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15221 FERNHILL DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,526 sqftBuilt 2006

Property at a Glance

This home is estimated between $649,071 and $1,013,803, with a best estimate of $897,864. 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

$649,071 $1,013,803
Best Estimate
$897,864
WCAD Value
$740,331
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 $649,071 and $1,013,803. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15217 FERNHILL DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,140 sqft Built 2006
Raw Value $793,767
Adjusted Value $929,310

Adjusted +$135,543 for 386 sqft more living space. Net adjustment: +$135,543.

15225 FERNHILL DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,400 sqft Built 2006
Raw Value $604,826
Adjusted Value $649,071

Adjusted +$44,245 for 126 sqft more living space. Net adjustment: +$44,245.

9816 MORGAN CREEK DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,111 sqft Built 2006
Raw Value $752,138
Adjusted Value $897,864

Adjusted +$145,726 for 415 sqft more living space. Net adjustment: +$145,726.

15229 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,656 sqft Built 2006
Raw Value $708,305
Adjusted Value $1,013,803

Adjusted +$305,498 for 870 sqft more living space. Net adjustment: +$305,498.

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 $684,762

Adjusted +$89,543 for 255 sqft more living space and +$1,393 for being newer. Net adjustment: +$90,936.

The Neighborhood

This home is valued 4.5% 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
$740,331
Median
$708,305

This home is +4.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,446 across all districts. With a homestead exemption claimed, that drops to $12,283 — saving $2,163 per year. That's $1,024 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%$6,612
AustinCity0.5240%$3,879
Williamson CountyCounty0.3694%$2,735
Austin Community Collegespecial0.1034%$766
Williamson County FM/RdCounty0.0443%$328
Upper Brushy Creek WCIDWater0.0170%$126
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,446

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $897,864 would pay approximately $5,604 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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