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16804 ENNIS TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath2,224 sqftBuilt 2003

Property at a Glance

This home is estimated between $495,006 and $723,980, with a best estimate of $675,851. That places the property above 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

$495,006 $723,980
Best Estimate
$675,851
WCAD Value
$681,399
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 $495,006 and $723,980. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $723,980

Adjusted +$66,792 for 218 sqft more living space and -$7,430 for being older. Net adjustment: +$59,362.

17029 ENNIS TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,613 sqft Built 2003
Raw Value $614,190
Adjusted Value $495,006

Adjusted -$119,184 for 389 sqft less living space. Net adjustment: -$119,184.

17304 ENNIS TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,668 sqft Built 2002
Raw Value $656,233
Adjusted Value $512,768

Adjusted -$136,035 for 444 sqft less living space and -$7,430 for being older. Net adjustment: -$143,465.

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 $678,507

Adjusted -$15,319 for 50 sqft less living space. Net adjustment: -$15,319.

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 $675,851

Adjusted -$3,370 for 11 sqft less living space. Net adjustment: -$3,370.

The Neighborhood

This home is valued 29.8% 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)

above average
323 Properties
$524,962 Median Value
-2.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$681,399
Median
$524,962

This home is +29.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,296 across all districts. With a homestead exemption claimed, that drops to $11,206 — saving $2,090 per year. That's $934 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%$6,086
AustinCity0.5240%$3,571
Williamson CountyCounty0.3694%$2,517
Austin Community Collegespecial0.1034%$705
Williamson County FM/RdCounty0.0443%$302
Upper Brushy Creek WCIDWater0.0170%$116
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$13,296

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $675,851 would pay approximately $4,219 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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