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15637 INTERLACHEN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,033 sqftBuilt 2005

Property at a Glance

This home is estimated between $597,774 and $1,010,679, with a best estimate of $930,904. 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

$597,774 $1,010,679
Best Estimate
$930,904
WCAD Value
$663,237
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 $597,774 and $1,010,679. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15201 INTERLACHEN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 1,596 sqft Built 2007
Raw Value $806,506
Adjusted Value $1,010,679

Adjusted +$204,173 for 437 sqft more living space. Net adjustment: +$204,173.

15205 INTERLACHEN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,653 sqft Built 2003
Raw Value $809,499
Adjusted Value $987,041

Adjusted +$177,542 for 380 sqft more living space. Net adjustment: +$177,542.

15601 INTERLACHEN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,983 sqft Built 2005
Raw Value $907,543
Adjusted Value $930,904

Adjusted +$23,361 for 50 sqft more living space. Net adjustment: +$23,361.

15636 INTERLACHEN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,863 sqft Built 2010
Raw Value $632,766
Adjusted Value $712,192

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

15209 INTERLACHEN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,274 sqft Built 2004
Raw Value $710,373
Adjusted Value $597,774

Adjusted -$112,599 for 241 sqft less living space. Net adjustment: -$112,599.

The Neighborhood

This home is valued 40.9% 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
$663,237
Median
$1,122,350

This home is -40.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,606 across all districts. With a homestead exemption claimed, that drops to $10,360 — saving $2,246 per year. That's $863 per month a buyer should budget. The assessed value increased +22.6% vs the subdivision average of +11.4%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$6,387
AustinCity0.5240%$3,079
Williamson CountyCounty0.3694%$2,171
Austin Community Collegespecial0.1034%$608
Williamson County FM/RdCounty0.0443%$260
Upper Brushy Creek WCIDWater0.0170%$100
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$12,606
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $930,904 would pay approximately $5,811 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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