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CondominiumResidential
$573,754$323 / 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 90How 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 $556,900 on Oct 5, 2016

4909 ALF AVE

AUSTIN, TX 78721
3
Beds
3
Baths
1,774 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
2016
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$574K
$519K low$629K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$556,900 · Oct 5, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,911 (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.$608,414 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$129,375
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$479,039
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$824,962
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$608,414

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.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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyTRAVIS
Lot (acres)The size of the land the home sits on, from county records.0.12
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
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 · 151 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
Govalle Elementary SchoolD
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 · 2.6 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

4909 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 more than 92% of homes in MLK-183
  • Costs more per square foot than 65% of homes in Travis County
  • Bigger than 84% of homes in MLK-183
  • Has a smaller lot than 82% of homes in Travis County
  • Newer than 82% 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
$266K$784K

This home is worth more than 87% 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$573,754
CheaperTypical $408,631Pricier

Pricier than 87% of homes nearby

Price per ft²$323
CheaperTypical $328Pricier

Pricier than 47% of homes nearby

Living area1,774 ft²
SmallerTypical 1,268 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.12 ac
SmallerTypical 0.16 acBigger

Bigger than 28% of homes nearby

Year built2016
OlderTypical 1982Newer

Newer than 75% of homes nearby

How 4909 Alf Ave ranks against every home in each area.
MeasureThis homeMLK-183Austin 78721Travis County
Estimated valuepricier than$573,75492% of homes87% of homes61% of homes
Price per ft²pricier than$32355% of homes47% of homes65% of homes
Living areabigger than1,774 ft²84% of homes80% of homes46% of homes
Lot sizebigger than0.12 ac19% of homes28% of homes18% of homes
Year builtnewer than201679% of homes75% of homes82% of homes

About 4909 Alf Ave

How much is 4909 Alf Ave, Austin, TX worth?

The TopHap Estimate for 4909 Alf Ave, Austin, TX is $573,754 as of Aug 30, 2026. The likely range is $518,631 to $628,877. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4909 Alf Ave, Austin, TX last sell?

4909 Alf Ave, Austin, TX last sold on Oct 5, 2016 for $556,900, according to the county's recorded deed.

How big is 4909 Alf Ave, Austin, TX?

4909 Alf Ave, Austin, TX has 3 bedrooms, 3 bathrooms, 1,774 square feet of living space and a 0.12-acre lot.

When was 4909 Alf Ave, Austin, TX built?

4909 Alf Ave, Austin, TX was built in 2016, making it 10 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 4909 Alf Ave, Austin, TX?

4909 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 4909 Alf Ave, Austin, TX compare to other homes in Austin 78721?

Among the 3,862 homes in Austin 78721, it is worth more than 87% of them ($573,754 against a typical $408,631), its price per square foot is higher than 47% of them ($323 against a typical $328), it is bigger than 80% of them (1,774 ft² against a typical 1,268 ft²), its lot is bigger than 28% of them (0.12 ac against a typical 0.16 ac) and it is newer than 75% of them (2016 against a typical 1982). Measured against all of Travis County, it is worth more than 61% 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 4909 Alf Ave, Austin, TX?

The 2025 property tax bill for 4909 Alf Ave, Austin, TX was $9,911. The county assessed it at $608,414.

More homes on Alf Ave

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