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Single Family ResidenceResidential
$144,039$143 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

421 MONTEREY DR

ALAMO, TX 78516
3
Beds
1
Baths
1,010 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$144K
$126K low$162K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,282 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$94,140 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$73,361
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$100,156
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$112,961

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.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%
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
CountyHidalgo
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.2003
Lot (acres)The size of the land the home sits on, from county records.0.15
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
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
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 · 144 ft²Porch · 77 ft²

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

E
Capt. D. Salinas II S.T.E.A.M. AcademyB
Elementary · Grades PK–5 · 0.8 mi
M
A. P. Solis Middle SchoolA
Middle · Grades 6–8 · 3.3 mi
H
Donna High SchoolC
High · Grades 9–12 · 4.6 mi

District: Donna 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

421 Monterey 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 less than 71% of homes in Hidalgo County
  • Costs more per square foot than 65% of homes in Hidalgo County
  • Smaller than 76% of homes in Hidalgo County
  • Has a smaller lot than 69% of homes in Hidalgo County
  • Older than 75% of homes in Hidalgo County

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
$68K$429K

This home is worth more than 31% 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$144,039
CheaperTypical $178,734Pricier

Pricier than 31% of homes nearby

Price per ft²$143
CheaperTypical $135Pricier

Pricier than 59% of homes nearby

Living area1,010 ft²
SmallerTypical 1,212 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.15 ac
SmallerTypical 0.17 acBigger

Bigger than 32% of homes nearby

Year built1985
OlderTypical 1996Newer

Newer than 29% of homes nearby

How 421 Monterey Dr ranks against every home in each area.
MeasureThis homeAlamo 78516Hidalgo County
Estimated valuepricier than$144,03931% of homes29% of homes
Price per ft²pricier than$14359% of homes65% of homes
Living areabigger than1,010 ft²34% of homes24% of homes
Lot sizebigger than0.15 ac32% of homes31% of homes
Year builtnewer than198529% of homes25% of homes

About 421 Monterey Dr

How much is 421 Monterey Dr, Alamo, TX worth?

The TopHap Estimate for 421 Monterey Dr, Alamo, TX is $144,039 as of Aug 30, 2026. The likely range is $126,111 to $161,967. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Monterey Dr, Alamo, TX last sell?

421 Monterey Dr, Alamo, TX last sold on Feb 2, 1998, according to the county's recorded deed.

How big is 421 Monterey Dr, Alamo, TX?

421 Monterey Dr, Alamo, TX has 3 bedrooms, 1 bathrooms, 1,010 square feet of living space and a 0.15-acre lot.

When was 421 Monterey Dr, Alamo, TX built?

421 Monterey Dr, Alamo, TX was built in 1985, making it 41 years old. The building has 1 story.

What schools serve 421 Monterey Dr, Alamo, TX?

421 Monterey Dr, Alamo, TX is assigned to Capt. D. Salinas II S.T.E.A.M. Academy (elementary), rated B; A. P. Solis Middle School (middle), rated A; Donna High School (high), rated C. All sit in Donna Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Monterey Dr, Alamo, TX compare to other homes in Alamo 78516?

Among the 11,693 homes in Alamo 78516, it is worth more than 31% of them ($144,039 against a typical $178,734), its price per square foot is higher than 59% of them ($143 against a typical $135), it is bigger than 34% of them (1,010 ft² against a typical 1,212 ft²), its lot is bigger than 32% of them (0.15 ac against a typical 0.17 ac) and it is newer than 29% of them (1985 against a typical 1996). Measured against all of Hidalgo County, it is worth more than 29% 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 421 Monterey Dr, Alamo, TX?

The 2024 property tax bill for 421 Monterey Dr, Alamo, TX was $1,282. The county assessed it at $94,140.

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