Relating to ensuring the credentials of persons working in regulated building activities.

Requires that a building permit must show a contractor's Construction Contractors Board license number if the contractor is known. Requires an inspector performing building code inspection as part of a building inspection program, or for the purpose of enforcing a municipal ordinance, to require that persons engaged in regulated building activity present evidence of compliance with applicable licensing, registration or certification requirements. Requires that a municipality ensure that a person issued a permit for work requiring a Construction Contractors Board license holds a Construction Contractors Board license.