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Single Family ResidenceResidential
$429,585$226 / 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 92How 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
Last sold for $295,000 on Mar 1, 2017

18903 ALPINE RUN

SAN ANTONIO, TX 78255
3
Beds
2
Baths
1,903 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$430K
$397K low$463K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$295,000 · Mar 1, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,494 (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.$398,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$72,340
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$325,660
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$398,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$398,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBEXAR
Lot (acres)The size of the land the home sits on, from county records.0.18
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.Porch · 339 ft²

Transaction History(4)

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
Monroe S. May Jr. Elementary SchoolC+
Elementary · Grades EE–5 · 2.2 mi
M
Dr. Hector P. Garcia Middle SchoolA-
Middle · Grades 6–8 · 2.3 mi
H
Louis D. Brandeis High SchoolA-
High · Grades 9–12 · 3.7 mi

District: Northside Independent School District

Neighborhood · ZIP 78255These 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.39
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.94%
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.6.5%
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.16,805
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.914 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$142,898
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,194
Average tempThe average temperature here across a full year.67°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

18903 Alpine 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 more than 82% of homes in Bexar County
  • Costs more per square foot than 92% of homes in Bexar County
  • Smaller than 90% of homes in San Antonio 78255
  • Has a smaller lot than 76% of homes in San Antonio 78255
  • Newer than 80% of homes in Bexar County

What homes are worth in San Antonio 78255

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

This home
$344K$2M

This home is worth more than 20% of homes in San Antonio 78255.

How it measures up in San Antonio 78255

The dot is this home. The mark in the middle is the typical home in San Antonio 78255.

Estimated value$429,585
CheaperTypical $594,155Pricier

Pricier than 20% of homes nearby

Price per ft²$226
CheaperTypical $207Pricier

Pricier than 65% of homes nearby

Living area1,903 ft²
SmallerTypical 2,946 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.18 ac
SmallerTypical 0.27 acBigger

Bigger than 24% of homes nearby

Year built2012
OlderTypical 2008Newer

Newer than 69% of homes nearby

How 18903 Alpine Run ranks against every home in each area.
MeasureThis homeSan Antonio 78255Bexar County
Estimated valuepricier than$429,58520% of homes82% of homes
Price per ft²pricier than$22665% of homes92% of homes
Living areabigger than1,903 ft²10% of homes59% of homes
Lot sizebigger than0.18 ac24% of homes55% of homes
Year builtnewer than201269% of homes80% of homes

About 18903 Alpine Run

How much is 18903 Alpine Run, San Antonio, TX worth?

The TopHap Estimate for 18903 Alpine Run, San Antonio, TX is $429,585 as of Aug 30, 2026. The likely range is $396,633 to $462,537. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18903 Alpine Run, San Antonio, TX last sell?

18903 Alpine Run, San Antonio, TX last sold on Mar 1, 2017 for $295,000, according to the county's recorded deed.

How big is 18903 Alpine Run, San Antonio, TX?

18903 Alpine Run, San Antonio, TX has 3 bedrooms, 2 bathrooms, 1,903 square feet of living space and a 0.18-acre lot.

When was 18903 Alpine Run, San Antonio, TX built?

18903 Alpine Run, San Antonio, TX was built in 2012, making it 14 years old. The building has 1 story.

What schools serve 18903 Alpine Run, San Antonio, TX?

18903 Alpine Run, San Antonio, TX is assigned to Monroe S. May Jr. Elementary School (elementary), rated C+; Dr. Hector P. Garcia Middle School (middle), rated A-; Louis D. Brandeis High School (high), rated A-. All sit in Northside Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18903 Alpine Run, San Antonio, TX compare to other homes in San Antonio 78255?

Among the 6,529 homes in San Antonio 78255, it is worth more than 20% of them ($429,585 against a typical $594,155), its price per square foot is higher than 65% of them ($226 against a typical $207), it is bigger than 10% of them (1,903 ft² against a typical 2,946 ft²), its lot is bigger than 24% of them (0.18 ac against a typical 0.27 ac) and it is newer than 69% of them (2012 against a typical 2008). Measured against all of Bexar County, it is worth more than 82% 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 18903 Alpine Run, San Antonio, TX?

The 2025 property tax bill for 18903 Alpine Run, San Antonio, TX was $5,494. The county assessed it at $398,000.

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