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

9901 WHITLEY BAY DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,079 sqftBuilt 2004

Property at a Glance

This home is estimated between $678,833 and $1,041,834, with a best estimate of $935,288. That places the property above the L575502C - AVERY RANCH NORTH & BROOKSIDE median of $810,250, in a neighborhood that declined 4.4% over the past year.

Estimated Value Range

$678,833 $1,041,834
Best Estimate
$935,288
WCAD Value
$861,336
High Confidence

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

Based on 5 comparable properties in L575502C - AVERY RANCH NORTH & BROOKSIDE, this home's estimated market value is between $678,833 and $1,041,834. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9905 WHITLEY BAY DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,534 sqft Built 2004
Raw Value $835,819
Adjusted Value $1,041,834

Adjusted +$206,015 for 545 sqft more living space. Net adjustment: +$206,015.

9817 WHITLEY BAY DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,483 sqft Built 2003
Raw Value $874,909
Adjusted Value $729,264

Adjusted -$152,716 for 404 sqft less living space and +$7,071 for being newer. Net adjustment: -$145,645.

9909 WHITLEY BAY DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,066 sqft Built 2003
Raw Value $973,383
Adjusted Value $985,368

Adjusted +$4,914 for 13 sqft more living space and +$7,071 for being newer. Net adjustment: +$11,985.

9813 WHITLEY BAY DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
5 bed 3 bath 2,580 sqft Built 2005
Raw Value $1,131,742
Adjusted Value $935,288

Adjusted -$189,383 for 501 sqft less living space and -$7,071 for being older. Net adjustment: -$196,454.

9816 WHITLEY BAY DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,616 sqft Built 2019
Raw Value $987,882
Adjusted Value $678,833

Adjusted -$202,991 for 537 sqft less living space and -$106,058 for being older. Net adjustment: -$309,049.

The Neighborhood

This home is valued 6.3% above the L575502C - AVERY RANCH NORTH & BROOKSIDE median of $810,250. With 384 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.4% over the past year.

L575502C - AVERY RANCH NORTH & BROOKSIDE

typical
384 Properties
$810,250 Median Value
-4.4% YoY Change
0% Have Pool
100% Have Garage
This Home
$861,336
Median
$810,250

This home is +6.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $18,476 across all districts. With a homestead exemption claimed, that drops to $15,893 — saving $2,583 per year. That's $1,324 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$9,362
AustinCity0.5240%$4,514
Williamson CountyCounty0.3694%$3,182
Austin Community Collegespecial0.1034%$891
Williamson County FM/RdCounty0.0443%$382
Upper Brushy Creek WCIDWater0.0170%$146
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$18,476

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $935,288 would pay approximately $5,838 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 4/18/2026.

View full property details