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15400 ECHO HILLS DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,135 sqftBuilt 2003

Property at a Glance

This home is estimated between $730,817 and $932,485, with a best estimate of $851,286. 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

$730,817 $932,485
Best Estimate
$851,286
WCAD Value
$855,436
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 $730,817 and $932,485. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15404 ECHO HILLS DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,894 sqft Built 2007
Raw Value $861,487
Adjusted Value $924,305

Adjusted +$91,100 for 241 sqft more living space and -$28,282 for being older. Net adjustment: +$62,818.

10501 ROY BUTLER DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 4 bath 2,480 sqft Built 2002
Raw Value $870,815
Adjusted Value $807,666

Adjusted -$130,413 for 345 sqft less living space and +$7,071 for being newer and +$60,193 for having a garage. Net adjustment: -$63,149.

15408 ECHO HILLS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,638 sqft Built 2007
Raw Value $772,897
Adjusted Value $932,485

Adjusted +$187,870 for 497 sqft more living space and -$28,282 for being older. Net adjustment: +$159,588.

10400 ROY BUTLER DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,196 sqft Built 2004
Raw Value $881,416
Adjusted Value $851,286

Adjusted -$23,059 for 61 sqft less living space and -$7,071 for being older. Net adjustment: -$30,130.

10505 ROY BUTLER DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
5 bed 4 bath 2,392 sqft Built 2003
Raw Value $827,965
Adjusted Value $730,817

Adjusted -$97,148 for 257 sqft less living space. Net adjustment: -$97,148.

The Neighborhood

This home is valued 5.6% 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
$855,436
Median
$810,250

This home is +5.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $18,350 across all districts. With a homestead exemption claimed, that drops to $15,774 — saving $2,576 per year. That's $1,315 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%$9,298
AustinCity0.5240%$4,483
Williamson CountyCounty0.3694%$3,160
Austin Community Collegespecial0.1034%$885
Williamson County FM/RdCounty0.0443%$379
Upper Brushy Creek WCIDWater0.0170%$145
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$18,350

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $851,286 would pay approximately $5,314 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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