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Single Family ResidenceResidential
$347,627$451 / 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 93How 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

4903 ALF AVE

AUSTIN, TX 78721
1
Baths
770 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$348K
$324K low$371K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,867 (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.$410,832 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$257,203
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$153,629
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$384,418
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$410,832

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyTRAVIS
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Pier/Post & Beam
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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 · 210 ft²

Transaction History(5)

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
Govalle Elementary SchoolF
Elementary · Grades PK–5 · 0.6 mi
H
Eastside Early College High SchoolF
High · Grades 9–12 · 0.8 mi
M
Martin Middle SchoolF
Middle · Grades 6–8 · 2.5 mi

District: Austin Independent School District

Neighborhood · ZIP 78721These 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.133
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.34%
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.1.4%
PopulationHow many people live in this area.11,622
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,094 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,924
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,395
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%

Owner Tools

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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

4903 Alf 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 78% of homes in Austin 78721
  • Costs more per square foot than 95% of homes in MLK-183
  • Smaller than 97% of homes in Travis County
  • Has a bigger lot than 86% of homes in MLK-183
  • Among the oldest homes in MLK-183

What homes are worth in Austin 78721

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

This home
$260K$778K

This home is worth more than 22% of homes in Austin 78721.

How it measures up in Austin 78721

The dot is this home. The mark in the middle is the typical home in Austin 78721.

Estimated value$347,627
CheaperTypical $412,844Pricier

Pricier than 22% of homes nearby

Price per ft²$451
CheaperTypical $328Pricier

Pricier than 94% of homes nearby

Living area770 ft²
SmallerTypical 1,316 ft²Bigger

Bigger than 5% of homes nearby

Lot size0.22 ac
SmallerTypical 0.16 acBigger

Bigger than 83% of homes nearby

Year built1930
OlderTypical 1983Newer

Older than almost all homes nearby

How 4903 Alf Ave ranks against every home in each area.
MeasureThis homeMLK-183Austin 78721Travis County
Estimated valuepricier than$347,62733% of homes22% of homes26% of homes
Price per ft²pricier than$45195% of homes94% of homes85% of homes
Living areabigger than770 ft²6% of homes5% of homes3% of homes
Lot sizebigger than0.22 ac86% of homes83% of homes66% of homes
Year builtnewer than1930almost no homesalmost no homesalmost no homes

About 4903 Alf Ave

How much is 4903 Alf Ave, Austin, TX worth?

The TopHap Estimate for 4903 Alf Ave, Austin, TX is $347,627 as of Oct 21, 2026. The likely range is $324,289 to $370,965. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4903 Alf Ave, Austin, TX last sell?

4903 Alf Ave, Austin, TX last sold on Jul 10, 2009, according to the county's recorded deed.

How big is 4903 Alf Ave, Austin, TX?

4903 Alf Ave, Austin, TX has 1 bathrooms, 770 square feet of living space and a 0.23-acre lot.

When was 4903 Alf Ave, Austin, TX built?

4903 Alf Ave, Austin, TX was built in 1930, making it 96 years old. The building has 1 story.

What schools serve 4903 Alf Ave, Austin, TX?

4903 Alf Ave, Austin, TX is assigned to Govalle Elementary School (elementary), rated F; Eastside Early College High School (high), rated F; Martin Middle School (middle), rated F. All sit in Austin Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4903 Alf Ave, Austin, TX compare to other homes in Austin 78721?

Among the 4,041 homes in Austin 78721, it is worth more than 22% of them ($347,627 against a typical $412,844), its price per square foot is higher than 94% of them ($451 against a typical $328), it is bigger than 5% of them (770 ft² against a typical 1,316 ft²), its lot is bigger than 83% of them (0.22 ac against a typical 0.16 ac) and it is newer than almost none of them (1930 against a typical 1983). Measured against all of Travis County, it is worth more than 26% 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 4903 Alf Ave, Austin, TX?

The 2025 property tax bill for 4903 Alf Ave, Austin, TX was $7,867. The county assessed it at $410,832.

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