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

15205 INTERLACHEN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath1,653 sqftBuilt 2003

Property at a Glance

This home is estimated between $420,233 and $993,344, with a best estimate of $485,695. 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

$420,233 $993,344
Best Estimate
$485,695
WCAD Value
$809,499
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 $420,233 and $993,344. 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 $833,137

Adjusted +$26,631 for 57 sqft more living space. Net adjustment: +$26,631.

15209 INTERLACHEN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,274 sqft Built 2004
Raw Value $710,373
Adjusted Value $420,233

Adjusted -$290,140 for 621 sqft less living space. Net adjustment: -$290,140.

15637 INTERLACHEN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,033 sqft Built 2005
Raw Value $663,237
Adjusted Value $485,695

Adjusted -$177,542 for 380 sqft less living space. Net adjustment: -$177,542.

15213 INTERLACHEN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,354 sqft Built 2007
Raw Value $853,647
Adjusted Value $993,344

Adjusted +$139,697 for 299 sqft more living space. Net adjustment: +$139,697.

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 $426,466

Adjusted -$281,730 for 603 sqft less living space. Net adjustment: -$281,730.

The Neighborhood

This home is valued 27.9% 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
$809,499
Median
$1,122,350

This home is -27.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $17,365 across all districts. With a homestead exemption claimed, that drops to $14,845 — saving $2,520 per year. That's $1,237 per month a buyer should budget. The assessed value increased +13.8% vs the subdivision average of +11.4%. This above-average increase gives a protest opportunity score of 42 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$8,798
AustinCity0.5240%$4,242
Williamson CountyCounty0.3694%$2,991
Austin Community Collegespecial0.1034%$837
Williamson County FM/RdCounty0.0443%$359
Upper Brushy Creek WCIDWater0.0170%$138
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$17,365
42 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $485,695 would pay approximately $3,032 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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