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Single Family ResidenceResidential
$300,557$108 / 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 Sep 24, 2026

424 S 12TH ST

ALAMO, TX 78516
4
Beds
3
Baths
2,782 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.
2024
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

$301K
$273K low$328K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,746 (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.$247,994 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$225,449
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$335,350

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.58
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
77
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
100
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
33
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyHIDALGO
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.Patio · 54 ft²Porch · 34 ft²

Transaction History(1)

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
John McKeever Elementary SchoolB
Elementary · Grades PK–5 · 0.3 mi
H
PSJA Memorial Early College High SchoolC-
High · Grades 9–12 · 0.3 mi
M
Jesus ''Jesse'' Vela Jr. Middle SchoolC
Middle · Grades 6–8 · 0.7 mi

District: Pharr-San Juan-Alamo Independent School District

Neighborhood · ZIP 78516These 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.107
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 100.13

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.80%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.4%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.26%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.38,800
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.910 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$47,849
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$62,556
Average tempThe average temperature here across a full year.74°F
Annual precipHow much rain and melted snow falls here in a typical year.24 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

424 S 12th 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.

  • Worth more than 90% of homes in Alamo 78516
  • Costs less per square foot than 73% of homes in Alamo 78516
  • Bigger than 96% of homes in Alamo 78516
  • Newer than 98% of homes in Alamo 78516

What homes are worth in Alamo 78516

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

This home
$70K$475K

This home is worth more than 90% of homes in Alamo 78516.

How it measures up in Alamo 78516

The dot is this home. The mark in the middle is the typical home in Alamo 78516.

Estimated value$300,557
CheaperTypical $180,659Pricier

Pricier than 90% of homes nearby

Price per ft²$108
CheaperTypical $129Pricier

Pricier than 27% of homes nearby

Living area2,782 ft²
SmallerTypical 1,250 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.18 ac
SmallerTypical 0.17 acBigger

Bigger than 57% of homes nearby

Year built2024
OlderTypical 1995Newer

Newer than 98% of homes nearby

How 424 S 12th St ranks against every home in each area.
MeasureThis homeAlamo 78516Hidalgo County
Estimated valuepricier than$300,55790% of homes83% of homes
Price per ft²pricier than$10827% of homes27% of homes
Living areabigger than2,782 ft²96% of homes90% of homes
Lot sizebigger than0.18 ac57% of homes48% of homes
Year builtnewer than202498% of homes98% of homes

About 424 S 12th St

How much is 424 S 12th St, Alamo, TX worth?

The TopHap Estimate for 424 S 12th St, Alamo, TX is $300,557 as of Sep 24, 2026. The likely range is $272,858 to $328,256. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 424 S 12th St, Alamo, TX last sell?

424 S 12th St, Alamo, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 424 S 12th St, Alamo, TX?

424 S 12th St, Alamo, TX has 4 bedrooms, 3 bathrooms, 2,782 square feet of living space and a 0.18-acre lot.

When was 424 S 12th St, Alamo, TX built?

424 S 12th St, Alamo, TX was built in 2024, making it 2 years old. The building has 2 stories.

What schools serve 424 S 12th St, Alamo, TX?

424 S 12th St, Alamo, TX is assigned to John McKeever Elementary School (elementary), rated B; PSJA Memorial Early College High School (high), rated C-; Jesus ''Jesse'' Vela Jr. Middle School (middle), rated C. All sit in Pharr-San Juan-Alamo Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 424 S 12th St, Alamo, TX compare to other homes in Alamo 78516?

Among the 11,716 homes in Alamo 78516, it is worth more than 90% of them ($300,557 against a typical $180,659), its price per square foot is higher than 27% of them ($108 against a typical $129), it is bigger than 96% of them (2,782 ft² against a typical 1,250 ft²), its lot is bigger than 57% of them (0.18 ac against a typical 0.17 ac) and it is newer than 98% of them (2024 against a typical 1995). Measured against all of Hidalgo County, it is worth more than 83% 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 424 S 12th St, Alamo, TX?

The 2025 property tax bill for 424 S 12th St, Alamo, TX was $5,746. The county assessed it at $247,994.

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