The County of San Mateo Building Code provides uniform administration and enforcement of the International Building Code, Uniform Housing Code, Uniform Dwelling Construction Code, Uniform Code for Abatement of Dangerous Buildings, Uniform Building Security Code, Uniform Sign Code, Uniform Plumbing Code, Uniform Swimming Pool-Spa and Hot Tub Code, National Electrical Code, and supplements and appendices thereto, hereinafter referred to jointly as the “Construction Codes,” and shall be applicable in the unincorporated areas of San Mateo County.