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

10021 WHITLEY BAY DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,986 sqftBuilt 2004

Property at a Glance

This home is estimated between $751,947 and $1,287,463, with a best estimate of $1,125,791. 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

$751,947 $1,287,463
Best Estimate
$1,125,791
WCAD Value
$858,264
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 $751,947 and $1,287,463. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

10017 WHITLEY BAY DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 3,168 sqft Built 2003
Raw Value $1,072,664
Adjusted Value $1,010,937

Adjusted -$68,798 for 182 sqft less living space and +$7,071 for being newer. Net adjustment: -$61,727.

10101 WHITLEY BAY DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 3,075 sqft Built 2003
Raw Value $778,519
Adjusted Value $751,947

Adjusted -$33,643 for 89 sqft less living space and +$7,071 for being newer. Net adjustment: -$26,572.

10013 WHITLEY BAY DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,432 sqft Built 2003
Raw Value $909,303
Adjusted Value $1,125,791

Adjusted +$209,417 for 554 sqft more living space and +$7,071 for being newer. Net adjustment: +$216,488.

10105 WHITLEY BAY DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,452 sqft Built 2003
Raw Value $999,974
Adjusted Value $1,208,902

Adjusted +$201,857 for 534 sqft more living space and +$7,071 for being newer. Net adjustment: +$208,928.

10009 WHITLEY BAY DR, AUSTIN, TX 78717
0.05 mi 100% similar Same subdivision
4 bed 2,066 sqft Built 2003
Raw Value $932,624
Adjusted Value $1,287,463

Adjusted +$347,768 for 920 sqft more living space and +$7,071 for being newer. Net adjustment: +$354,839.

The Neighborhood

This home is valued 5.9% 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
$858,264
Median
$810,250

This home is +5.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $18,411 across all districts. With a homestead exemption claimed, that drops to $15,831 — saving $2,580 per year. That's $1,319 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%$9,328
AustinCity0.5240%$4,497
Williamson CountyCounty0.3694%$3,171
Austin Community Collegespecial0.1034%$887
Williamson County FM/RdCounty0.0443%$380
Upper Brushy Creek WCIDWater0.0170%$146
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$18,411

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,125,791 would pay approximately $7,027 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