Bidroom has 31 contractor license records for Diamond Bar, California (counted 2026-11-09). Of these, 8 are listed as active, 21 have an expired license on record, 8 show a bond on file, 8 show workers' comp on file. The most common license type is LA_Permit_Active (17). 1 look like property-owner or trust records rather than contracting businesses and are listed last.
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