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15517 ECHO HILLS DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,602 sqftBuilt 2006

Property at a Glance

This home is estimated between $616,761 and $1,148,762, with a best estimate of $1,021,438. 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

$616,761 $1,148,762
Best Estimate
$1,021,438
WCAD Value
$928,676
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 $616,761 and $1,148,762. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15521 ECHO HILLS DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,940 sqft Built 2005
Raw Value $829,436
Adjusted Value $1,086,749

Adjusted +$250,242 for 662 sqft more living space and +$7,071 for being newer. Net adjustment: +$257,313.

15513 ECHO HILLS DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,749 sqft Built 2005
Raw Value $819,249
Adjusted Value $1,148,762

Adjusted +$322,442 for 853 sqft more living space and +$7,071 for being newer. Net adjustment: +$329,513.

15525 ECHO HILLS DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,072 sqft Built 2006
Raw Value $821,093
Adjusted Value $1,021,438

Adjusted +$200,345 for 530 sqft more living space. Net adjustment: +$200,345.

15509 ECHO HILLS DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
5 bed 3 bath 2,277 sqft Built 2007
Raw Value $859,927
Adjusted Value $975,709

Adjusted +$122,853 for 325 sqft more living space and -$7,071 for being older. Net adjustment: +$115,782.

15520 BRODICK DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,775 sqft Built 2007
Raw Value $689,228
Adjusted Value $616,761

Adjusted -$65,396 for 173 sqft less living space and -$7,071 for being older. Net adjustment: -$72,467.

The Neighborhood

This home is valued 14.6% 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
$928,676
Median
$810,250

This home is +14.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $19,921 across all districts. With a homestead exemption claimed, that drops to $17,254 — saving $2,667 per year. That's $1,438 per month a buyer should budget. The assessed value increased +5.9% vs the subdivision average of -4.4%. This above-average increase gives a protest opportunity score of 70 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$10,094
AustinCity0.5240%$4,866
Williamson CountyCounty0.3694%$3,431
Austin Community Collegespecial0.1034%$960
Williamson County FM/RdCounty0.0443%$412
Upper Brushy Creek WCIDWater0.0170%$158
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$19,921
70 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,021,438 would pay approximately $6,376 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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