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15209 SUNNINGDALE ST, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

5 bed4 bath2,648 sqftBuilt 2001

Property at a Glance

This home is estimated between $879,641 and $1,244,067, with a best estimate of $1,215,326. 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

$879,641 $1,244,067
Best Estimate
$1,215,326
WCAD Value
$1,169,245
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 $879,641 and $1,244,067. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15213 SUNNINGDALE ST, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
5 bed 4 bath 3,205 sqft Built 2005
Raw Value $1,139,880
Adjusted Value $879,641

Adjusted -$260,239 for 557 sqft less living space. Net adjustment: -$260,239.

10225 FOSSMOOR ST, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 4 bath 2,569 sqft Built 2005
Raw Value $1,124,698
Adjusted Value $1,161,608

Adjusted +$36,910 for 79 sqft more living space. Net adjustment: +$36,910.

10221 FOSSMOOR ST, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,591 sqft Built 2004
Raw Value $1,217,436
Adjusted Value $1,244,067

Adjusted +$26,631 for 57 sqft more living space. Net adjustment: +$26,631.

15212 SUNNINGDALE ST, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
5 bed 4 bath 3,160 sqft Built 2003
Raw Value $1,461,503
Adjusted Value $1,222,289

Adjusted -$239,214 for 512 sqft less living space. Net adjustment: -$239,214.

10204 COTTESMORE CT, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,478 sqft Built 2002
Raw Value $1,135,900
Adjusted Value $1,215,326

Adjusted +$79,426 for 170 sqft more living space. Net adjustment: +$79,426.

The Neighborhood

This home is valued 4.2% 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
$1,169,245
Median
$1,122,350

This home is +4.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $23,618 across all districts. With a homestead exemption claimed, that drops to $20,739 — saving $2,879 per year. That's $1,728 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%$11,967
AustinCity0.5240%$5,770
Williamson CountyCounty0.3694%$4,068
Austin Community Collegespecial0.1034%$1,138
Williamson County FM/RdCounty0.0443%$488
Upper Brushy Creek WCIDWater0.0170%$187
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$23,618

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,215,326 would pay approximately $7,586 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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