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17305 ENNIS TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,448 sqftBuilt 2002

Property at a Glance

This home is estimated between $347,609 and $656,203, with a best estimate of $493,655. 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

$347,609 $656,203
Best Estimate
$493,655
WCAD Value
$695,726
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 $347,609 and $656,203. 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 $626,352

Adjusted +$58,519 for 191 sqft more living space and +$14,860 for being newer. Net adjustment: +$73,379.

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 $493,655

Adjusted -$170,963 for 558 sqft less living space. Net adjustment: -$170,963.

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 $656,203

Adjusted -$4,902 for 16 sqft less living space and +$7,430 for being newer. Net adjustment: +$2,528.

16625 ENNIS TRL, AUSTIN, TX 78717
0.00 mi 98% similar Same subdivision
3 bed 2 bath 1,857 sqft Built 2003
Raw Value $465,490
Adjusted Value $347,609

Adjusted -$125,311 for 409 sqft less living space and +$7,430 for being newer. Net adjustment: -$117,881.

16909 ENNIS TRL, AUSTIN, TX 78717
0.00 mi 97% similar Same subdivision
4 bed 2 bath 2,235 sqft Built 2003
Raw Value $679,221
Adjusted Value $445,526

Adjusted -$241,125 for 787 sqft less living space and +$7,430 for being newer. Net adjustment: -$233,695.

The Neighborhood

This home is valued 32.5% 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
$695,726
Median
$524,962

This home is +32.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,576 across all districts. With a homestead exemption claimed, that drops to $11,468 — saving $2,108 per year. That's $956 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%$6,214
AustinCity0.5240%$3,646
Williamson CountyCounty0.3694%$2,570
Austin Community Collegespecial0.1034%$719
Williamson County FM/RdCounty0.0443%$308
Upper Brushy Creek WCIDWater0.0170%$118
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$13,576

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $493,655 would pay approximately $3,081 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 4/19/2026.

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