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15309 SUNNINGDALE ST, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,368 sqftBuilt 2003

Property at a Glance

This home is estimated between $1,008,042 and $1,190,577, with a best estimate of $1,085,205. 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

$1,008,042 $1,190,577
Best Estimate
$1,085,205
WCAD Value
$1,061,570
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 $1,008,042 and $1,190,577. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15305 SUNNINGDALE ST, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,665 sqft Built 2004
Raw Value $1,216,043
Adjusted Value $1,077,280

Adjusted -$138,763 for 297 sqft less living space. Net adjustment: -$138,763.

15313 SUNNINGDALE ST, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,116 sqft Built 2004
Raw Value $1,052,969
Adjusted Value $1,170,707

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

15301 SUNNINGDALE ST, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,218 sqft Built 2003
Raw Value $1,120,495
Adjusted Value $1,190,577

Adjusted +$70,082 for 150 sqft more living space. Net adjustment: +$70,082.

10404 AVERY CLUB DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,930 sqft Built 2003
Raw Value $1,270,617
Adjusted Value $1,008,042

Adjusted -$262,575 for 562 sqft less living space. Net adjustment: -$262,575.

15312 SUNNINGDALE ST, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,569 sqft Built 2004
Raw Value $1,179,115
Adjusted Value $1,085,205

Adjusted -$93,910 for 201 sqft less living space. Net adjustment: -$93,910.

The Neighborhood

This home is valued 5.4% below the L572601A - Avery Estates & GOLF CLUB @ AVERY RANCH median of $1,122,350. That positions it competitively for buyers comparing within the neighborhood. 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
$1,061,570
Median
$1,122,350

This home is -5.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $21,924 across all districts. With a homestead exemption claimed, that drops to $19,143 — saving $2,781 per year. That's $1,595 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%$11,109
AustinCity0.5240%$5,356
Williamson CountyCounty0.3694%$3,776
Austin Community Collegespecial0.1034%$1,057
Williamson County FM/RdCounty0.0443%$453
Upper Brushy Creek WCIDWater0.0170%$174
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$21,924

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,085,205 would pay approximately $6,774 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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