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15428 INTERLACHEN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,821 sqftBuilt 2006

Property at a Glance

This home is estimated between $662,628 and $1,005,630, with a best estimate of $840,722. 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

$662,628 $1,005,630
Best Estimate
$840,722
WCAD Value
$727,670
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 $662,628 and $1,005,630. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $897,704

Adjusted +$58,402 for 125 sqft more living space. Net adjustment: +$58,402.

15508 INTERLACHEN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,168 sqft Built 2006
Raw Value $1,167,753
Adjusted Value $1,005,630

Adjusted -$162,123 for 347 sqft less living space. Net adjustment: -$162,123.

15416 INTERLACHEN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,677 sqft Built 2004
Raw Value $595,349
Adjusted Value $662,628

Adjusted +$67,279 for 144 sqft more living space. Net adjustment: +$67,279.

15512 INTERLACHEN DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 1,760 sqft Built 2006
Raw Value $812,222
Adjusted Value $840,722

Adjusted +$28,500 for 61 sqft more living space. Net adjustment: +$28,500.

15529 INTERLACHEN DR, AUSTIN, TX 78717
0.05 mi 100% similar Same subdivision
4 bed 3 bath 1,938 sqft Built 2006
Raw Value $792,663
Adjusted Value $737,999

Adjusted -$54,664 for 117 sqft less living space. Net adjustment: -$54,664.

The Neighborhood

This home is valued 35.2% 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
$727,670
Median
$1,122,350

This home is -35.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $13,814 across all districts. With a homestead exemption claimed, that drops to $11,691 — saving $2,123 per year. That's $974 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
Round Rock ISDSchool0.8931%$6,323
AustinCity0.5240%$3,710
Williamson CountyCounty0.3694%$2,616
Austin Community Collegespecial0.1034%$732
Williamson County FM/RdCounty0.0443%$314
Upper Brushy Creek WCIDWater0.0170%$120
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$13,814

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $840,722 would pay approximately $5,248 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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