Travis Value property tax analysis

21718 Sierra Trl, Lago Vista, TX 78645

2 bathrooms, 1,836 sqft, built 1997, in Highland Lake Estates Sec 28 Amd Lts 28089A & 28088 Into Lt 28088A Appraised at $465,040 for 2026.

Travis County account 000000183246

Appraised value
$465,040
Tax year 2026
Market value
$465,040
Living area
1,836 sqft
$253 per sqft
Year built
1997
Homestead
Yes
Owner-occupied exemption on file

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 -9.5% from $513,878 in 2025 to $465,040 in 2026.