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Single Family ResidenceResidential
$491,520$256 / 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

10921 CASITAS DR

AUSTIN, TX 78717
2
Baths
1,920 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
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

$492K
$456K low$528K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,821 (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.$456,587 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$106,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$350,587
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$511,927
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$456,587

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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Single Family Residence
CountyWILLIAMSON
Lot (acres)The size of the land the home sits on, from county records.0.13
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
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 · 40 ft²Porch · 116 ft²

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(4)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Rutledge Elementary SchoolA+
Elementary · Grades KG–5 · 0.9 mi
H
Vista Ridge High SchoolA-
High · Grades 9–12 · 1.2 mi
M
Henry Middle SchoolA
Middle · Grades 6–8 · 1.6 mi

District: Leander Independent School District

Neighborhood · ZIP 78717These 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.48
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.45,672
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,880 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,403
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$153,215
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

Owner Tools

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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

10921 Casitas 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 more than 70% of homes in Williamson County
  • Costs more per square foot than 91% of homes in Williamson County
  • Smaller than 79% of homes in Austin 78717
  • Has a smaller lot than 92% of homes in Williamson County

What homes are worth in Austin 78717

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

This home
$298K$1.1M

This home is worth more than 32% of homes in Austin 78717.

How it measures up in Austin 78717

The dot is this home. The mark in the middle is the typical home in Austin 78717.

Estimated value$491,520
CheaperTypical $575,888Pricier

Pricier than 32% of homes nearby

Price per ft²$256
CheaperTypical $230Pricier

Pricier than 83% of homes nearby

Living area1,920 ft²
SmallerTypical 2,549 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.13 ac
SmallerTypical 0.19 acBigger

Bigger than 9% of homes nearby

Year built2005
OlderTypical 2005Newer

Newer than 54% of homes nearby

How 10921 Casitas Dr ranks against every home in each area.
MeasureThis homeAvery RanchAustin 78717Williamson County
Estimated valuepricier than$491,52038% of homes32% of homes70% of homes
Price per ft²pricier than$25688% of homes83% of homes91% of homes
Living areabigger than1,920 ft²25% of homes21% of homes41% of homes
Lot sizebigger than0.13 ac12% of homes9% of homes8% of homes
Year builtnewer than200554% of homes54% of homes46% of homes

About 10921 Casitas Dr

How much is 10921 Casitas Dr, Austin, TX worth?

The TopHap Estimate for 10921 Casitas Dr, Austin, TX is $491,520 as of Sep 24, 2026. The likely range is $455,511 to $527,529. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10921 Casitas Dr, Austin, TX last sell?

10921 Casitas Dr, Austin, TX last sold on Feb 9, 2024, according to the county's recorded deed.

How big is 10921 Casitas Dr, Austin, TX?

10921 Casitas Dr, Austin, TX has 2 bathrooms, 1,920 square feet of living space and a 0.13-acre lot.

When was 10921 Casitas Dr, Austin, TX built?

10921 Casitas Dr, Austin, TX was built in 2005, making it 21 years old. The building has 1 story.

What schools serve 10921 Casitas Dr, Austin, TX?

10921 Casitas Dr, Austin, TX is assigned to Rutledge Elementary School (elementary), rated A+; Vista Ridge High School (high), rated A-; Henry Middle School (middle), rated A. All sit in Leander Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10921 Casitas Dr, Austin, TX compare to other homes in Austin 78717?

Among the 9,399 homes in Austin 78717, it is worth more than 32% of them ($491,520 against a typical $575,888), its price per square foot is higher than 83% of them ($256 against a typical $230), it is bigger than 21% of them (1,920 ft² against a typical 2,549 ft²), its lot is bigger than 9% of them (0.13 ac against a typical 0.19 ac) and it is newer than 54% of them (2005 against a typical 2005). Measured against all of Williamson County, it is worth more than 70% 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 10921 Casitas Dr, Austin, TX?

The 2025 property tax bill for 10921 Casitas Dr, Austin, TX was $8,821. The county assessed it at $456,587.

More homes on Casitas Dr

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Assigned schools

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