Williamson Value property tax analysis

2936 Castellan Ln, Round Rock, TX 78665

2 bathrooms, 2,364 sqft, built 2016, in R491507D - Paloma Lake Plantation, Grandhaven Appraised at $543,114 for 2026.

Williamson County account 311180

Appraised value
$543,114
Tax year 2026
Market value
$543,114
Living area
2,364 sqft
$230 per sqft
Year built
2016

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 +4.4% from $520,415 in 2025 to $543,114 in 2026.