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9817 WHITLEY BAY DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,483 sqftBuilt 2003

Property at a Glance

This home is estimated between $824,478 and $1,187,479, with a best estimate of $1,006,981. 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

$824,478 $1,187,479
Best Estimate
$1,006,981
WCAD Value
$874,909
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 $824,478 and $1,187,479. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9901 WHITLEY BAY DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,079 sqft Built 2004
Raw Value $861,336
Adjusted Value $1,006,981

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

9813 WHITLEY BAY DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
5 bed 3 bath 2,580 sqft Built 2005
Raw Value $1,131,742
Adjusted Value $1,080,934

Adjusted -$36,667 for 97 sqft less living space and -$14,141 for being older. Net adjustment: -$50,808.

9905 WHITLEY BAY DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,534 sqft Built 2004
Raw Value $835,819
Adjusted Value $1,187,479

Adjusted +$358,731 for 949 sqft more living space and -$7,071 for being older. Net adjustment: +$351,660.

9809 WHITLEY BAY DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,117 sqft Built 2004
Raw Value $849,163
Adjusted Value $980,443

Adjusted +$138,351 for 366 sqft more living space and -$7,071 for being older. Net adjustment: +$131,280.

9816 WHITLEY BAY DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,616 sqft Built 2019
Raw Value $987,882
Adjusted Value $824,478

Adjusted -$50,275 for 133 sqft less living space and -$113,129 for being older. Net adjustment: -$163,404.

The Neighborhood

This home is valued 8.0% 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
$874,909
Median
$810,250

This home is +8.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $18,768 across all districts. With a homestead exemption claimed, that drops to $16,167 — saving $2,601 per year. That's $1,347 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%$9,509
AustinCity0.5240%$4,585
Williamson CountyCounty0.3694%$3,232
Austin Community Collegespecial0.1034%$905
Williamson County FM/RdCounty0.0443%$388
Upper Brushy Creek WCIDWater0.0170%$149
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$18,768

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,006,981 would pay approximately $6,286 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.

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