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

10009 WHITLEY BAY DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2,066 sqftBuilt 2003

Property at a Glance

This home is estimated between $386,316 and $887,058, with a best estimate of $656,098. That places the property below the L575502C - AVERY RANCH NORTH & BROOKSIDE median of $810,250, in a neighborhood that declined 4.4% over the past year.

Estimated Value Range

$386,316 $887,058
Best Estimate
$656,098
WCAD Value
$932,624
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 $386,316 and $887,058. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

10005 WHITLEY BAY DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
5 bed 4 bath 1,850 sqft Built 2005
Raw Value $819,549
Adjusted Value $887,058

Adjusted +$81,650 for 216 sqft more living space and -$14,141 for being older. Net adjustment: +$67,509.

10013 WHITLEY BAY DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,432 sqft Built 2003
Raw Value $909,303
Adjusted Value $770,952

Adjusted -$138,351 for 366 sqft less living space. Net adjustment: -$138,351.

10001 WHITLEY BAY DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,048 sqft Built 2004
Raw Value $764,592
Adjusted Value $386,316

Adjusted -$371,205 for 982 sqft less living space and -$7,071 for being older. Net adjustment: -$378,276.

10017 WHITLEY BAY DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,168 sqft Built 2003
Raw Value $1,072,664
Adjusted Value $656,098

Adjusted -$416,566 for 1,102 sqft less living space. Net adjustment: -$416,566.

10008 WHITLEY BAY DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,218 sqft Built 2003
Raw Value $1,028,901
Adjusted Value $593,435

Adjusted -$435,466 for 1,152 sqft less living space. Net adjustment: -$435,466.

The Neighborhood

This home is valued 15.1% 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
$932,624
Median
$810,250

This home is +15.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $20,006 across all districts. With a homestead exemption claimed, that drops to $17,334 — saving $2,672 per year. That's $1,445 per month a buyer should budget. The assessed value increased +4.7% vs the subdivision average of -4.4%. This above-average increase gives a protest opportunity score of 56 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$10,137
AustinCity0.5240%$4,887
Williamson CountyCounty0.3694%$3,446
Austin Community Collegespecial0.1034%$964
Williamson County FM/RdCounty0.0443%$413
Upper Brushy Creek WCIDWater0.0170%$159
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$20,006
56 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $656,098 would pay approximately $4,095 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