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15217 FERNHILL DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,140 sqftBuilt 2006

Property at a Glance

This home is estimated between $513,528 and $1,053,027, with a best estimate of $604,788. 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

$513,528 $1,053,027
Best Estimate
$604,788
WCAD Value
$793,767
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 $513,528 and $1,053,027. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15221 FERNHILL DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,526 sqft Built 2006
Raw Value $740,331
Adjusted Value $604,788

Adjusted -$135,543 for 386 sqft less living space. Net adjustment: -$135,543.

15225 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,400 sqft Built 2006
Raw Value $604,826
Adjusted Value $513,528

Adjusted -$91,298 for 260 sqft less living space. Net adjustment: -$91,298.

9408 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,271 sqft Built 2005
Raw Value $593,826
Adjusted Value $549,219

Adjusted -$46,000 for 131 sqft less living space and +$1,393 for being newer. Net adjustment: -$44,607.

9400 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,816 sqft Built 2007
Raw Value $744,395
Adjusted Value $856,774

Adjusted +$113,772 for 324 sqft more living space and -$1,393 for being older. Net adjustment: +$112,379.

15208 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,321 sqft Built 2006
Raw Value $765,437
Adjusted Value $1,053,027

Adjusted +$287,590 for 819 sqft more living space. Net adjustment: +$287,590.

The Neighborhood

This home is valued 12.1% 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
$793,767
Median
$708,305

This home is +12.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,489 across all districts. With a homestead exemption claimed, that drops to $13,260 — saving $2,229 per year. That's $1,105 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%$7,089
AustinCity0.5240%$4,159
Williamson CountyCounty0.3694%$2,933
Austin Community Collegespecial0.1034%$821
Williamson County FM/RdCounty0.0443%$352
Upper Brushy Creek WCIDWater0.0170%$135
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$15,489

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $604,788 would pay approximately $3,775 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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