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15120 SUNNINGDALE ST, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,984 sqftBuilt 2003

Property at a Glance

This home is estimated between $1,323,359 and $1,436,698, with a best estimate of $1,355,622. 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

$1,323,359 $1,436,698
Best Estimate
$1,355,622
WCAD Value
$1,241,829
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 $1,323,359 and $1,436,698. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15124 SUNNINGDALE ST, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,556 sqft Built 2002
Raw Value $1,236,730
Adjusted Value $1,436,698

Adjusted +$199,968 for 428 sqft more living space. Net adjustment: +$199,968.

15116 SUNNINGDALE ST, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,843 sqft Built 2003
Raw Value $1,263,717
Adjusted Value $1,323,359

Adjusted +$65,877 for 141 sqft more living space and -$6,235 for no pool. Net adjustment: +$59,642.

10213 SUNNINGDALE CV, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,672 sqft Built 2002
Raw Value $1,209,851
Adjusted Value $1,355,622

Adjusted +$145,771 for 312 sqft more living space. Net adjustment: +$145,771.

15200 SUNNINGDALE ST, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,783 sqft Built 2003
Raw Value $1,325,917
Adjusted Value $1,419,827

Adjusted +$93,910 for 201 sqft more living space. Net adjustment: +$93,910.

10228 FOSSMOOR ST, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,547 sqft Built 2004
Raw Value $1,124,204
Adjusted Value $1,328,377

Adjusted +$204,173 for 437 sqft more living space. Net adjustment: +$204,173.

The Neighborhood

This home is valued 10.6% 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
$1,241,829
Median
$1,122,350

This home is +10.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $25,728 across all districts. With a homestead exemption claimed, that drops to $22,728 — saving $3,000 per year. That's $1,894 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
Leander ISDSchool1.0869%$13,036
AustinCity0.5240%$6,285
Williamson CountyCounty0.3694%$4,431
Austin Community Collegespecial0.1034%$1,240
Williamson County FM/RdCounty0.0443%$532
Upper Brushy Creek WCIDWater0.0170%$204
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$25,728

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,355,622 would pay approximately $8,462 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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