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15400 INTERLACHEN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath975 sqftBuilt 2008

Property at a Glance

This home is estimated between $241,629 and $794,715, with a best estimate of $724,451. 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

$241,629 $794,715
Best Estimate
$724,451
WCAD Value
$643,482
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 $241,629 and $794,715. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15404 INTERLACHEN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 947 sqft Built 2011
Raw Value $755,950
Adjusted Value $769,032

Adjusted +$13,082 for 28 sqft more living space. Net adjustment: +$13,082.

15501 INTERLACHEN DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,157 sqft Built 2007
Raw Value $809,484
Adjusted Value $724,451

Adjusted -$85,033 for 182 sqft less living space. Net adjustment: -$85,033.

15420 INTERLACHEN DR, AUSTIN, TX 78717
0.05 mi 100% similar Same subdivision
3 bed 2 bath 937 sqft Built 2011
Raw Value $776,961
Adjusted Value $794,715

Adjusted +$17,754 for 38 sqft more living space. Net adjustment: +$17,754.

15416 INTERLACHEN DR, AUSTIN, TX 78717
0.04 mi 99% similar Same subdivision
3 bed 2 bath 1,677 sqft Built 2004
Raw Value $595,349
Adjusted Value $267,364

Adjusted -$327,985 for 702 sqft less living space. Net adjustment: -$327,985.

15325 INTERLACHEN DR, AUSTIN, TX 78717
0.04 mi 98% similar Same subdivision
3 bed 2 bath 1,790 sqft Built 2004
Raw Value $622,409
Adjusted Value $241,629

Adjusted -$380,780 for 815 sqft less living space. Net adjustment: -$380,780.

The Neighborhood

This home is valued 42.7% 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
$643,482
Median
$1,122,350

This home is -42.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $19,550 across all districts. With a homestead exemption claimed, that drops to $15,985 — saving $3,565 per year. That's $1,332 per month a buyer should budget. The assessed value increased +20.0% vs the subdivision average of +11.4%. This above-average increase gives a protest opportunity score of 88 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$6,994
Round Rock ISDSchool0.8931%$5,747
AustinCity0.5240%$3,372
Williamson CountyCounty0.3694%$2,377
Austin Community Collegespecial0.1034%$665
Williamson County FM/RdCounty0.0443%$285
Upper Brushy Creek WCIDWater0.0170%$109
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax3.0382%$19,550
88 / 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 $724,451 would pay approximately $4,522 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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