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15100 SUNNINGDALE ST, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,138 sqftBuilt 2006

Property at a Glance

This home is estimated between $927,685 and $1,072,334, with a best estimate of $941,313. That places the property below the L572601A - Avery Estates & GOLF CLUB @ AVERY RANCH median of $1,122,350, in a neighborhood that appreciated 11.4% over the past year.

Estimated Value Range

$927,685 $1,072,334
Best Estimate
$941,313
WCAD Value
$1,149,463
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in L572601A - Avery Estates & GOLF CLUB @ AVERY RANCH, this home's estimated market value is between $927,685 and $1,072,334. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15104 SUNNINGDALE ST, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
5 bed 4 bath 2,626 sqft Built 2003
Raw Value $1,158,743
Adjusted Value $930,742

Adjusted -$228,001 for 488 sqft less living space. Net adjustment: -$228,001.

15108 SUNNINGDALE ST, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,458 sqft Built 2003
Raw Value $1,090,822
Adjusted Value $941,313

Adjusted -$149,509 for 320 sqft less living space. Net adjustment: -$149,509.

15101 SUNNINGDALE ST, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,576 sqft Built 2006
Raw Value $1,132,325
Adjusted Value $927,685

Adjusted -$204,640 for 438 sqft less living space. Net adjustment: -$204,640.

15112 SUNNINGDALE ST, AUSTIN, TX 78717
0.05 mi 100% similar Same subdivision
4 bed 3 bath 2,672 sqft Built 2004
Raw Value $1,206,944
Adjusted Value $957,451

Adjusted -$249,493 for 534 sqft less living space. Net adjustment: -$249,493.

15109 SUNNINGDALE ST, AUSTIN, TX 78717
0.05 mi 100% similar Same subdivision
4 bed 2 bath 2,034 sqft Built 2002
Raw Value $1,023,744
Adjusted Value $1,072,334

Adjusted +$48,590 for 104 sqft more living space. Net adjustment: +$48,590.

The Neighborhood

This home is valued 2.4% above the L572601A - Avery Estates & GOLF CLUB @ AVERY RANCH median of $1,122,350. With 146 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 11.4% over the past year.

L572601A - Avery Estates & GOLF CLUB @ AVERY RANCH

typical
146 Properties
$1,122,350 Median Value
+11.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$1,149,463
Median
$1,122,350

This home is +2.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $24,512 across all districts. With a homestead exemption claimed, that drops to $21,582 — saving $2,930 per year. That's $1,799 per month a buyer should budget. The assessed value increased +10.7% vs the subdivision average of +11.4%. This increase gives a protest opportunity score of 35 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$12,420
AustinCity0.5240%$5,988
Williamson CountyCounty0.3694%$4,222
Austin Community Collegespecial0.1034%$1,182
Williamson County FM/RdCounty0.0443%$507
Upper Brushy Creek WCIDWater0.0170%$194
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$24,512
35 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $941,313 would pay approximately $5,876 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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