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Single Family ResidenceResidential
$337,375$369 / 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 Aug 30, 2026

4803 ALF AVE

AUSTIN, TX 78721
1
Baths
915 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.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$337K
$313K low$361K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$814 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$318,068 (2025)
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.$116,433
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$318,068
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$373,636

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.0.22
ConstructionThe main material the home's frame and walls are built from.Wood Frame
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
HeatingThe type of heating system in the home.Yes
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.Carport (Unspecified)
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 72 ft²

Transaction History(2)

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 SchoolD
Elementary · Grades PK–5 · 0.5 mi
H
Eastside Early College High SchoolF
High · Grades 9–12 · 0.9 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%

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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

4803 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 80% of homes in Austin 78721
  • Costs more per square foot than 75% of homes in MLK-183
  • Smaller than 94% of homes in Travis County
  • Has a bigger lot than 86% of homes in MLK-183
  • Older than 93% of homes in Travis County

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
$263K$796K

This home is worth more than 20% 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$337,375
CheaperTypical $409,862Pricier

Pricier than 20% of homes nearby

Price per ft²$369
CheaperTypical $328Pricier

Pricier than 72% of homes nearby

Living area915 ft²
SmallerTypical 1,267 ft²Bigger

Bigger than 17% of homes nearby

Lot size0.22 ac
SmallerTypical 0.16 acBigger

Bigger than 83% of homes nearby

Year built1956
OlderTypical 1980Newer

Newer than 16% of homes nearby

How 4803 Alf Ave ranks against every home in each area.
MeasureThis homeMLK-183Austin 78721Travis County
Estimated valuepricier than$337,37531% of homes20% of homes23% of homes
Price per ft²pricier than$36975% of homes72% of homes74% of homes
Living areabigger than915 ft²17% of homes17% of homes6% of homes
Lot sizebigger than0.22 ac86% of homes83% of homes65% of homes
Year builtnewer than195616% of homes16% of homes7% of homes

About 4803 Alf Ave

How much is 4803 Alf Ave, Austin, TX worth?

The TopHap Estimate for 4803 Alf Ave, Austin, TX is $337,375 as of Aug 30, 2026. The likely range is $313,399 to $361,351. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4803 Alf Ave, Austin, TX last sell?

4803 Alf Ave, Austin, TX last sold on Oct 22, 2025, according to the county's recorded deed.

How big is 4803 Alf Ave, Austin, TX?

4803 Alf Ave, Austin, TX has 1 bathrooms, 915 square feet of living space and a 0.22-acre lot.

When was 4803 Alf Ave, Austin, TX built?

4803 Alf Ave, Austin, TX was built in 1956, making it 70 years old. The building has 1 story.

What schools serve 4803 Alf Ave, Austin, TX?

4803 Alf Ave, Austin, TX is assigned to Govalle Elementary School (elementary), rated D; 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 4803 Alf Ave, Austin, TX compare to other homes in Austin 78721?

Among the 3,862 homes in Austin 78721, it is worth more than 20% of them ($337,375 against a typical $409,862), its price per square foot is higher than 72% of them ($369 against a typical $328), it is bigger than 17% of them (915 ft² against a typical 1,267 ft²), its lot is bigger than 83% of them (0.22 ac against a typical 0.16 ac) and it is newer than 16% of them (1956 against a typical 1980). Measured against all of Travis County, it is worth more than 23% 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 4803 Alf Ave, Austin, TX?

The 2024 property tax bill for 4803 Alf Ave, Austin, TX was $814. The county assessed it at $318,068.

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