Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$170,382$110 / 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 87How 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

521 MAR CIR

ALAMO, TX 78516
3
Beds
2
Baths
1,544 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1996
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$170K
$149K low$192K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$980 (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.$138,166 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$43,067
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$95,099
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$106,814
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$138,166

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.2002
Lot (acres)The size of the land the home sits on, from county records.0.16
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.Porch · 48 ft²

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

M
Audie Murphy Middle SchoolB
Middle · Grades 6–8 · 1.1 mi
E
Augusto Guerra Elementary SchoolB+
Elementary · Grades PK–5 · 1.8 mi
H
PSJA Memorial Early College High SchoolC-
High · Grades 9–12 · 3.7 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%

Owner Tools

Do you own this home?
Claim this home

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

521 Mar Cir 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.

  • Costs less per square foot than 71% of homes in Alamo 78516
  • Bigger than 70% of homes in Alamo 78516
  • Has a smaller lot than 65% 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
$70K$461K

This home is worth more than 45% 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$170,382
CheaperTypical $181,711Pricier

Pricier than 45% of homes nearby

Price per ft²$110
CheaperTypical $129Pricier

Pricier than 29% of homes nearby

Living area1,544 ft²
SmallerTypical 1,248 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.16 ac
SmallerTypical 0.17 acBigger

Bigger than 39% of homes nearby

Year built1996
OlderTypical 1995Newer

Newer than 53% of homes nearby

How 521 Mar Cir ranks against every home in each area.
MeasureThis homeAlamo 78516Hidalgo County
Estimated valuepricier than$170,38245% of homes40% of homes
Price per ft²pricier than$11029% of homes29% of homes
Living areabigger than1,544 ft²70% of homes56% of homes
Lot sizebigger than0.16 ac39% of homes35% of homes
Year builtnewer than199653% of homes46% of homes

About 521 Mar Cir

How much is 521 Mar Cir, Alamo, TX worth?

The TopHap Estimate for 521 Mar Cir, Alamo, TX is $170,382 as of Sep 24, 2026. The likely range is $148,821 to $191,943. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Mar Cir, Alamo, TX last sell?

521 Mar Cir, Alamo, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 521 Mar Cir, Alamo, TX?

521 Mar Cir, Alamo, TX has 3 bedrooms, 2 bathrooms, 1,544 square feet of living space and a 0.16-acre lot.

When was 521 Mar Cir, Alamo, TX built?

521 Mar Cir, Alamo, TX was built in 1996, making it 30 years old. The building has 1 story.

What schools serve 521 Mar Cir, Alamo, TX?

521 Mar Cir, Alamo, TX is assigned to Audie Murphy Middle School (middle), rated B; Augusto Guerra Elementary School (elementary), rated B+; PSJA Memorial Early College High School (high), 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 521 Mar Cir, Alamo, TX compare to other homes in Alamo 78516?

Among the 11,717 homes in Alamo 78516, it is worth more than 45% of them ($170,382 against a typical $181,711), its price per square foot is higher than 29% of them ($110 against a typical $129), it is bigger than 70% of them (1,544 ft² against a typical 1,248 ft²), its lot is bigger than 39% of them (0.16 ac against a typical 0.17 ac) and it is newer than 53% of them (1996 against a typical 1995). Measured against all of Hidalgo County, it is worth more than 40% 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 521 Mar Cir, Alamo, TX?

The 2025 property tax bill for 521 Mar Cir, Alamo, TX was $980. The county assessed it at $138,166.

More homes on Mar Cir

Closest homes

More homes in Alamo 78516

Assigned schools

Explore the area

See this home in context

Open 521 Mar Cir on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map