School District

Neighborhood · ZIP 77503These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.9.6%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.26,449
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,184 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$57,690
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,027
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.54 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

3121 Grant 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.

  • Among the least valuable homes in Pasadena 77503
  • Costs less per square foot than 65% of homes in Pasadena 77503
  • Smaller than 96% of homes in Harris County
  • Has a smaller lot than 88% of homes in Pasadena 77503
  • Older than 89% of homes in Harris County

What homes are worth in Pasadena 77503

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

This home
$136K$422K

This home is worth less than almost all homes in Pasadena 77503.

How it measures up in Pasadena 77503

The dot is this home. The mark in the middle is the typical home in Pasadena 77503.

Estimated value$129,102
CheaperTypical $213,530Pricier

Cheaper than almost all homes nearby

Price per ft²$141
CheaperTypical $154Pricier

Pricier than 35% of homes nearby

Living area918 ft²
SmallerTypical 1,353 ft²Bigger

Bigger than 7% of homes nearby

Lot size0.11 ac
SmallerTypical 0.16 acBigger

Bigger than 12% of homes nearby

Year built1954
OlderTypical 1963Newer

Newer than 16% of homes nearby

How 3121 Grant St ranks against every home in each area.
MeasureThis homePasadena 77503Harris County
Estimated valuepricier than$129,102almost no homes3% of homes
Price per ft²pricier than$14135% of homes37% of homes
Living areabigger than918 ft²7% of homes4% of homes
Lot sizebigger than0.11 ac12% of homes15% of homes
Year builtnewer than195416% of homes11% of homes

About 3121 Grant St

How much is 3121 Grant St, Pasadena, TX worth?

The TopHap Estimate for 3121 Grant St, Pasadena, TX is $129,102 as of Sep 24, 2026. The likely range is $119,698 to $138,506. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3121 Grant St, Pasadena, TX last sell?

3121 Grant St, Pasadena, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3121 Grant St, Pasadena, TX?

3121 Grant St, Pasadena, TX has 2 bedrooms, 1 bathrooms, 918 square feet of living space and a 0.12-acre lot.

When was 3121 Grant St, Pasadena, TX built?

3121 Grant St, Pasadena, TX was built in 1954, making it 72 years old. It is a traditional/old home. The building has 1 story.

What schools serve 3121 Grant St, Pasadena, TX?

3121 Grant St, Pasadena, TX is assigned to Deepwater Junior High School (middle), rated B; Parkwood Elementary School (elementary); Deer Park High School South Campus (high), rated B+. All sit in Deer Park Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3121 Grant St, Pasadena, TX compare to other homes in Pasadena 77503?

Among the 6,208 homes in Pasadena 77503, it is worth more than almost none of them ($129,102 against a typical $213,530), its price per square foot is higher than 35% of them ($141 against a typical $154), it is bigger than 7% of them (918 ft² against a typical 1,353 ft²), its lot is bigger than 12% of them (0.11 ac against a typical 0.16 ac) and it is newer than 16% of them (1954 against a typical 1963). Measured against all of Harris County, it is worth more than 3% 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 3121 Grant St, Pasadena, TX?

The 2025 property tax bill for 3121 Grant St, Pasadena, TX was $2,947. The county assessed it at $122,102.

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