Concord, CA Building Safety: Electrical Permits (2026)

Concord has adopted the California Electrical Code (Title 24, Part 3 of the California Code of Regulations), which is based on the National Electrical Code with California amendments. An electrical permit is required for most electrical installations, alterations, and additions, including: installing new branch circuits, extending existing circuits, upgrading or replacing the main service panel, adding or relocating sub-panels, installing EV charging equipment (Level 2 chargers commonly require a dedicated 240V circuit), interconnecting photovoltaic solar and battery storage systems (though AB 2188 requires expedited review), installing backup generators and transfer switches, wiring for new ADUs and room additions, pool and spa bonding/GFCI circuits, and any work in wet, damp, or hazardous locations. Minor like-for-like replacements - a switch for a switch, a receptacle for a receptacle, a ceiling light fixture for a ceiling light fixture - generally do not require a permit if no new wiring is installed, per California Building Code Appendix A and local practice. Permits are issued by the Concord Building Division and require submission of load calculations for service changes, single-line diagrams for solar and storage, and licensed electrician (C-10) information for most scopes - though homeowners may self-perform work on their own owner-occupied residence subject to an owner-builder declaration under Business & Professions Code 7044. Inspections are required at rough-in (before wall cover) and final. Energized work without permits or inspections can be ordered disconnected by the Concord Building Official; unpermitted work discovered at sale can require retroactive permits, inspections, and sometimes tear-out. Penalties include double fees for work started without a permit and administrative citations.