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Single Family ResidenceResidential
$217,887$109 / 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 92How 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

21 CASA GRANDE

BROWNSVILLE, TX 78521
0
Baths
2,002 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
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

$218K
$200K low$236K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,307 (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.$184,327 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$167,570
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$220,196

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
98
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
41
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyCAMERON
Lot (acres)The size of the land the home sits on, from county records.0.18
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 248 ft²

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

H
Hanna Early College High SchoolC+
High · Grades 9–12 · 0.3 mi
E
Hudson Elementary SchoolA-
Elementary · Grades KG–5 · 0.4 mi
M
Oliveira Middle SchoolC
Middle · Grades 6–8 · 1.0 mi

District: Brownsville Independent School District

Neighborhood · ZIP 78521These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.7

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.25%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.91,986
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.623 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$39,363
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$52,725
Average tempThe average temperature here across a full year.74°F
Annual precipHow much rain and melted snow falls here in a typical year.30 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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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

21 Casa Grande 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 70% of homes in Brownsville 78521
  • Costs less per square foot than 80% of homes in Brownsville 78521
  • Bigger than 85% of homes in Brownsville 78521
  • Has a bigger lot than 67% of homes in Brownsville 78521
  • Older than 76% of homes in Brownsville 78521

What homes are worth in Brownsville 78521

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

This home
$75K$459K

This home is worth more than 70% of homes in Brownsville 78521.

How it measures up in Brownsville 78521

The dot is this home. The mark in the middle is the typical home in Brownsville 78521.

Estimated value$217,887
CheaperTypical $181,308Pricier

Pricier than 70% of homes nearby

Price per ft²$109
CheaperTypical $134Pricier

Pricier than 20% of homes nearby

Living area2,002 ft²
SmallerTypical 1,272 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.18 ac
SmallerTypical 0.14 acBigger

Bigger than 67% of homes nearby

Year built1976
OlderTypical 1987Newer

Newer than 24% of homes nearby

How 21 Casa Grande ranks against every home in each area.
MeasureThis homeBrownsville 78521Cameron County
Estimated valuepricier than$217,88770% of homes58% of homes
Price per ft²pricier than$10920% of homes22% of homes
Living areabigger than2,002 ft²85% of homes80% of homes
Lot sizebigger than0.18 ac67% of homes54% of homes
Year builtnewer than197624% of homes24% of homes

About 21 Casa Grande

How much is 21 Casa Grande, Brownsville, TX worth?

The TopHap Estimate for 21 Casa Grande, Brownsville, TX is $217,887 as of Sep 24, 2026. The likely range is $200,008 to $235,766. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Casa Grande, Brownsville, TX last sell?

21 Casa Grande, Brownsville, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Casa Grande, Brownsville, TX?

21 Casa Grande, Brownsville, TX has 2,002 square feet of living space and a 0.18-acre lot.

When was 21 Casa Grande, Brownsville, TX built?

21 Casa Grande, Brownsville, TX was built in 1976, making it 50 years old. The building has 1 story.

What schools serve 21 Casa Grande, Brownsville, TX?

21 Casa Grande, Brownsville, TX is assigned to Hanna Early College High School (high), rated C+; Hudson Elementary School (elementary), rated A-; Oliveira Middle School (middle), rated C. All sit in Brownsville Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Casa Grande, Brownsville, TX compare to other homes in Brownsville 78521?

Among the 24,837 homes in Brownsville 78521, it is worth more than 70% of them ($217,887 against a typical $181,308), its price per square foot is higher than 20% of them ($109 against a typical $134), it is bigger than 85% of them (2,002 ft² against a typical 1,272 ft²), its lot is bigger than 67% of them (0.18 ac against a typical 0.14 ac) and it is newer than 24% of them (1976 against a typical 1987). Measured against all of Cameron County, it is worth more than 58% 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 21 Casa Grande, Brownsville, TX?

The 2025 property tax bill for 21 Casa Grande, Brownsville, TX was $2,307. The county assessed it at $184,327.

More homes on Casa Grande

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