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15124 SUNNINGDALE ST, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,556 sqftBuilt 2002

Property at a Glance

This home is estimated between $1,041,861 and $1,250,990, with a best estimate of $1,128,409. That places the property above 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

$1,041,861 $1,250,990
Best Estimate
$1,128,409
WCAD Value
$1,236,730
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 $1,041,861 and $1,250,990. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15200 SUNNINGDALE ST, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,783 sqft Built 2003
Raw Value $1,325,917
Adjusted Value $1,219,859

Adjusted -$106,058 for 227 sqft less living space. Net adjustment: -$106,058.

15120 SUNNINGDALE ST, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,984 sqft Built 2003
Raw Value $1,241,829
Adjusted Value $1,041,861

Adjusted -$199,968 for 428 sqft less living space. Net adjustment: -$199,968.

10228 FOSSMOOR ST, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,547 sqft Built 2004
Raw Value $1,124,204
Adjusted Value $1,128,409

Adjusted +$4,205 for 9 sqft more living space. Net adjustment: +$4,205.

15208 SUNNINGDALE ST, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,506 sqft Built 2004
Raw Value $1,227,629
Adjusted Value $1,250,990

Adjusted +$23,361 for 50 sqft more living space. Net adjustment: +$23,361.

15116 SUNNINGDALE ST, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,843 sqft Built 2003
Raw Value $1,263,717
Adjusted Value $1,123,391

Adjusted -$134,091 for 287 sqft less living space and -$6,235 for no pool. Net adjustment: -$140,326.

The Neighborhood

This home is valued 10.2% 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
$1,236,730
Median
$1,122,350

This home is +10.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $26,529 across all districts. With a homestead exemption claimed, that drops to $23,483 — saving $3,046 per year. That's $1,957 per month a buyer should budget. The assessed value increased +15.2% vs the subdivision average of +11.4%. This above-average increase gives a protest opportunity score of 64 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$13,442
AustinCity0.5240%$6,481
Williamson CountyCounty0.3694%$4,569
Austin Community Collegespecial0.1034%$1,279
Williamson County FM/RdCounty0.0443%$548
Upper Brushy Creek WCIDWater0.0170%$210
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$26,529
64 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,128,409 would pay approximately $7,043 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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