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15309 FERNHILL DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,239 sqftBuilt 2006

Property at a Glance

This home is estimated between $492,222 and $668,320, with a best estimate of $528,106. 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

$492,222 $668,320
Best Estimate
$528,106
WCAD Value
$641,486
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 $492,222 and $668,320. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15305 FERNHILL DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,836 sqft Built 2006
Raw Value $737,741
Adjusted Value $528,106

Adjusted -$209,635 for 597 sqft less living space. Net adjustment: -$209,635.

15313 FERNHILL DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,864 sqft Built 2006
Raw Value $728,340
Adjusted Value $508,873

Adjusted -$219,467 for 625 sqft less living space. Net adjustment: -$219,467.

15321 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,909 sqft Built 2006
Raw Value $795,699
Adjusted Value $560,430

Adjusted -$235,269 for 670 sqft less living space. Net adjustment: -$235,269.

15308 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,353 sqft Built 2006
Raw Value $708,351
Adjusted Value $668,320

Adjusted -$40,031 for 114 sqft less living space. Net adjustment: -$40,031.

15300 FERNHILL DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 1,921 sqft Built 2006
Raw Value $731,704
Adjusted Value $492,222

Adjusted -$239,482 for 682 sqft less living space. Net adjustment: -$239,482.

The Neighborhood

This home is valued 9.4% 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
$641,486
Median
$708,305

This home is -9.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,517 across all districts. With a homestead exemption claimed, that drops to $10,476 — saving $2,041 per year. That's $873 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%$5,729
AustinCity0.5240%$3,361
Williamson CountyCounty0.3694%$2,370
Austin Community Collegespecial0.1034%$663
Williamson County FM/RdCounty0.0443%$284
Upper Brushy Creek WCIDWater0.0170%$109
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$12,517

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $528,106 would pay approximately $3,296 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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