Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$402,235$221 / 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 92How 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

509 ROCK BLUFF DR

AUSTIN, TX 78734
2
Beds
2
Baths
1,818 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$402K
$372K low$433K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,075 (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.$428,499 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$389,545
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$453,187

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.0.18
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.Tile
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.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.Deck · 92 ft²Porch · 322 ft²

Transaction History(4)

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
Serene Hills Elementary SchoolA
Elementary · Grades PK–5 · 2.5 mi
M
Hudson Bend Middle SchoolA
Middle · Grades 6–8 · 2.5 mi
H
Lake Travis High SchoolA
High · Grades 9–12 · 3.6 mi

District: Lake Travis Independent School District

Neighborhood · ZIP 78734These 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.102
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 100.18

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.24,125
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,006 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,178
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$162,901
Average tempThe average temperature here across a full year.67°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

Do you own this home?
Claim this home

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

509 Rock Bluff 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 91% of homes in Lakeway
  • Costs less per square foot than 92% of homes in Austin 78734
  • Smaller than 83% of homes in Lakeway
  • Has a smaller lot than 88% of homes in Austin 78734
  • Older than 90% of homes in Lakeway

What homes are worth in Austin 78734

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

This home
$295K$3.3M

This home is worth more than 9% of homes in Austin 78734.

How it measures up in Austin 78734

The dot is this home. The mark in the middle is the typical home in Austin 78734.

Estimated value$402,235
CheaperTypical $709,075Pricier

Pricier than 9% of homes nearby

Price per ft²$221
CheaperTypical $306Pricier

Pricier than 8% of homes nearby

Living area1,818 ft²
SmallerTypical 2,255 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.18 ac
SmallerTypical 0.33 acBigger

Bigger than 12% of homes nearby

Year built1974
OlderTypical 1998Newer

Newer than 10% of homes nearby

How 509 Rock Bluff Dr ranks against every home in each area.
MeasureThis homeLakewayAustin 78734Travis County
Estimated valuepricier than$402,2359% of homes9% of homes37% of homes
Price per ft²pricier than$2219% of homes8% of homes32% of homes
Living areabigger than1,818 ft²17% of homes30% of homes48% of homes
Lot sizebigger than0.18 ac13% of homes12% of homes49% of homes
Year builtnewer than197410% of homes10% of homes19% of homes

About 509 Rock Bluff Dr

How much is 509 Rock Bluff Dr, Austin, TX worth?

The TopHap Estimate for 509 Rock Bluff Dr, Austin, TX is $402,235 as of Sep 24, 2026. The likely range is $371,540 to $432,930. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Rock Bluff Dr, Austin, TX last sell?

509 Rock Bluff Dr, Austin, TX last sold on Dec 21, 2016, according to the county's recorded deed.

How big is 509 Rock Bluff Dr, Austin, TX?

509 Rock Bluff Dr, Austin, TX has 2 bedrooms, 2 bathrooms, 1,818 square feet of living space and a 0.18-acre lot.

When was 509 Rock Bluff Dr, Austin, TX built?

509 Rock Bluff Dr, Austin, TX was built in 1974, making it 52 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 509 Rock Bluff Dr, Austin, TX?

509 Rock Bluff Dr, Austin, TX is assigned to Serene Hills Elementary School (elementary), rated A; Hudson Bend Middle School (middle), rated A; Lake Travis High School (high), rated A. All sit in Lake Travis Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Rock Bluff Dr, Austin, TX compare to other homes in Austin 78734?

Among the 10,509 homes in Austin 78734, it is worth more than 9% of them ($402,235 against a typical $709,075), its price per square foot is higher than 8% of them ($221 against a typical $306), it is bigger than 30% of them (1,818 ft² against a typical 2,255 ft²), its lot is bigger than 12% of them (0.18 ac against a typical 0.33 ac) and it is newer than 10% of them (1974 against a typical 1998). Measured against all of Travis County, it is worth more than 37% 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 509 Rock Bluff Dr, Austin, TX?

The 2025 property tax bill for 509 Rock Bluff Dr, Austin, TX was $3,075. The county assessed it at $428,499.

More homes on Rock Bluff Dr

Closest homes

More homes in Austin 78734

Assigned schools

Explore the area

See this home in context

Open 509 Rock Bluff Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map