Beta Williamson County, TX only — data and coverage are limited during early access.

14420 BALLYCASTLE TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,005 sqftBuilt 2003

Property at a Glance

This home is estimated between $160,412 and $516,697, with a best estimate of $483,501. That places the property below the L591503E - AVERY RANCH FAR WEST PH 1 median of $483,591, in a neighborhood that declined 4.9% over the past year.

Estimated Value Range

$160,412 $516,697
Best Estimate
$483,501
WCAD Value
$508,931
High Confidence

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

Based on 5 comparable properties in L591503E - AVERY RANCH FAR WEST PH 1, this home's estimated market value is between $160,412 and $516,697. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

14416 BALLYCASTLE TRL, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,678 sqft Built 2002
Raw Value $436,409
Adjusted Value $160,412

Adjusted -$278,419 for 673 sqft less living space and +$2,422 for being newer. Net adjustment: -$275,997.

14424 BALLYCASTLE TRL, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,102 sqft Built 2002
Raw Value $443,462
Adjusted Value $405,755

Adjusted -$40,129 for 97 sqft less living space and +$2,422 for being newer. Net adjustment: -$37,707.

14412 BALLYCASTLE TRL, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 940 sqft Built 2002
Raw Value $454,189
Adjusted Value $483,501

Adjusted +$26,890 for 65 sqft more living space and +$2,422 for being newer. Net adjustment: +$29,312.

14428 BALLYCASTLE TRL, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 720 sqft Built 2002
Raw Value $396,371
Adjusted Value $516,697

Adjusted +$117,904 for 285 sqft more living space and +$2,422 for being newer. Net adjustment: +$120,326.

14421 LILLEY BROOK CV, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 874 sqft Built 2001
Raw Value $436,562
Adjusted Value $495,600

Adjusted +$54,194 for 131 sqft more living space and +$4,844 for being newer. Net adjustment: +$59,038.

The Neighborhood

This home is valued 5.2% above the L591503E - AVERY RANCH FAR WEST PH 1 median of $483,591. With 1,612 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.9% over the past year.

L591503E - AVERY RANCH FAR WEST PH 1

typical
1,612 Properties
$483,591 Median Value
-4.9% YoY Change
0% Have Pool
100% Have Garage
This Home
$508,931
Median
$483,591

This home is +5.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,917 across all districts. With a homestead exemption claimed, that drops to $8,768 — saving $2,149 per year. That's $731 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
Leander ISDSchool1.0869%$5,532
AustinCity0.5240%$2,667
Williamson CountyCounty0.3694%$1,880
Austin Community Collegespecial0.1034%$526
Williamson County FM/RdCounty0.0443%$226
Upper Brushy Creek WCIDWater0.0170%$87
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$10,917

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $483,501 would pay approximately $3,018 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.

View full property details