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16624 ENNIS TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath1,582 sqftBuilt 2004

Property at a Glance

This home is estimated between $471,722 and $682,398, with a best estimate of $519,851. That places the property below the R250401D - AVERY RANCH EAST (PH. 1) median of $524,962, in a neighborhood that declined 2.2% over the past year.

Estimated Value Range

$471,722 $682,398
Best Estimate
$519,851
WCAD Value
$571,333
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R250401D - AVERY RANCH EAST (PH. 1), this home's estimated market value is between $471,722 and $682,398. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

16620 ENNIS TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,257 sqft Built 2004
Raw Value $552,973
Adjusted Value $652,548

Adjusted +$99,575 for 325 sqft more living space. Net adjustment: +$99,575.

17001 ENNIS TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,006 sqft Built 2002
Raw Value $664,618
Adjusted Value $519,851

Adjusted -$129,907 for 424 sqft less living space and -$14,860 for being older. Net adjustment: -$144,767.

16705 ENNIS TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,464 sqft Built 2003
Raw Value $653,675
Adjusted Value $682,398

Adjusted +$36,153 for 118 sqft more living space and -$7,430 for being older. Net adjustment: +$28,723.

17113 ENNIS TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,274 sqft Built 2003
Raw Value $693,826
Adjusted Value $474,378

Adjusted -$212,018 for 692 sqft less living space and -$7,430 for being older. Net adjustment: -$219,448.

16909 ENNIS TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,235 sqft Built 2003
Raw Value $679,221
Adjusted Value $471,722

Adjusted -$200,069 for 653 sqft less living space and -$7,430 for being older. Net adjustment: -$207,499.

The Neighborhood

This home is valued 8.8% above the R250401D - AVERY RANCH EAST (PH. 1) median of $524,962. With 323 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 2.2% over the past year.

R250401D - AVERY RANCH EAST (PH. 1)

typical
323 Properties
$524,962 Median Value
-2.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$571,333
Median
$524,962

This home is +8.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,148 across all districts. With a homestead exemption claimed, that drops to $9,194 — saving $1,954 per year. That's $766 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
Round Rock ISDSchool0.8931%$5,103
AustinCity0.5240%$2,994
Williamson CountyCounty0.3694%$2,111
Austin Community Collegespecial0.1034%$591
Williamson County FM/RdCounty0.0443%$253
Upper Brushy Creek WCIDWater0.0170%$97
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$11,148

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $519,851 would pay approximately $3,245 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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