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

15512 INTERLACHEN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,760 sqftBuilt 2006

Property at a Glance

This home is estimated between $709,499 and $1,003,717, with a best estimate of $869,204. 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

$709,499 $1,003,717
Best Estimate
$869,204
WCAD Value
$812,222
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 $709,499 and $1,003,717. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15516 INTERLACHEN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,630 sqft Built 2006
Raw Value $803,848
Adjusted Value $864,586

Adjusted +$60,738 for 130 sqft more living space. Net adjustment: +$60,738.

15508 INTERLACHEN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,168 sqft Built 2006
Raw Value $1,167,753
Adjusted Value $977,129

Adjusted -$190,624 for 408 sqft less living space. Net adjustment: -$190,624.

15504 INTERLACHEN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,696 sqft Built 2006
Raw Value $839,302
Adjusted Value $869,204

Adjusted +$29,902 for 64 sqft more living space. Net adjustment: +$29,902.

15520 INTERLACHEN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,353 sqft Built 2005
Raw Value $813,561
Adjusted Value $1,003,717

Adjusted +$190,156 for 407 sqft more living space. Net adjustment: +$190,156.

15529 INTERLACHEN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,938 sqft Built 2006
Raw Value $792,663
Adjusted Value $709,499

Adjusted -$83,164 for 178 sqft less living space. Net adjustment: -$83,164.

The Neighborhood

This home is valued 27.6% 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
$812,222
Median
$1,122,350

This home is -27.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $17,423 across all districts. With a homestead exemption claimed, that drops to $14,900 — saving $2,523 per year. That's $1,242 per month a buyer should budget. The assessed value increased +11.1% vs the subdivision average of +11.4%. This increase gives a protest opportunity score of 30 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$8,828
AustinCity0.5240%$4,256
Williamson CountyCounty0.3694%$3,001
Austin Community Collegespecial0.1034%$840
Williamson County FM/RdCounty0.0443%$360
Upper Brushy Creek WCIDWater0.0170%$138
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$17,423
30 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $869,204 would pay approximately $5,426 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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