Williamson Value property tax analysis

13920 Marathon Rd, Austin, TX 78717

2 bathrooms, 1,594 sqft, built 2011, in L591503E - Avery Ranch Far West Ph 1 Appraised at $438,490 for 2026.

Williamson County account 312559

Appraised value
$438,490
Tax year 2026
Market value
$438,490
Living area
1,594 sqft
$275 per sqft
Year built
2011

Why this page matters for a protest

A strong tax protest page needs the county value, property facts, and enough context to compare this home with similar properties nearby. This page gives homeowners a starting point before reviewing comparable homes and prior-year changes.

The county value changed -4.7% from $460,111 in 2025 to $438,490 in 2026.

Recent sale history

Recent transfers help establish whether the county value is tracking real market behavior.

  • $449,000 sale recorded on October-28-2025