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15316 SUNNINGDALE ST, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

5 bed4 bath2,812 sqftBuilt 2001

Property at a Glance

This home is estimated between $1,161,631 and $1,371,472, with a best estimate of $1,341,721. 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

$1,161,631 $1,371,472
Best Estimate
$1,341,721
WCAD Value
$1,325,239
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 $1,161,631 and $1,371,472. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15312 SUNNINGDALE ST, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,569 sqft Built 2004
Raw Value $1,179,115
Adjusted Value $1,292,648

Adjusted +$113,533 for 243 sqft more living space. Net adjustment: +$113,533.

15320 SUNNINGDALE ST, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,846 sqft Built 2007
Raw Value $1,359,071
Adjusted Value $1,343,186

Adjusted -$15,885 for 34 sqft less living space. Net adjustment: -$15,885.

15308 SUNNINGDALE ST, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
5 bed 4 bath 3,064 sqft Built 2002
Raw Value $1,459,459
Adjusted Value $1,341,721

Adjusted -$117,738 for 252 sqft less living space. Net adjustment: -$117,738.

15317 SUNNINGDALE ST, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
5 bed 4 bath 3,117 sqft Built 2007
Raw Value $1,304,131
Adjusted Value $1,161,631

Adjusted -$142,500 for 305 sqft less living space. Net adjustment: -$142,500.

15304 SUNNINGDALE ST, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,621 sqft Built 2004
Raw Value $1,282,234
Adjusted Value $1,371,472

Adjusted +$89,238 for 191 sqft more living space. Net adjustment: +$89,238.

The Neighborhood

This home is valued 18.1% 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

above average
146 Properties
$1,122,350 Median Value
+11.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$1,325,239
Median
$1,122,350

This home is +18.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $28,428 across all districts. With a homestead exemption claimed, that drops to $25,272 — saving $3,156 per year. That's $2,106 per month a buyer should budget. The assessed value increased +11.2% 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%$14,404
AustinCity0.5240%$6,944
Williamson CountyCounty0.3694%$4,896
Austin Community Collegespecial0.1034%$1,370
Williamson County FM/RdCounty0.0443%$587
Upper Brushy Creek WCIDWater0.0170%$225
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$28,428
35 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,341,721 would pay approximately $8,375 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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