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Single Family ResidenceResidential
$255,104$153 / 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 95How 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 $240,475 on Jul 18, 2024

427 S 12TH ST

ALAMO, TX 78516
3
Beds
2
Baths
1,663 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.
2023
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$255K
$242K low$268K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$240,475 · Jul 18, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,406 (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.$251,189 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$53,424
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$197,765
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$228,475
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$251,189

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.53
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
76
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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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 · 150 ft²Porch · 49 ft²

Transaction History(2)

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 · 0.6 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

427 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 82% of homes in Alamo 78516
  • Costs more per square foot than 77% of homes in Hidalgo County
  • Bigger than 77% of homes in Alamo 78516
  • Newer than 96% 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 82% 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$255,104
CheaperTypical $180,659Pricier

Pricier than 82% of homes nearby

Price per ft²$153
CheaperTypical $129Pricier

Pricier than 74% of homes nearby

Living area1,663 ft²
SmallerTypical 1,250 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 51% of homes nearby

Year built2023
OlderTypical 1995Newer

Newer than 96% of homes nearby

How 427 S 12th St ranks against every home in each area.
MeasureThis homeAlamo 78516Hidalgo County
Estimated valuepricier than$255,10482% of homes73% of homes
Price per ft²pricier than$15374% of homes77% of homes
Living areabigger than1,663 ft²77% of homes63% of homes
Lot sizebigger than0.17 ac51% of homes44% of homes
Year builtnewer than202396% of homes96% of homes

About 427 S 12th St

How much is 427 S 12th St, Alamo, TX worth?

The TopHap Estimate for 427 S 12th St, Alamo, TX is $255,104 as of Sep 24, 2026. The likely range is $241,940 to $268,268. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 427 S 12th St, Alamo, TX last sell?

427 S 12th St, Alamo, TX last sold on Jul 18, 2024 for $240,475, according to the county's recorded deed.

How big is 427 S 12th St, Alamo, TX?

427 S 12th St, Alamo, TX has 3 bedrooms, 2 bathrooms, 1,663 square feet of living space and a 0.17-acre lot.

When was 427 S 12th St, Alamo, TX built?

427 S 12th St, Alamo, TX was built in 2023, making it 3 years old. The building has 1 story.

What schools serve 427 S 12th St, Alamo, TX?

427 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 427 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 82% of them ($255,104 against a typical $180,659), its price per square foot is higher than 74% of them ($153 against a typical $129), it is bigger than 77% of them (1,663 ft² against a typical 1,250 ft²), its lot is bigger than 51% of them (0.17 ac against a typical 0.17 ac) and it is newer than 96% of them (2023 against a typical 1995). Measured against all of Hidalgo County, it is worth more than 73% 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 427 S 12th St, Alamo, TX?

The 2025 property tax bill for 427 S 12th St, Alamo, TX was $4,406. The county assessed it at $251,189.

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