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Single Family ResidenceResidential
$645,001$295 / 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

909 BISCAYNE

LAKEWAY, TX 78734
2
Baths
2,186 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
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

$645K
$578K low$712K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,745 (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.$611,052 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$272,983
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$338,069
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$611,052
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$611,052

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.0.33
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.Mat/Raft Foundation (Slab)
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Pool W/Hot Tub/Spa
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 198 ft²Porch · 408 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
Serene Hills Elementary SchoolA+
Elementary · Grades PK–5 · 1.0 mi
H
Lake Travis High SchoolA-
High · Grades 9–12 · 2.6 mi
M
Hudson Bend Middle SchoolA-
Middle · Grades 6–8 · 3.8 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%

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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

909 Biscayne 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 67% of homes in Travis County
  • Smaller than 67% of homes in Lakeway
  • Has a bigger lot than 81% of homes in Travis County
  • Older than 83% of homes in Austin 78734

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
$298K$2.8M

This home is worth more than 43% 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$645,001
CheaperTypical $685,838Pricier

Pricier than 43% of homes nearby

Price per ft²$295
CheaperTypical $296Pricier

Pricier than 50% of homes nearby

Living area2,186 ft²
SmallerTypical 2,282 ft²Bigger

Bigger than 46% of homes nearby

Lot size0.33 ac
SmallerTypical 0.34 acBigger

Bigger than 49% of homes nearby

Year built1980
OlderTypical 1998Newer

Newer than 17% of homes nearby

How 909 Biscayne ranks against every home in each area.
MeasureThis homeLakewayAustin 78734Travis County
Estimated valuepricier than$645,00143% of homes43% of homes67% of homes
Price per ft²pricier than$29563% of homes50% of homes57% of homes
Living areabigger than2,186 ft²33% of homes46% of homes64% of homes
Lot sizebigger than0.33 ac53% of homes49% of homes81% of homes
Year builtnewer than198018% of homes17% of homes26% of homes

About 909 Biscayne

How much is 909 Biscayne, Lakeway, TX worth?

The TopHap Estimate for 909 Biscayne, Lakeway, TX is $645,001 as of Aug 30, 2026. The likely range is $577,834 to $712,168. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 909 Biscayne, Lakeway, TX last sell?

909 Biscayne, Lakeway, TX last sold on Apr 5, 2022, according to the county's recorded deed.

How big is 909 Biscayne, Lakeway, TX?

909 Biscayne, Lakeway, TX has 2 bathrooms, 2,186 square feet of living space and a 0.33-acre lot.

When was 909 Biscayne, Lakeway, TX built?

909 Biscayne, Lakeway, TX was built in 1980, making it 46 years old. The building has 1 story.

What schools serve 909 Biscayne, Lakeway, TX?

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

How does 909 Biscayne, Lakeway, TX compare to other homes in Austin 78734?

Among the 10,379 homes in Austin 78734, it is worth more than 43% of them ($645,001 against a typical $685,838), its price per square foot is higher than 50% of them ($295 against a typical $296), it is bigger than 46% of them (2,186 ft² against a typical 2,282 ft²), its lot is bigger than 49% of them (0.33 ac against a typical 0.34 ac) and it is newer than 17% of them (1980 against a typical 1998). Measured against all of Travis County, it is worth more than 67% 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 909 Biscayne, Lakeway, TX?

The 2024 property tax bill for 909 Biscayne, Lakeway, TX was $12,745. The county assessed it at $611,052.

More homes on Biscayne

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