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Single Family ResidenceResidential
$340,471$257 / 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 Sep 24, 2026
Last sold for $189,100 on Apr 30, 2019

8309 ALUM ROCK DR

AUSTIN, TX 78747
2
Baths
1,326 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.
2002
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$340K
$318K low$363K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$189,100 · Apr 30, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,635 (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.$295,030 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$61,815
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$233,215
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$275,353
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$295,030

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.0.15
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.Mat/Raft Foundation (Slab)
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.Patio · 168 ft²Porch · 20 ft²

Transaction History(3)

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
Palm Elementary SchoolC+
Elementary · Grades EE–5 · 0.9 mi
H
Akins High SchoolD+
High · Grades 9–12 · 3.8 mi
M
Paredes Middle SchoolF
Middle · Grades 6–8 · 4.5 mi

District: Austin Independent School District

Neighborhood · ZIP 78747These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.23,683
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.996 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,831
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,702
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.36 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

8309 Alum Rock Dr 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 76% of homes in Travis County
  • Costs more per square foot than 95% of homes in Austin 78747
  • Smaller than 87% of homes in Austin 78747
  • Has a smaller lot than 67% of homes in Travis County
  • Older than 71% of homes in Austin 78747

What homes are worth in Austin 78747

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

This home
$256K$688K

This home is worth more than 40% of homes in Austin 78747.

How it measures up in Austin 78747

The dot is this home. The mark in the middle is the typical home in Austin 78747.

Estimated value$340,471
CheaperTypical $356,406Pricier

Pricier than 40% of homes nearby

Price per ft²$257
CheaperTypical $190Pricier

Pricier than 95% of homes nearby

Living area1,326 ft²
SmallerTypical 1,896 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.15 ac
SmallerTypical 0.14 acBigger

Bigger than 62% of homes nearby

Year built2002
OlderTypical 2009Newer

Newer than 29% of homes nearby

How 8309 Alum Rock Dr ranks against every home in each area.
MeasureThis homeAustin 78747Travis County
Estimated valuepricier than$340,47140% of homes24% of homes
Price per ft²pricier than$25795% of homes46% of homes
Living areabigger than1,326 ft²13% of homes22% of homes
Lot sizebigger than0.15 ac62% of homes33% of homes
Year builtnewer than200229% of homes56% of homes

About 8309 Alum Rock Dr

How much is 8309 Alum Rock Dr, Austin, TX worth?

The TopHap Estimate for 8309 Alum Rock Dr, Austin, TX is $340,471 as of Sep 24, 2026. The likely range is $317,676 to $363,266. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8309 Alum Rock Dr, Austin, TX last sell?

8309 Alum Rock Dr, Austin, TX last sold on Apr 30, 2019 for $189,100, according to the county's recorded deed.

How big is 8309 Alum Rock Dr, Austin, TX?

8309 Alum Rock Dr, Austin, TX has 2 bathrooms, 1,326 square feet of living space and a 0.15-acre lot.

When was 8309 Alum Rock Dr, Austin, TX built?

8309 Alum Rock Dr, Austin, TX was built in 2002, making it 24 years old. The building has 1 story.

What schools serve 8309 Alum Rock Dr, Austin, TX?

8309 Alum Rock Dr, Austin, TX is assigned to Palm Elementary School (elementary), rated C+; Akins High School (high), rated D+; Paredes 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 8309 Alum Rock Dr, Austin, TX compare to other homes in Austin 78747?

Among the 8,964 homes in Austin 78747, it is worth more than 40% of them ($340,471 against a typical $356,406), its price per square foot is higher than 95% of them ($257 against a typical $190), it is bigger than 13% of them (1,326 ft² against a typical 1,896 ft²), its lot is bigger than 62% of them (0.15 ac against a typical 0.14 ac) and it is newer than 29% of them (2002 against a typical 2009). Measured against all of Travis County, it is worth more than 24% 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 8309 Alum Rock Dr, Austin, TX?

The 2025 property tax bill for 8309 Alum Rock Dr, Austin, TX was $5,635. The county assessed it at $295,030.

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