Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$100,082$91 / 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 94How 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

543 LAS COMAS ST

RIO GRANDE CITY, TX 78582
1
Baths
1,104 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.
1985
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$100K
$94K low$107K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$680 (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.$96,940 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$71,740
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$80,360
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$96,940

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.50
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
89
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.
28
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
24
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.6 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.minimal

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
CountySTARR
Lot (acres)The size of the land the home sits on, from county records.0.17
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Delia Gonzalez Garcia Elementary SchoolA+
Elementary · Grades PK–5 · 1.0 mi
M
Ramiro Barrera Middle SchoolC
Middle · Grades 6–8 · 2.1 mi
H
Roma High SchoolD
High · Grades 9–12 · 7.1 mi

District: Roma Independent School District

Neighborhood · ZIP 78582These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

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.84%
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.33%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.2.4%
PopulationHow many people live in this area.44,333
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.66 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$36,240
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$55,425
Average tempThe average temperature here across a full year.74°F
Annual precipHow much rain and melted snow falls here in a typical year.22 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

543 Las Comas 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.

  • Costs more per square foot than 77% of homes in Starr County
  • Smaller than 70% of homes in Rio Grande City 78582
  • Older than 88% of homes in Rio Grande City 78582

What homes are worth in Rio Grande City 78582

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

This home
$34K$294K

This home is worth more than 54% of homes in Rio Grande City 78582.

How it measures up in Rio Grande City 78582

The dot is this home. The mark in the middle is the typical home in Rio Grande City 78582.

Estimated value$100,082
CheaperTypical $92,584Pricier

Pricier than 54% of homes nearby

Price per ft²$91
CheaperTypical $68Pricier

Pricier than 73% of homes nearby

Living area1,104 ft²
SmallerTypical 1,400 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.17 ac
SmallerTypical 0.19 acBigger

Bigger than 44% of homes nearby

Year built1985
OlderTypical 2000Newer

Newer than 12% of homes nearby

How 543 Las Comas St ranks against every home in each area.
MeasureThis homeRio Grande City 78582Starr County
Estimated valuepricier than$100,08254% of homes58% of homes
Price per ft²pricier than$9173% of homes77% of homes
Living areabigger than1,104 ft²30% of homes30% of homes
Lot sizebigger than0.17 ac44% of homes45% of homes
Year builtnewer than198512% of homes14% of homes

About 543 Las Comas St

How much is 543 Las Comas St, Rio Grande City, TX worth?

The TopHap Estimate for 543 Las Comas St, Rio Grande City, TX is $100,082 as of Sep 24, 2026. The likely range is $93,623 to $106,541. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 543 Las Comas St, Rio Grande City, TX last sell?

543 Las Comas St, Rio Grande City, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 543 Las Comas St, Rio Grande City, TX?

543 Las Comas St, Rio Grande City, TX has 1 bathrooms, 1,104 square feet of living space and a 0.17-acre lot.

When was 543 Las Comas St, Rio Grande City, TX built?

543 Las Comas St, Rio Grande City, TX was built in 1985, making it 41 years old. The building has 1 story.

What schools serve 543 Las Comas St, Rio Grande City, TX?

543 Las Comas St, Rio Grande City, TX is assigned to Delia Gonzalez Garcia Elementary School (elementary), rated A+; Ramiro Barrera Middle School (middle), rated C; Roma High School (high), rated D. All sit in Roma Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 543 Las Comas St, Rio Grande City, TX compare to other homes in Rio Grande City 78582?

Among the 14,193 homes in Rio Grande City 78582, it is worth more than 54% of them ($100,082 against a typical $92,584), its price per square foot is higher than 73% of them ($91 against a typical $68), it is bigger than 30% of them (1,104 ft² against a typical 1,400 ft²), its lot is bigger than 44% of them (0.17 ac against a typical 0.19 ac) and it is newer than 12% of them (1985 against a typical 2000). Measured against all of Starr 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 543 Las Comas St, Rio Grande City, TX?

The 2025 property tax bill for 543 Las Comas St, Rio Grande City, TX was $680. The county assessed it at $96,940.

More homes on Las Comas St

Closest homes

More homes in Rio Grande City 78582

Assigned schools

Explore the area

See this home in context

Open 543 Las Comas St 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