San Diego County, CA Building Safety: Electrical Permits (2026)
Key Facts
- Permit required
- Electrical wiring, device, or equipment work
- Adopted code
- 2023 NEC / 2025 CEC
- Issuing authority
- Planning & Development Services building official
- Exempt work
- Minor repairs, low-voltage under 25V/50W
- Applies to
- Unincorporated San Diego County only
Summary
Unincorporated San Diego County requires an electrical permit before altering, replacing, or installing wiring or equipment regulated under the county's adopted 2023 National Electrical Code, enforced by the Planning and Development Services building official.
Any owner or owner's authorized agent who intends to construct, enlarge, alter, repair, move, demolish, change the use or occupancy of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert or replace any electrical, gas, mechanical or plumbing system, the installation of which is regulated by this code, or to cause any such work to be performed, shall first make application to the building official and obtain the required permit.
(a) Except as provided in section 91.1.105.2, no person shall erect, construct, enlarge, alter, repair, maintain, move, improve, remove, convert or demolish a building or structure regulated by this chapter without a separate permit for each building or structure, issued by the building official. This section shall not be construed to require separate permits for a dwelling and auxiliary buildings or structures on the same property which are described in a building permit application, plot plan and other drawings.
(b) No person shall construct a residential driveway and no person shall cause or allow a residential driveway to be constructed on property owned or controlled by the person without having obtained a permit as provided in this chapter. A person shall not be required to obtain a separate permit for a residential driveway ancillary or accessory to the construction of a single family dwelling or duplex.
(c) No person shall do any grading, for which a grading permit is
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-141: Administrative: Current through Ord. No. 11007 (N.S.), effective 7-10-26 | Regulatory: Current through Ord. No. 11008 (N.S.), effective 7-24-26).
Full Breakdown
Before installing, altering, or replacing any electrical wiring, device, appliance, or equipment in unincorporated San Diego County, the owner or contractor must apply to the Planning and Development Services building official and obtain an electrical permit. The county enforces the 2023 National Electrical Code and 2025 California Electrical Code with local amendments under County Code Title 9, Division 3. Minor work is exempt: repairing a snap switch, replacing a fuse or lamp socket, connecting a portable appliance to an existing receptacle, and low-voltage signal wiring under 25 volts and 50 watts. Unpermitted electrical work is a code violation subject to enforcement action.
Violations & Fines
Working without a required electrical permit is enforced as a County Code violation; the building official can red-tag unpermitted wiring or require it opened for inspection or removed until permitted.
Frequently Asked Questions
Do I need a permit to replace a light fixture in unincorporated San Diego County?
What electrical code does San Diego County enforce?
Sources & Official References
Other rules in San Diego County
California rules heatmap·Compare San Diego County to another location·View the California building safety overview
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