Beta Williamson County, TX only — data and coverage are limited during early access.

15320 INTERLACHEN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,792 sqftBuilt 2006

Property at a Glance

This home is estimated between $503,201 and $1,024,893, with a best estimate of $831,367. 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

$503,201 $1,024,893
Best Estimate
$831,367
WCAD Value
$736,528
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 $503,201 and $1,024,893. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15316 INTERLACHEN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 3 bath 2,226 sqft Built 2006
Raw Value $705,972
Adjusted Value $503,201

Adjusted -$202,771 for 434 sqft less living space. Net adjustment: -$202,771.

15324 INTERLACHEN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,520 sqft Built 2006
Raw Value $897,811
Adjusted Value $1,024,893

Adjusted +$127,082 for 272 sqft more living space. Net adjustment: +$127,082.

15312 INTERLACHEN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,804 sqft Built 2006
Raw Value $745,859
Adjusted Value $740,252

Adjusted -$5,607 for 12 sqft less living space. Net adjustment: -$5,607.

15313 INTERLACHEN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,214 sqft Built 2004
Raw Value $1,028,532
Adjusted Value $831,367

Adjusted -$197,165 for 422 sqft less living space. Net adjustment: -$197,165.

15321 INTERLACHEN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,653 sqft Built 2004
Raw Value $797,771
Adjusted Value $862,714

Adjusted +$64,943 for 139 sqft more living space. Net adjustment: +$64,943.

The Neighborhood

This home is valued 34.4% 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

below average
146 Properties
$1,122,350 Median Value
+11.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$736,528
Median
$1,122,350

This home is -34.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $22,024 across all districts. With a homestead exemption claimed, that drops to $18,358 — saving $3,666 per year. That's $1,530 per month a buyer should budget. The assessed value increased +11.8% vs the subdivision average of +11.4%. This increase gives a protest opportunity score of 32 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$7,879
Round Rock ISDSchool0.8931%$6,474
AustinCity0.5240%$3,799
Williamson CountyCounty0.3694%$2,678
Austin Community Collegespecial0.1034%$750
Williamson County FM/RdCounty0.0443%$321
Upper Brushy Creek WCIDWater0.0170%$123
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax3.0382%$22,024
32 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $831,367 would pay approximately $5,189 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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