KNICKELBEIN BUILDERS operating as a sole owner is licensed in California under CSLB number 375620. The license was first issued in 1979, putting the business at 47 years on the active CSLB roster. It carries 20 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-2 Insulation and Acoustical Contractor, C-6 Cabinet, Millwork and Finish Carpentry Contractor, C-8 Concrete Contractor, C-9 Drywall Contractor, C-10 Electrical Contractor, C-20 HVAC Contractor, C-23 Ornamental Metal Contractor, C-29 Masonry Contractor, C-33 Painting and Decorating Contractor, C-35 Lathing and Plastering Contractor, C-36 Plumbing Contractor, C-51 Structural Steel Contractor, C-54 Ceramic and Mosaic Tile Contractor, C-61/D-6 Concrete-Related Services Contractor, C-61/D-16 Hardware, Locks and Safes Contractor, C-61/D-28 Doors, Gates and Activating Devices Contractor, C-61/D-62 Air and Water Balancing Contractor, and C-61/D-65 Weatherization and Energy Conservation Contractor. Records show an active surety bond on file with WESTERN SURETY COMPANY and active workers' compensation coverage from CLEAR SPRING PROPERTY AND CASUALTY COMPANY. The business is based in PASADENA, in Los Angeles County, California.