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Single Family ResidenceResidential
$114,399$145 / 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 85How 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 $27,500 on Jan 20, 2000

423 ROSLYN AVE

SAN ANTONIO, TX 78204
2
Beds
1
Baths
788 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
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.

Valuation

$114K
$98K low$131K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$27,500 · Jan 20, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$149 (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.$94,317 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$40,440
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$87,320
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$85,743
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$127,760

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyBEXAR
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1980
Lot (acres)The size of the land the home sits on, from county records.0.15
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Floor/Wall Furnace
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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 · 108 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.

E
Collins Garden Elementary SchoolD+
Elementary · Grades PK–5 · 0.3 mi
H
Burbank High SchoolD-
High · Grades 9–12 · 0.8 mi
M
Harris Middle SchoolD+
Middle · Grades 6–8 · 0.9 mi

District: San Antonio Independent School District

Neighborhood · ZIP 78204These 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.153
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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.12,330
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,447 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$49,754
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$77,755
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.32 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

423 Roslyn Ave 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 96% of homes in Bexar County
  • Costs more per square foot than 67% of homes in Collins Garden
  • Smaller than 97% of homes in Bexar County
  • Has a smaller lot than 66% of homes in Bexar County
  • Older than 94% of homes in Bexar County

What homes are worth in San Antonio 78204

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

This home
$89K$1.2M

This home is worth more than 10% of homes in San Antonio 78204.

How it measures up in San Antonio 78204

The dot is this home. The mark in the middle is the typical home in San Antonio 78204.

Estimated value$114,399
CheaperTypical $182,543Pricier

Pricier than 10% of homes nearby

Price per ft²$145
CheaperTypical $173Pricier

Pricier than 34% of homes nearby

Living area788 ft²
SmallerTypical 1,120 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.15 ac
SmallerTypical 0.15 acBigger

Bigger than 54% of homes nearby

Year built1940
OlderTypical 1942Newer

Newer than 47% of homes nearby

How 423 Roslyn Ave ranks against every home in each area.
MeasureThis homeCollins GardenSan Antonio 78204Bexar County
Estimated valuepricier than$114,39933% of homes10% of homes4% of homes
Price per ft²pricier than$14567% of homes34% of homes41% of homes
Living areabigger than788 ft²23% of homes18% of homes3% of homes
Lot sizebigger than0.15 ac60% of homes54% of homes34% of homes
Year builtnewer than194041% of homes47% of homes6% of homes

About 423 Roslyn Ave

How much is 423 Roslyn Ave, San Antonio, TX worth?

The TopHap Estimate for 423 Roslyn Ave, San Antonio, TX is $114,399 as of Aug 30, 2026. The likely range is $97,585 to $131,213. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 423 Roslyn Ave, San Antonio, TX last sell?

423 Roslyn Ave, San Antonio, TX last sold on Jan 20, 2000 for $27,500, according to the county's recorded deed.

How big is 423 Roslyn Ave, San Antonio, TX?

423 Roslyn Ave, San Antonio, TX has 2 bedrooms, 1 bathrooms, 788 square feet of living space and a 0.15-acre lot.

When was 423 Roslyn Ave, San Antonio, TX built?

423 Roslyn Ave, San Antonio, TX was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 423 Roslyn Ave, San Antonio, TX?

423 Roslyn Ave, San Antonio, TX is assigned to Collins Garden Elementary School (elementary), rated D+; Burbank High School (high), rated D-; Harris Middle School (middle), rated D+. All sit in San Antonio Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 423 Roslyn Ave, San Antonio, TX compare to other homes in San Antonio 78204?

Among the 3,892 homes in San Antonio 78204, it is worth more than 10% of them ($114,399 against a typical $182,543), its price per square foot is higher than 34% of them ($145 against a typical $173), it is bigger than 18% of them (788 ft² against a typical 1,120 ft²), its lot is bigger than 54% of them (0.15 ac against a typical 0.15 ac) and it is newer than 47% of them (1940 against a typical 1942). Measured against all of Bexar County, it is worth more than 4% 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 423 Roslyn Ave, San Antonio, TX?

The 2025 property tax bill for 423 Roslyn Ave, San Antonio, TX was $149. The county assessed it at $94,317.

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