Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$419,999$161 / 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 Sep 24, 2026
Last sold for $406,598 on Oct 19, 2026

21803 RUBY RUN

SAN ANTONIO, TX 78259
4
Beds
2.5
Baths
2,606 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
Year BuiltThe year the home was originally built, according to county records.
2
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

$420K
$399K low$441K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$406,598 · Oct 19, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,144 (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.$404,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$75,930
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$328,070
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$417,330
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$404,000

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.0.25
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
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
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 110 ft²

Transaction History(3)

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
Tejeda Middle SchoolA
Middle · Grades 6–8 · 0.4 mi
E
Roan Forest Elementary SchoolA+
Elementary · Grades PK–5 · 0.8 mi
H
Johnson High SchoolA+
High · Grades 9–12 · 1.2 mi

District: North East Independent School District

Neighborhood · ZIP 78259These 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.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.5%
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.28,204
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,100 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,170
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,030
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%

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

21803 Ruby 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
  • Bigger than 82% of homes in Bexar County
  • Has a bigger lot than 78% of homes in Bexar County
  • Newer than 72% of homes in San Antonio 78259

What homes are worth in San Antonio 78259

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

This home
$280K$871K

This home is worth more than 51% of homes in San Antonio 78259.

How it measures up in San Antonio 78259

The dot is this home. The mark in the middle is the typical home in San Antonio 78259.

Estimated value$419,999
CheaperTypical $416,424Pricier

Pricier than 51% of homes nearby

Price per ft²$161
CheaperTypical $172Pricier

Pricier than 36% of homes nearby

Living area2,606 ft²
SmallerTypical 2,546 ft²Bigger

Bigger than 56% of homes nearby

Lot size0.25 ac
SmallerTypical 0.19 acBigger

Bigger than 71% of homes nearby

Year built2006
OlderTypical 2002Newer

Newer than 72% of homes nearby

How 21803 Ruby Run ranks against every home in each area.
MeasureThis homeSan Antonio 78259Bexar County
Estimated valuepricier than$419,99951% of homes82% of homes
Price per ft²pricier than$16136% of homes60% of homes
Living areabigger than2,606 ft²56% of homes82% of homes
Lot sizebigger than0.25 ac71% of homes78% of homes
Year builtnewer than200672% of homes71% of homes

About 21803 Ruby Run

How much is 21803 Ruby Run, San Antonio, TX worth?

The TopHap Estimate for 21803 Ruby Run, San Antonio, TX is $419,999 as of Sep 24, 2026. The likely range is $398,993 to $441,005. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21803 Ruby Run, San Antonio, TX last sell?

21803 Ruby Run, San Antonio, TX last sold on Oct 19, 2026 for $406,598, according to the county's recorded deed.

How big is 21803 Ruby Run, San Antonio, TX?

21803 Ruby Run, San Antonio, TX has 4 bedrooms, 2.5 bathrooms, 2,606 square feet of living space and a 0.25-acre lot.

When was 21803 Ruby Run, San Antonio, TX built?

21803 Ruby Run, San Antonio, TX was built in 2006, making it 20 years old. It is a contemporary home. The building has 2 stories.

What schools serve 21803 Ruby Run, San Antonio, TX?

21803 Ruby Run, San Antonio, TX is assigned to Tejeda Middle School (middle), rated A; Roan Forest Elementary School (elementary), rated A+; Johnson 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 21803 Ruby Run, San Antonio, TX compare to other homes in San Antonio 78259?

Among the 8,822 homes in San Antonio 78259, it is worth more than 51% of them ($419,999 against a typical $416,424), its price per square foot is higher than 36% of them ($161 against a typical $172), it is bigger than 56% of them (2,606 ft² against a typical 2,546 ft²), its lot is bigger than 71% of them (0.25 ac against a typical 0.19 ac) and it is newer than 72% of them (2006 against a typical 2002). 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 21803 Ruby Run, San Antonio, TX?

The 2025 property tax bill for 21803 Ruby Run, San Antonio, TX was $7,144. The county assessed it at $404,000.

More homes on Ruby Run

Closest homes

More homes in San Antonio 78259

Assigned schools

Explore the area

See this home in context

Open 21803 Ruby Run 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