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

15209 INTERLACHEN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,274 sqftBuilt 2004

Property at a Glance

This home is estimated between $716,606 and $1,099,639, with a best estimate of $1,056,565. 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

$716,606 $1,099,639
Best Estimate
$1,056,565
WCAD Value
$710,373
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 $716,606 and $1,099,639. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15205 INTERLACHEN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,653 sqft Built 2003
Raw Value $809,499
Adjusted Value $1,099,639

Adjusted +$290,140 for 621 sqft more living space. Net adjustment: +$290,140.

15309 INTERLACHEN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,794 sqft Built 2004
Raw Value $875,057
Adjusted Value $1,099,320

Adjusted +$224,263 for 480 sqft more living space. Net adjustment: +$224,263.

15305 INTERLACHEN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,813 sqft Built 2004
Raw Value $772,181
Adjusted Value $987,567

Adjusted +$215,386 for 461 sqft more living space. Net adjustment: +$215,386.

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 $1,056,565

Adjusted +$28,033 for 60 sqft more living space. Net adjustment: +$28,033.

15317 INTERLACHEN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,256 sqft Built 2004
Raw Value $708,196
Adjusted Value $716,606

Adjusted +$8,410 for 18 sqft more living space. Net adjustment: +$8,410.

The Neighborhood

This home is valued 36.7% 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
$710,373
Median
$1,122,350

This home is -36.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,886 across all districts. With a homestead exemption claimed, that drops to $12,509 — saving $2,377 per year. That's $1,042 per month a buyer should budget. The assessed value increased +22.8% 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%$7,543
AustinCity0.5240%$3,636
Williamson CountyCounty0.3694%$2,564
Austin Community Collegespecial0.1034%$718
Williamson County FM/RdCounty0.0443%$308
Upper Brushy Creek WCIDWater0.0170%$118
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$14,886
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 $1,056,565 would pay approximately $6,595 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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