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Single Family ResidenceResidential
$236,883$185 / 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 Oct 21, 2026
Last sold for $278,648 on Jun 22, 2022

6637 BISCAY BAY

SAN ANTONIO, TX 78249
2
Beds
2
Baths
1,281 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.
3,853 ft²
Lot SizeThe size of the land the home sits on, from county records.
2004
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$237K
$222K low$252K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$278,648 · Jun 22, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,937 (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.$259,070 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$59,610
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$199,460
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$264,970
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$259,070

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.0.09
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 · 129 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
Murray E. Boone Elementary SchoolD+
Elementary · Grades EE–5 · 0.3 mi
M
Earl Rudder Middle SchoolD+
Middle · Grades 6–8 · 0.5 mi
H
John Marshall High SchoolC+
High · Grades 9–12 · 2.3 mi

District: Northside Independent School District

Neighborhood · ZIP 78249These 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.97
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 100.28

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.66,224
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,405 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,746
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,778
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

6637 Biscay Bay 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 87% of homes in San Antonio 78249
  • Costs more per square foot than 84% of homes in San Antonio 78249
  • Smaller than 90% of homes in San Antonio 78249
  • Has a smaller lot than 97% of homes in Bexar County
  • Newer than 81% of homes in Babcock North

What homes are worth in San Antonio 78249

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

This home
$163K$703K

This home is worth more than 13% of homes in San Antonio 78249.

How it measures up in San Antonio 78249

The dot is this home. The mark in the middle is the typical home in San Antonio 78249.

Estimated value$236,883
CheaperTypical $301,102Pricier

Pricier than 13% of homes nearby

Price per ft²$185
CheaperTypical $161Pricier

Pricier than 84% of homes nearby

Living area1,281 ft²
SmallerTypical 1,929 ft²Bigger

Bigger than 10% of homes nearby

Lot size3,853 ft²
SmallerTypical 0.16 acBigger

Bigger than 6% of homes nearby

Year built2004
OlderTypical 1994Newer

Newer than 78% of homes nearby

How 6637 Biscay Bay ranks against every home in each area.
MeasureThis homeBabcock NorthSan Antonio 78249Bexar County
Estimated valuepricier than$236,88348% of homes13% of homes43% of homes
Price per ft²pricier than$18581% of homes84% of homes80% of homes
Living areabigger than1,281 ft²37% of homes10% of homes26% of homes
Lot sizebigger than3,853 ft²28% of homes6% of homes3% of homes
Year builtnewer than200481% of homes78% of homes65% of homes

About 6637 Biscay Bay

How much is 6637 Biscay Bay, San Antonio, TX worth?

The TopHap Estimate for 6637 Biscay Bay, San Antonio, TX is $236,883 as of Oct 21, 2026. The likely range is $222,086 to $251,680. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6637 Biscay Bay, San Antonio, TX last sell?

6637 Biscay Bay, San Antonio, TX last sold on Jun 22, 2022 for $278,648, according to the county's recorded deed.

How big is 6637 Biscay Bay, San Antonio, TX?

6637 Biscay Bay, San Antonio, TX has 2 bedrooms, 2 bathrooms, 1,281 square feet of living space and a 0.09-acre lot.

When was 6637 Biscay Bay, San Antonio, TX built?

6637 Biscay Bay, San Antonio, TX was built in 2004, making it 22 years old. It is a contemporary home. The building has 1 story.

What schools serve 6637 Biscay Bay, San Antonio, TX?

6637 Biscay Bay, San Antonio, TX is assigned to Murray E. Boone Elementary School (elementary), rated D+; Earl Rudder Middle School (middle), rated D+; John Marshall High School (high), rated C+. All sit in Northside Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6637 Biscay Bay, San Antonio, TX compare to other homes in San Antonio 78249?

Among the 15,252 homes in San Antonio 78249, it is worth more than 13% of them ($236,883 against a typical $301,102), its price per square foot is higher than 84% of them ($185 against a typical $161), it is bigger than 10% of them (1,281 ft² against a typical 1,929 ft²), its lot is bigger than 6% of them (3,853 ft² against a typical 0.16 ac) and it is newer than 78% of them (2004 against a typical 1994). Measured against all of Bexar County, it is worth more than 43% 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 6637 Biscay Bay, San Antonio, TX?

The 2025 property tax bill for 6637 Biscay Bay, San Antonio, TX was $3,937. The county assessed it at $259,070.

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