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15200 SUNNINGDALE ST, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,783 sqftBuilt 2003

Property at a Glance

This home is estimated between $1,147,919 and $1,357,047, with a best estimate of $1,234,467. 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

$1,147,919 $1,357,047
Best Estimate
$1,234,467
WCAD Value
$1,325,917
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 $1,147,919 and $1,357,047. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15208 SUNNINGDALE ST, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,506 sqft Built 2004
Raw Value $1,227,629
Adjusted Value $1,357,047

Adjusted +$129,418 for 277 sqft more living space. Net adjustment: +$129,418.

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 $1,342,788

Adjusted +$106,058 for 227 sqft more living space. Net adjustment: +$106,058.

10225 FOSSMOOR ST, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 4 bath 2,569 sqft Built 2005
Raw Value $1,124,698
Adjusted Value $1,224,682

Adjusted +$99,984 for 214 sqft more living space. Net adjustment: +$99,984.

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 $1,234,467

Adjusted +$110,263 for 236 sqft more living space. Net adjustment: +$110,263.

15120 SUNNINGDALE ST, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,984 sqft Built 2003
Raw Value $1,241,829
Adjusted Value $1,147,919

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

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
$1,325,917
Median
$1,122,350

This home is +18.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $28,442 across all districts. With a homestead exemption claimed, that drops to $25,286 — saving $3,156 per year. That's $2,107 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%$14,411
AustinCity0.5240%$6,948
Williamson CountyCounty0.3694%$4,899
Austin Community Collegespecial0.1034%$1,371
Williamson County FM/RdCounty0.0443%$588
Upper Brushy Creek WCIDWater0.0170%$225
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$28,442

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,234,467 would pay approximately $7,706 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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