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

9912 WHITLEY BAY DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath3,089 sqftBuilt 2002

Property at a Glance

This home is estimated between $641,219 and $1,264,094, with a best estimate of $1,197,158. 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

$641,219 $1,264,094
Best Estimate
$1,197,158
WCAD Value
$1,027,551
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 $641,219 and $1,264,094. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9908 WHITLEY BAY DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,137 sqft Built 2004
Raw Value $918,370
Adjusted Value $1,264,094

Adjusted +$359,865 for 952 sqft more living space and -$14,141 for being older. Net adjustment: +$345,724.

9813 BUNDORAN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,098 sqft Built 2004
Raw Value $735,396
Adjusted Value $1,095,862

Adjusted +$374,607 for 991 sqft more living space and -$14,141 for being older. Net adjustment: +$360,466.

9817 BUNDORAN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,146 sqft Built 2003
Raw Value $894,852
Adjusted Value $1,244,243

Adjusted +$356,462 for 943 sqft more living space and -$7,071 for being older. Net adjustment: +$349,391.

9904 WHITLEY BAY DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 3,362 sqft Built 2002
Raw Value $744,415
Adjusted Value $641,219

Adjusted -$103,196 for 273 sqft less living space. Net adjustment: -$103,196.

9821 BUNDORAN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,816 sqft Built 2003
Raw Value $723,024
Adjusted Value $1,197,158

Adjusted +$481,205 for 1,273 sqft more living space and -$7,071 for being older. Net adjustment: +$474,134.

The Neighborhood

This home is valued 26.8% 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

above average
384 Properties
$810,250 Median Value
-4.4% YoY Change
0% Have Pool
100% Have Garage
This Home
$1,027,551
Median
$810,250

This home is +26.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $22,042 across all districts. With a homestead exemption claimed, that drops to $19,254 — saving $2,788 per year. That's $1,605 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%$11,168
AustinCity0.5240%$5,385
Williamson CountyCounty0.3694%$3,796
Austin Community Collegespecial0.1034%$1,062
Williamson County FM/RdCounty0.0443%$456
Upper Brushy Creek WCIDWater0.0170%$175
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$22,042

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,197,158 would pay approximately $7,473 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