Williamson Value property tax analysis

8503 Hill Rock Dr, Round Rock, TX 78681

3 bed / 2 bath, 1,580 sqft, built 1992, in R222592G - Cat Hollow All Sections R4 Appraised at $373,767 for 2026.

Williamson County account 160453

Appraised value
$373,767
Tax year 2026
Market value
$373,767
Living area
1,580 sqft
$237 per sqft
Year built
1992

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 -11.3% from $421,588 in 2025 to $373,767 in 2026.