Building Safety in Union City, CA (2026)
6 verified building safety rules for Union City, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Fire Sprinkler Requirements
Union City's locally amended 2025 California Fire Code requires an automatic sprinkler system in every Group R residential occupancy, including modular units.
Union City Residential Sprinkler Mandate
Heavy RestrictionsUnion City Municipal Code § 15.20.080
903.2 Where Required. Approved automatic sprinkler systems in new buildings and structures shall be provided in locations described in Sections 903.2.1 through 902.2.12 and Sections 903.2.14 through 903.2.21. ... 903.2.8 Group R. An automatic sprinkler system shall be installed in all Group R occupancies, including modular units. (Section 903.2.8.1 and 903.2.8.3 are deleted)
Green Building Code
Union City adopts the 2025 California Green Building Standards Code (CalGreen) by reference as its local Green Building Standards Code, applying the state's mandatory green-building requirements to construction, alteration, and repair of buildings citywide.
Union City Green Building Standards Code
Some RestrictionsUnion City Municipal Code § 15.84.010
The 2025 California Green Building Standards Code and State of California Amendments, published by the California Building Standards Commission, and all revisions and amendments heretofore and hereafter adopted by the California Building Standards Commission, are hereby adopted by reference as the Green Building Standards Code of the City of Union City, regulating the erection, installation, al...
Building Permits
Union City requires a permit for any building erected, altered, repaired, relocated, or added to under its adopted 2025 California Building Code.
Union City Building Permit Rules
Some RestrictionsUnion City Municipal Code § 15.40.010
The 2025 California Building Code (Based on the 2024 International Building Code) and State of California Amendments, published by the International Code Council, and all revisions and amendments heretofore and hereafter adopted by the International Code Council, are hereby adopted by reference as the Building Code of the City of Union City, regulating the erection, installation, alteration, re...
Electrical Permits
Union City adopts the 2025 California Electrical Code by reference, requiring a permit for any electrical system work performed within city limits.
Union City Electrical Permit Code
Some RestrictionsUnion City Municipal Code § 15.44.010
The California Electrical Code 2025 Edition, (Based on 2020 National Electrical Code), appendices thereto, including the General Code Provisions Article 89, for the National Electrical Code, published by the National Fire Protection Association, and all revisions and amendments heretofore and hereafter adopted by the National Fire Protection Association, are hereby adopted by reference as the E...
Plumbing Permits
Union City adopts the 2025 California Plumbing Code by reference, requiring a permit for plumbing system installation, alteration, or repair citywide.
Union City Plumbing Permit Code
Some RestrictionsUnion City Municipal Code § 15.48.010
The California Plumbing Code 2025 Edition, (Based on 2024 Uniform Plumbing Code), and Appendices A, B, and G, thereto, published by the International Association of Plumbing and Mechanical Officials, and all revisions and amendments heretofore and hereafter adopted by the International Association of Plumbing and Mechanical Officials, are hereby adopted by reference as the Plumbing Code of the ...
Building Inspections
Union City administers building permit inspections through its adopted Uniform Administrative Code, with disputed building official rulings decided by a City-appointed Board of Appeals.
Union City Building Inspection Code
Some RestrictionsUnion City Municipal Code § 15.36.010
The Uniform Administrative Code, 1997 Edition, and appendices thereto, published by the International Conference of Building Officials (ICBO), Whittier, California, is hereby adopted by reference as the Uniform Administrative Code of the City of Union City. B. One copy of said Code and appendices thereto has been filed for use and examination by the public in the office of the City Clerk of ...
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County ordinances apply to unincorporated areas and may supplement Union City city rules.
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