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15308 SUNNINGDALE ST, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

5 bed4 bath3,064 sqftBuilt 2002

Property at a Glance

This home is estimated between $1,402,462 and $1,491,486, with a best estimate of $1,442,977. 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

$1,402,462 $1,491,486
Best Estimate
$1,442,977
WCAD Value
$1,459,459
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 $1,402,462 and $1,491,486. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15304 SUNNINGDALE ST, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,621 sqft Built 2004
Raw Value $1,282,234
Adjusted Value $1,489,210

Adjusted +$206,976 for 443 sqft more living space. Net adjustment: +$206,976.

15312 SUNNINGDALE ST, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,569 sqft Built 2004
Raw Value $1,179,115
Adjusted Value $1,410,386

Adjusted +$231,271 for 495 sqft more living space. Net adjustment: +$231,271.

15316 SUNNINGDALE ST, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
5 bed 4 bath 2,812 sqft Built 2001
Raw Value $1,325,239
Adjusted Value $1,442,977

Adjusted +$117,738 for 252 sqft more living space. Net adjustment: +$117,738.

15305 SUNNINGDALE ST, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,665 sqft Built 2004
Raw Value $1,216,043
Adjusted Value $1,402,462

Adjusted +$186,419 for 399 sqft more living space. Net adjustment: +$186,419.

15300 SUNNINGDALE ST, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,520 sqft Built 2003
Raw Value $1,237,321
Adjusted Value $1,491,486

Adjusted +$254,165 for 544 sqft more living space. Net adjustment: +$254,165.

The Neighborhood

This home is valued 30.0% 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
$1,459,459
Median
$1,122,350

This home is +30.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $29,512 across all districts. With a homestead exemption claimed, that drops to $26,294 — saving $3,218 per year. That's $2,191 per month a buyer should budget. The assessed value increased +12.3% vs the subdivision average of +11.4%. This increase gives a protest opportunity score of 40 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$14,954
AustinCity0.5240%$7,209
Williamson CountyCounty0.3694%$5,083
Austin Community Collegespecial0.1034%$1,423
Williamson County FM/RdCounty0.0443%$610
Upper Brushy Creek WCIDWater0.0170%$234
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$29,512
40 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,442,977 would pay approximately $9,007 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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