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

15304 INTERLACHEN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,715 sqftBuilt 2005

Property at a Glance

This home is estimated between $467,225 and $1,066,341, with a best estimate of $726,394. 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

$467,225 $1,066,341
Best Estimate
$726,394
WCAD Value
$789,172
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 $467,225 and $1,066,341. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15300 INTERLACHEN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,403 sqft Built 2004
Raw Value $847,818
Adjusted Value $993,589

Adjusted +$145,771 for 312 sqft more living space. Net adjustment: +$145,771.

15312 INTERLACHEN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,804 sqft Built 2006
Raw Value $745,859
Adjusted Value $704,277

Adjusted -$41,582 for 89 sqft less living space. Net adjustment: -$41,582.

15301 INTERLACHEN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,114 sqft Built 2007
Raw Value $785,545
Adjusted Value $1,066,341

Adjusted +$280,796 for 601 sqft more living space. Net adjustment: +$280,796.

15305 INTERLACHEN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,813 sqft Built 2004
Raw Value $772,181
Adjusted Value $726,394

Adjusted -$45,787 for 98 sqft less living space. Net adjustment: -$45,787.

15316 INTERLACHEN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 3 bath 2,226 sqft Built 2006
Raw Value $705,972
Adjusted Value $467,225

Adjusted -$238,747 for 511 sqft less living space. Net adjustment: -$238,747.

The Neighborhood

This home is valued 29.7% 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
$789,172
Median
$1,122,350

This home is -29.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $20,915 across all districts. With a homestead exemption claimed, that drops to $17,294 — saving $3,621 per year. That's $1,441 per month a buyer should budget. The assessed value increased +16.6% vs the subdivision average of +11.4%. This above-average increase gives a protest opportunity score of 71 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$7,482
Round Rock ISDSchool0.8931%$6,148
AustinCity0.5240%$3,607
Williamson CountyCounty0.3694%$2,543
Austin Community Collegespecial0.1034%$712
Williamson County FM/RdCounty0.0443%$305
Upper Brushy Creek WCIDWater0.0170%$117
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax3.0382%$20,915
71 / 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 $726,394 would pay approximately $4,534 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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