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10521 ROY BUTLER DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,601 sqftBuilt 2005

Property at a Glance

This home is estimated between $570,657 and $1,095,707, with a best estimate of $667,596. 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

$570,657 $1,095,707
Best Estimate
$667,596
WCAD Value
$997,550
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 $570,657 and $1,095,707. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

10517 ROY BUTLER DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,910 sqft Built 2007
Raw Value $844,184
Adjusted Value $1,091,247

Adjusted +$261,204 for 691 sqft more living space and -$14,141 for being older. Net adjustment: +$247,063.

10525 ROY BUTLER DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,966 sqft Built 2004
Raw Value $777,579
Adjusted Value $646,677

Adjusted -$137,973 for 365 sqft less living space and +$7,071 for being newer. Net adjustment: -$130,902.

15512 ECHO HILLS DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,721 sqft Built 2005
Raw Value $712,957
Adjusted Value $667,596

Adjusted -$45,361 for 120 sqft less living space. Net adjustment: -$45,361.

15508 ECHO HILLS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,638 sqft Built 2005
Raw Value $731,684
Adjusted Value $1,095,707

Adjusted +$364,023 for 963 sqft more living space. Net adjustment: +$364,023.

15516 ECHO HILLS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,088 sqft Built 2005
Raw Value $754,747
Adjusted Value $570,657

Adjusted -$184,090 for 487 sqft less living space. Net adjustment: -$184,090.

The Neighborhood

This home is valued 23.1% 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
$997,550
Median
$810,250

This home is +23.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $21,398 across all districts. With a homestead exemption claimed, that drops to $18,647 — saving $2,751 per year. That's $1,554 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%$10,842
AustinCity0.5240%$5,227
Williamson CountyCounty0.3694%$3,685
Austin Community Collegespecial0.1034%$1,031
Williamson County FM/RdCounty0.0443%$442
Upper Brushy Creek WCIDWater0.0170%$170
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$21,398

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $667,596 would pay approximately $4,167 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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