Sign contractors in Auburn, CA

4 licenses with the C-45 classification list Auburn (Placer County) as their address with the state, 4 of them active. Active licenses with nothing flagged come first.

• ✓De Mink de SignsB · C-45 · #866557 Auburn · Placer County Active
• ✓Perry BuildersB · C-45 · #731569 Auburn · Placer County Active
• ✓Richard Sior Dba Sior Sign CompanyC-45 · #948427 Auburn · Placer County Active
• !Royal Signs & Graphics IncC-45 · #1123451 Auburn · Placer County Active Workers' comp suspension pending

Source: CSLB license file, Nov 8, 2026All trades in Auburn