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

15300 FERNHILL DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,921 sqftBuilt 2006

Property at a Glance

This home is estimated between $462,039 and $907,803, with a best estimate of $715,219. That places the property above the R251501D - Avery Ranch South median of $708,305, in a neighborhood that declined 3.8% over the past year.

Estimated Value Range

$462,039 $907,803
Best Estimate
$715,219
WCAD Value
$731,704
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 $462,039 and $907,803. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15304 FERNHILL DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,648 sqft Built 2007
Raw Value $678,530
Adjusted Value $773,000

Adjusted +$95,863 for 273 sqft more living space and -$1,393 for being older. Net adjustment: +$94,470.

15308 FERNHILL DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,353 sqft Built 2006
Raw Value $708,351
Adjusted Value $907,803

Adjusted +$199,452 for 568 sqft more living space. Net adjustment: +$199,452.

15620 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
5 bed 4 bath 2,187 sqft Built 2005
Raw Value $758,587
Adjusted Value $666,575

Adjusted -$93,405 for 266 sqft less living space and +$1,393 for being newer. Net adjustment: -$92,012.

15312 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,281 sqft Built 2006
Raw Value $588,452
Adjusted Value $462,039

Adjusted -$126,413 for 360 sqft less living space. Net adjustment: -$126,413.

15616 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,954 sqft Built 2005
Raw Value $725,414
Adjusted Value $715,219

Adjusted -$11,588 for 33 sqft less living space and +$1,393 for being newer. Net adjustment: -$10,195.

The Neighborhood

This home is valued 3.3% above the R251501D - Avery Ranch South median of $708,305. With 635 homes in the subdivision, the property sits in the upper tier. 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
$731,704
Median
$708,305

This home is +3.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,278 across all districts. With a homestead exemption claimed, that drops to $12,125 — saving $2,153 per year. That's $1,010 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%$6,535
AustinCity0.5240%$3,834
Williamson CountyCounty0.3694%$2,703
Austin Community Collegespecial0.1034%$757
Williamson County FM/RdCounty0.0443%$324
Upper Brushy Creek WCIDWater0.0170%$124
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,278

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $715,219 would pay approximately $4,464 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