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Single Family ResidenceResidential
$370,274$152 / 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 Aug 30, 2026

21939 ADVANTAGE RUN

SAN ANTONIO, TX 78258
4
Beds
2.5
Baths
2,436 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$370K
$352K low$389K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,734 (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.$341,099 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$82,110
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$258,989
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$357,940
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$341,099

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.0.14
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 · 599 ft²Porch · 28 ft²

Transaction History(7)

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
Las Lomas Elementary SchoolA
Elementary · Grades PK–5 · 0.3 mi
M
Bush Middle SchoolA
Middle · Grades 6–8 · 0.7 mi
H
Reagan High SchoolA-
High · Grades 9–12 · 1.1 mi

District: North East Independent School District

Neighborhood · ZIP 78258These 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.72
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.23

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.53,666
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,741 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$117,147
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$151,381
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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

21939 Advantage Run 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 95% of homes in San Antonio 78258
  • Costs less per square foot than 93% of homes in San Antonio 78258
  • Bigger than 78% of homes in Bexar County
  • Has a smaller lot than 93% of homes in San Antonio 78258
  • Older than 66% of homes in San Antonio 78258

What homes are worth in San Antonio 78258

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

This home
$348K$1.3M

This home is worth more than 5% of homes in San Antonio 78258.

How it measures up in San Antonio 78258

The dot is this home. The mark in the middle is the typical home in San Antonio 78258.

Estimated value$370,274
CheaperTypical $530,760Pricier

Pricier than 5% of homes nearby

Price per ft²$152
CheaperTypical $189Pricier

Pricier than 7% of homes nearby

Living area2,436 ft²
SmallerTypical 2,959 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.14 ac
SmallerTypical 0.21 acBigger

Bigger than 7% of homes nearby

Year built1999
OlderTypical 2002Newer

Newer than 34% of homes nearby

How 21939 Advantage Run ranks against every home in each area.
MeasureThis homeSan Antonio 78258Bexar County
Estimated valuepricier than$370,2745% of homes76% of homes
Price per ft²pricier than$1527% of homes49% of homes
Living areabigger than2,436 ft²24% of homes78% of homes
Lot sizebigger than0.14 ac7% of homes28% of homes
Year builtnewer than199934% of homes59% of homes

About 21939 Advantage Run

How much is 21939 Advantage Run, San Antonio, TX worth?

The TopHap Estimate for 21939 Advantage Run, San Antonio, TX is $370,274 as of Aug 30, 2026. The likely range is $351,790 to $388,758. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21939 Advantage Run, San Antonio, TX last sell?

21939 Advantage Run, San Antonio, TX last sold on Oct 22, 2021, according to the county's recorded deed.

How big is 21939 Advantage Run, San Antonio, TX?

21939 Advantage Run, San Antonio, TX has 4 bedrooms, 2.5 bathrooms, 2,436 square feet of living space and a 0.14-acre lot.

When was 21939 Advantage Run, San Antonio, TX built?

21939 Advantage Run, San Antonio, TX was built in 1999, making it 27 years old. It is a contemporary home. The building has 2 stories.

What schools serve 21939 Advantage Run, San Antonio, TX?

21939 Advantage Run, San Antonio, TX is assigned to Las Lomas Elementary School (elementary), rated A; Bush Middle School (middle), rated A; Reagan High School (high), rated A-. All sit in North East Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21939 Advantage Run, San Antonio, TX compare to other homes in San Antonio 78258?

Among the 13,001 homes in San Antonio 78258, it is worth more than 5% of them ($370,274 against a typical $530,760), its price per square foot is higher than 7% of them ($152 against a typical $189), it is bigger than 24% of them (2,436 ft² against a typical 2,959 ft²), its lot is bigger than 7% of them (0.14 ac against a typical 0.21 ac) and it is newer than 34% of them (1999 against a typical 2002). Measured against all of Bexar County, it is worth more than 76% 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 21939 Advantage Run, San Antonio, TX?

The 2025 property tax bill for 21939 Advantage Run, San Antonio, TX was $7,734. The county assessed it at $341,099.

More homes on Advantage Run

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