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

15309 INTERLACHEN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath1,794 sqftBuilt 2004

Property at a Glance

This home is estimated between $486,110 and $1,059,221, with a best estimate of $763,304. 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

$486,110 $1,059,221
Best Estimate
$763,304
WCAD Value
$875,057
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 $486,110 and $1,059,221. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15305 INTERLACHEN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,813 sqft Built 2004
Raw Value $772,181
Adjusted Value $763,304

Adjusted -$8,877 for 19 sqft less living space. Net adjustment: -$8,877.

15313 INTERLACHEN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 2 bath 2,214 sqft Built 2004
Raw Value $1,028,532
Adjusted Value $832,302

Adjusted -$196,230 for 420 sqft less living space. Net adjustment: -$196,230.

15317 INTERLACHEN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,256 sqft Built 2004
Raw Value $708,196
Adjusted Value $492,343

Adjusted -$215,853 for 462 sqft less living space. Net adjustment: -$215,853.

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 $1,059,221

Adjusted +$205,574 for 440 sqft more living space. Net adjustment: +$205,574.

15209 INTERLACHEN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,274 sqft Built 2004
Raw Value $710,373
Adjusted Value $486,110

Adjusted -$224,263 for 480 sqft less living space. Net adjustment: -$224,263.

The Neighborhood

This home is valued 22.0% 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
$875,057
Median
$1,122,350

This home is -22.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $18,771 across all districts. With a homestead exemption claimed, that drops to $16,170 — saving $2,601 per year. That's $1,348 per month a buyer should budget. The assessed value increased +13.2% vs the subdivision average of +11.4%. This increase gives a protest opportunity score of 44 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$9,511
AustinCity0.5240%$4,585
Williamson CountyCounty0.3694%$3,233
Austin Community Collegespecial0.1034%$905
Williamson County FM/RdCounty0.0443%$388
Upper Brushy Creek WCIDWater0.0170%$149
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$18,771
44 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $763,304 would pay approximately $4,765 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.

View full property details