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

15520 ECHO HILLS DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,076 sqftBuilt 2005

Property at a Glance

This home is estimated between $372,202 and $825,430, with a best estimate of $448,222. 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

$372,202 $825,430
Best Estimate
$448,222
WCAD Value
$787,051
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 $372,202 and $825,430. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15516 ECHO HILLS DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 3,088 sqft Built 2005
Raw Value $754,747
Adjusted Value $372,202

Adjusted -$382,545 for 1,012 sqft less living space. Net adjustment: -$382,545.

15524 ECHO HILLS DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,898 sqft Built 2004
Raw Value $734,505
Adjusted Value $430,853

Adjusted -$310,723 for 822 sqft less living space and +$7,071 for being newer. Net adjustment: -$303,652.

10529 ROY BUTLER DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,342 sqft Built 2004
Raw Value $918,909
Adjusted Value $825,430

Adjusted -$100,550 for 266 sqft less living space and +$7,071 for being newer. Net adjustment: -$93,479.

10525 ROY BUTLER DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,966 sqft Built 2004
Raw Value $777,579
Adjusted Value $448,222

Adjusted -$336,428 for 890 sqft less living space and +$7,071 for being newer. Net adjustment: -$329,357.

15528 ECHO HILLS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 3 bath 2,498 sqft Built 2004
Raw Value $646,865
Adjusted Value $494,416

Adjusted -$159,520 for 422 sqft less living space and +$7,071 for being newer. Net adjustment: -$152,449.

The Neighborhood

This home is valued 2.9% below the L575502C - AVERY RANCH NORTH & BROOKSIDE median of $810,250. That positions it competitively for buyers comparing within the neighborhood. 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
$787,051
Median
$810,250

This home is -2.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $16,883 across all districts. With a homestead exemption claimed, that drops to $14,391 — saving $2,492 per year. That's $1,199 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%$8,554
AustinCity0.5240%$4,124
Williamson CountyCounty0.3694%$2,908
Austin Community Collegespecial0.1034%$814
Williamson County FM/RdCounty0.0443%$349
Upper Brushy Creek WCIDWater0.0170%$134
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$16,883

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $448,222 would pay approximately $2,798 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