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

15113 FERNHILL DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,120 sqftBuilt 2005

Property at a Glance

This home is estimated between $264,449 and $638,602, with a best estimate of $327,818. That places the property below the R251501D - Avery Ranch South median of $708,305, in a neighborhood that declined 3.8% over the past year.

Estimated Value Range

$264,449 $638,602
Best Estimate
$327,818
WCAD Value
$642,150
High Confidence

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

Based on 5 comparable properties in R251501D - Avery Ranch South, this home's estimated market value is between $264,449 and $638,602. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9401 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,823 sqft Built 2005
Raw Value $574,674
Adjusted Value $327,818

Adjusted -$246,856 for 703 sqft less living space. Net adjustment: -$246,856.

9413 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,925 sqft Built 2005
Raw Value $549,467
Adjusted Value $266,794

Adjusted -$282,673 for 805 sqft less living space. Net adjustment: -$282,673.

15105 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,123 sqft Built 2006
Raw Value $641,048
Adjusted Value $638,602

Adjusted -$1,053 for 3 sqft less living space and -$1,393 for being older. Net adjustment: -$2,446.

9421 CASTLE PINES DR, AUSTIN, TX 78717
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,910 sqft Built 2005
Raw Value $541,855
Adjusted Value $264,449

Adjusted -$277,406 for 790 sqft less living space. Net adjustment: -$277,406.

9404 CASTLE PINES DR, AUSTIN, TX 78717
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,571 sqft Built 2005
Raw Value $718,902
Adjusted Value $560,535

Adjusted -$158,367 for 451 sqft less living space. Net adjustment: -$158,367.

The Neighborhood

This home is valued 9.3% below the R251501D - Avery Ranch South median of $708,305. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 3.8% over the past year.

R251501D - Avery Ranch South

typical
635 Properties
$708,305 Median Value
-3.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$642,150
Median
$708,305

This home is -9.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,530 across all districts. With a homestead exemption claimed, that drops to $10,488 — saving $2,042 per year. That's $874 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%$5,735
AustinCity0.5240%$3,365
Williamson CountyCounty0.3694%$2,372
Austin Community Collegespecial0.1034%$664
Williamson County FM/RdCounty0.0443%$285
Upper Brushy Creek WCIDWater0.0170%$109
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$12,530

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $327,818 would pay approximately $2,046 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