Licensed Roofing (C-39) contractors in Diamond Bar, CA

The California Contractors State License Board (CSLB) lists 4 Roofing (C-39) contractors in Diamond Bar, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

4 contractors

1. Imperium Roofing INC

   Diamond Bar, CA · CSLB #1141782 · as of June 27, 2026
   Active · clear
2. Park S Roofing USA

   Diamond Bar, CA · CSLB #1142782 · as of June 27, 2026
   Active · clear
3. Sunshine Roofing INC

   Diamond Bar, CA · CSLB #755126 · as of June 27, 2026
   Active · clear
4. The Hot Mopper

   Diamond Bar, CA · CSLB #978099 · as of June 27, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.