Williamson Value property tax analysis

4910 Herculaneum Ln, Round Rock, TX 78665

3 bed / 2 bath, 2,040 sqft, built 2025, in H123421C - Salerno Appraised at $371,955 for 2026.

Williamson County account 484654

Appraised value
$371,955
Tax year 2026
Market value
$371,955
Living area
2,040 sqft
$182 per sqft
Year built
2025

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 +313.3% from $90,000 in 2025 to $371,955 in 2026.