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16701 ENNIS TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2,717 sqftBuilt 2003

Property at a Glance

This home is estimated between $646,054 and $829,554, with a best estimate of $663,816. 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

$646,054 $829,554
Best Estimate
$663,816
WCAD Value
$628,270
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 $646,054 and $829,554. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $646,054

Adjusted +$31,864 for 104 sqft more living space. Net adjustment: +$31,864.

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 $663,816

Adjusted +$15,013 for 49 sqft more living space and -$7,430 for being older. Net adjustment: +$7,583.

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 $829,554

Adjusted +$135,728 for 443 sqft more living space. Net adjustment: +$135,728.

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 $826,898

Adjusted +$147,677 for 482 sqft more living space. Net adjustment: +$147,677.

16813 ENNIS TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,579 sqft Built 2003
Raw Value $616,893
Adjusted Value $659,174

Adjusted +$42,281 for 138 sqft more living space. Net adjustment: +$42,281.

The Neighborhood

This home is valued 19.7% 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
$628,270
Median
$524,962

This home is +19.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,259 across all districts. With a homestead exemption claimed, that drops to $10,235 — saving $2,024 per year. That's $853 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%$5,611
AustinCity0.5240%$3,292
Williamson CountyCounty0.3694%$2,321
Austin Community Collegespecial0.1034%$650
Williamson County FM/RdCounty0.0443%$279
Upper Brushy Creek WCIDWater0.0170%$107
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$12,259

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $663,816 would pay approximately $4,144 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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