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17304 ENNIS TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,668 sqftBuilt 2002

Property at a Glance

This home is estimated between $638,471 and $867,445, with a best estimate of $819,315. 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

$638,471 $867,445
Best Estimate
$819,315
WCAD Value
$656,233
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 $638,471 and $867,445. 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 $867,445

Adjusted +$202,827 for 662 sqft more living space. Net adjustment: +$202,827.

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 $638,471

Adjusted +$16,851 for 55 sqft more living space and +$7,430 for being newer. Net adjustment: +$24,281.

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 $821,971

Adjusted +$120,715 for 394 sqft more living space and +$7,430 for being newer. Net adjustment: +$128,145.

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 $819,315

Adjusted +$132,664 for 433 sqft more living space and +$7,430 for being newer. Net adjustment: +$140,094.

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 $651,591

Adjusted +$27,268 for 89 sqft more living space and +$7,430 for being newer. Net adjustment: +$34,698.

The Neighborhood

This home is valued 25.0% 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
$656,233
Median
$524,962

This home is +25.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,805 across all districts. With a homestead exemption claimed, that drops to $10,746 — saving $2,059 per year. That's $896 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%$5,861
AustinCity0.5240%$3,439
Williamson CountyCounty0.3694%$2,424
Austin Community Collegespecial0.1034%$679
Williamson County FM/RdCounty0.0443%$291
Upper Brushy Creek WCIDWater0.0170%$112
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$12,805

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $819,315 would pay approximately $5,114 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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