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

15320 FERNHILL DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,239 sqftBuilt 2006

Property at a Glance

This home is estimated between $266,903 and $668,320, with a best estimate of $593,665. 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

$266,903 $668,320
Best Estimate
$593,665
WCAD Value
$664,764
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 $266,903 and $668,320. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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.

15404 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,349 sqft Built 2006
Raw Value $632,291
Adjusted Value $593,665

Adjusted -$38,626 for 110 sqft less living space. Net adjustment: -$38,626.

15304 FERNHILL DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,648 sqft Built 2007
Raw Value $678,530
Adjusted Value $533,518

Adjusted -$143,619 for 409 sqft less living space and -$1,393 for being older. Net adjustment: -$145,012.

15612 BELFIN DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,112 sqft Built 2005
Raw Value $572,062
Adjusted Value $266,903

Adjusted -$306,552 for 873 sqft less living space and +$1,393 for being newer. Net adjustment: -$305,159.

15309 FERNHILL DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 1,239 sqft Built 2006
Raw Value $641,486
Adjusted Value $641,486

This comparable closely matches the subject property's features.

The Neighborhood

This home is valued 6.1% 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
$664,764
Median
$708,305

This home is -6.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,971 across all districts. With a homestead exemption claimed, that drops to $10,902 — saving $2,069 per year. That's $909 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%$5,937
AustinCity0.5240%$3,483
Williamson CountyCounty0.3694%$2,456
Austin Community Collegespecial0.1034%$687
Williamson County FM/RdCounty0.0443%$295
Upper Brushy Creek WCIDWater0.0170%$113
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$12,971

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $593,665 would pay approximately $3,706 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