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California Contractors State Licensing Board (CSLB)
Phone: 800-321-2752
California Contractors State Licensing Board Website
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California Building Standards Commission
Phone: 916-263-0916
California Building Standards Commission Website
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California Energy Commission
Phone: 916-654-4287
California Energy Commission Website
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California State Architects Board
Phone: 916-445-3394
Phone: 800-991-2223
California State Architects Board Website
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California Building Officials
Phone: 916-457-1103
California Building Officials Website
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International Code Council
Phone: 888-422-7233
International Code Council Website
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International Association of Plumbing & Mechanical Officials
Phone: 909-472-4100
International Association of Plumbing and Mechanical Officials Website
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National Fire Protection Association
Phone: 508-895-8300
National Fire Protection Association Website