Beta Williamson County, TX only — data and coverage are limited during early access.

11000 CASITAS DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,385 sqftBuilt 2005

Property at a Glance

This home is estimated between $259,642 and $682,237, with a best estimate of $606,797. That places the property above the L591503E - AVERY RANCH FAR WEST PH 1 median of $483,591, in a neighborhood that declined 4.9% over the past year.

Estimated Value Range

$259,642 $682,237
Best Estimate
$606,797
WCAD Value
$666,893
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $259,642 and $682,237. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

11005 CASITAS DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,604 sqft Built 2006
Raw Value $648,052
Adjusted Value $555,030

Adjusted -$90,600 for 219 sqft less living space and -$2,422 for being older. Net adjustment: -$93,022.

11004 CASITAS DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,280 sqft Built 2005
Raw Value $638,799
Adjusted Value $682,237

Adjusted +$43,438 for 105 sqft more living space. Net adjustment: +$43,438.

11108 CASITAS DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,919 sqft Built 2005
Raw Value $480,557
Adjusted Value $259,642

Adjusted -$220,915 for 534 sqft less living space. Net adjustment: -$220,915.

3 bed 2 bath 1,181 sqft Built 2002
Raw Value $576,117
Adjusted Value $667,778

Adjusted +$84,394 for 204 sqft more living space and +$7,267 for being newer. Net adjustment: +$91,661.

4 bed 2 bath 1,376 sqft Built 1993
Raw Value $574,008
Adjusted Value $606,797

Adjusted +$3,723 for 9 sqft more living space and +$29,066 for being newer. Net adjustment: +$32,789.

The Neighborhood

This home is valued 37.9% above the L591503E - AVERY RANCH FAR WEST PH 1 median of $483,591. With 1,612 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.9% over the past year.

L591503E - AVERY RANCH FAR WEST PH 1

above average
1,612 Properties
$483,591 Median Value
-4.9% YoY Change
0% Have Pool
100% Have Garage
This Home
$666,893
Median
$483,591

This home is +37.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,305 across all districts. With a homestead exemption claimed, that drops to $11,962 — saving $2,343 per year. That's $997 per month a buyer should budget. The assessed value increased +3.0% vs the subdivision average of -4.9%. This above-average increase gives a protest opportunity score of 40 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$7,248
AustinCity0.5240%$3,495
Williamson CountyCounty0.3694%$2,464
Austin Community Collegespecial0.1034%$690
Williamson County FM/RdCounty0.0443%$296
Upper Brushy Creek WCIDWater0.0170%$113
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$14,305
40 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $606,797 would pay approximately $3,788 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/19/2026.

View full property details