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Single Family ResidenceResidential
$506,189$174 / 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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jun 23, 2026

21149 INTERSTATE 37 S

ELMENDORF, TX 78112
4
Beds
2.5
Baths
2,905 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.
2.99 ac
Lot SizeThe size of the land the home sits on, from county records.
2001
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$506K
$435K low$577K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$506,189
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$404,951

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,772 (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.$513,230 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$88,790
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$424,440
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$474,635
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$513,230

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.61
12
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
66
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.
42
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
87
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.11 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
StyleThe architectural style of the home, such as ranch or colonial.Contemporary
CountyBEXAR
Lot (acres)The size of the land the home sits on, from county records.2.99
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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 · 272 ft²Porch · 252 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.

M
Matthey Middle SchoolC+
Middle · Grades 6–8 · 1.6 mi
E
Freedom Elementary SchoolC+
Elementary · Grades 1–5 · 2.0 mi
H
Southside High SchoolC-
High · Grades 9–12 · 3.9 mi

District: Southside Independent School District

Neighborhood · ZIP 78112These 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.80
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 100.37

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.0%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.10,181
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.201 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$52,595
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,211
Average tempThe average temperature here across a full year.70°F
Annual precipHow much rain and melted snow falls here in a typical year.31 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

21149 Interstate 37 S 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.

  • Among the most valuable homes in Elmendorf 78112
  • Costs more per square foot than 79% of homes in Elmendorf 78112
  • Bigger than 97% of homes in Elmendorf 78112
  • Has a bigger lot than 97% of homes in Bexar County

What homes are worth in Elmendorf 78112

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

This home
$71K$449K

This home is worth more than almost all homes in Elmendorf 78112.

How it measures up in Elmendorf 78112

The dot is this home. The mark in the middle is the typical home in Elmendorf 78112.

Estimated value$506,189
CheaperTypical $214,214Pricier

Pricier than almost all homes nearby

Price per ft²$174
CheaperTypical $148Pricier

Pricier than 79% of homes nearby

Living area2,905 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 97% of homes nearby

Lot size2.99 ac
SmallerTypical 0.52 acBigger

Bigger than 83% of homes nearby

Year built2001
OlderTypical 2001Newer

Newer than 51% of homes nearby

How 21149 Interstate 37 S ranks against every home in each area.
MeasureThis homeElmendorf 78112Bexar County
Estimated valuepricier than$506,189almost all homes88% of homes
Price per ft²pricier than$17479% of homes71% of homes
Living areabigger than2,905 ft²97% of homes88% of homes
Lot sizebigger than2.99 ac83% of homes97% of homes
Year builtnewer than200151% of homes62% of homes

About 21149 Interstate 37 S

How much is 21149 Interstate 37 S, Elmendorf, TX worth?

The TopHap Estimate for 21149 Interstate 37 S, Elmendorf, TX is $506,189 as of Jun 23, 2026. The likely range is $435,322 to $577,055. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21149 Interstate 37 S, Elmendorf, TX last sell?

21149 Interstate 37 S, Elmendorf, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21149 Interstate 37 S, Elmendorf, TX?

21149 Interstate 37 S, Elmendorf, TX has 4 bedrooms, 2.5 bathrooms, 2,905 square feet of living space and a 2.99-acre lot.

When was 21149 Interstate 37 S, Elmendorf, TX built?

21149 Interstate 37 S, Elmendorf, TX was built in 2001, making it 25 years old. It is a contemporary home. The building has 1 story.

What schools serve 21149 Interstate 37 S, Elmendorf, TX?

21149 Interstate 37 S, Elmendorf, TX is assigned to Matthey Middle School (middle), rated C+; Freedom Elementary School (elementary), rated C+; Southside High School (high), rated C-. All sit in Southside Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21149 Interstate 37 S, Elmendorf, TX compare to other homes in Elmendorf 78112?

Among the 4,718 homes in Elmendorf 78112, it is worth more than almost all of them ($506,189 against a typical $214,214), its price per square foot is higher than 79% of them ($174 against a typical $148), it is bigger than 97% of them (2,905 ft² against a typical 1,456 ft²), its lot is bigger than 83% of them (2.99 ac against a typical 0.52 ac) and it is newer than 51% of them (2001 against a typical 2001). Measured against all of Bexar County, it is worth more than 88% 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 21149 Interstate 37 S, Elmendorf, TX?

The 2025 property tax bill for 21149 Interstate 37 S, Elmendorf, TX was $7,772. The county assessed it at $513,230.

Closest homes

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Assigned schools

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