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Electrical Safety Inspection · California
An electrical safety inspection is a hands-on check of the panel, wiring, grounding, devices and protection by a licensed electrician. It is worth doing when you buy an older home, an insurer asks, after a flood or fire, or before a big electrical project.
Electrification, rooftop solar and EV adoption make panel upgrades common, and wildfire-season power shutoffs drive generator and battery hookups.
Across the Pacific, homes deal with mild coast, wildfire seasons inland, and wet winters in the Northwest. Permit offices, utilities and housing stock differ by city, which affects how electrical safety inspection is planned and scheduled. These local guides cover the California cities where we have written specific notes.
In Los Angeles, electrical inspections are often requested after an earthquake, before buying an older home, or before a big electrification project. After seismic activity it is worth having service masts, panel mounting and any visible cracking around the meter checked.
Utility: LADWP (city of Los Angeles)
San Diego's older homes in North Park, South Park, Kensington and Mission Hills include Craftsman bungalows and Spanish Revival houses from the 1910s to the 1930s, and many have knob-and-tube, ungrounded outlets or undocumented additions. An inspection is worth considering before buying, before adding solar or a battery, or when an insurer asks about older wiring.
Utility: SDG&E
Sacramento's older neighborhoods, from the Victorians of Midtown and Alkali Flat to the 1920s and 1930s homes of East Sacramento, Land Park and Curtis Park, often hide knob-and-tube, ungrounded outlets and additions done without permits. An inspection is worth considering before buying, before adding solar or a heat pump, or when an insurer asks about older wiring.
Utility: SMUD (publicly owned)
In San Francisco, electrical inspections are common before buying a Victorian or Edwardian building, after an earthquake, or before a major remodel. An electrician will look for knob-and-tube still in use, overloaded circuits, small services, ungrounded outlets and any work done without permits.
Utility: PG&E (lines and meters); CleanPowerSF for most customers' supply
San Jose's housing ranges from Victorians and bungalows in Naglee Park and the Rose Garden to the mid-century tract homes of Willow Glen and Cambrian, and each era brings typical inspection findings: knob-and-tube in the oldest homes, ungrounded outlets, small services, and aluminum branch wiring in some homes from the late 1960s and early 1970s. Many homeowners also want an inspection before adding solar, batteries or heat pumps.
Utility: PG&E (lines and meters); San José Clean Energy for most customers' supply
Fresno's Tower District and Fresno High neighborhoods hold many homes from the 1910s to the 1940s, and an inspection before buying commonly finds knob-and-tube, ungrounded outlets, small services and work done without permits. Mid-century homes across the city may have aluminum branch wiring or panels electricians suggest replacing.
Utility: PG&E
When buying an older home in Bakersfield, especially in Westchester or the neighborhoods around downtown, an electrical inspection can reveal original wiring, small panels, ungrounded outlets and work done without permits. Homes with rooftop solar should have the solar connection checked as well.
Utility: PG&E
Long Beach's older neighborhoods, including Bluff Park, Belmont Heights and the California Heights historic district, are full of Craftsman and Spanish Revival homes from the 1910s to the 1930s, and many still have knob-and-tube, ungrounded outlets or undocumented additions. Homes near the beach should also be checked for corrosion on outdoor equipment.
Utility: Southern California Edison
With the Hayward Fault running along the foot of the hills, Oakland homeowners often request electrical inspections after earthquakes, before buying, or as part of a seismic retrofit. An electrician will check that the panel is securely mounted, the service mast and meter base are intact, and wiring in the crawl space was not strained by foundation work.
Utility: PG&E (lines and meters); Ava Community Energy for most customers' supply
Before buying in Stockton's Magnolia Historic District or a mid-century home in Lincoln Village, an electrical inspection can reveal knob-and-tube, older Zinsco or Federal Pacific panels, ungrounded outlets and additions done without permits. Homes in low-lying areas behind Delta levees should be checked for past flood damage to panels and outlets.
Utility: PG&E
Before buying a West Anaheim tract home or a house in the Anaheim Colony, an inspection can reveal Zinsco or Federal Pacific panels, aluminum branch wiring, ungrounded outlets and garage conversions done without permits, which are common in older Orange County neighborhoods. Homes with rooftop solar should have the tie-in reviewed.
Utility: Anaheim Public Utilities (city-owned)
After the January 2025 Eaton Fire, many homes in Pasadena and neighboring Altadena that survived still had smoke, heat or ash damage to panels, meters and outdoor equipment, and electrical inspections were often needed before power was restored. Pre-purchase inspections of older craftsman homes look for knob-and-tube, ungrounded outlets and unpermitted additions.
Utility: Pasadena Water and Power (city-owned)
1. Panel and service
Panel condition, breaker sizing, grounding and bonding are checked.
2. Branch circuits and devices
A sample of outlets, switches and fixtures is tested.
3. Report
Findings are prioritized by safety.
Electricians set their own prices; local permit fees and utility requirements add to these factors.
Permits come from the city or county where the home is. For example: Los Angeles: In the City of Los Angeles, electrical permits are issued by LADBS. San Diego: Inside city limits, electrical permits come from the City of San Diego Development Services Department; other cities in the county and unincorporated areas have their own building departments. Sacramento: Inside city limits, electrical permits come from the City of Sacramento Community Development Department; unincorporated areas are permitted by Sacramento County, and suburbs such as Elk Grove run their own. San Francisco: Electrical permits in San Francisco are issued by the Department of Building Inspection (DBI), and work must be done by a California-licensed electrical contractor. San Jose: Electrical permits in San José come from the city's Planning, Building and Code Enforcement department; other cities in Santa Clara County run their own building departments. Fresno: Electrical permits in Fresno come from the city's Planning and Development Department; Clovis and unincorporated Fresno County issue their own. Bakersfield: Electrical permits inside city limits come from the City of Bakersfield's building division; unincorporated areas are permitted by Kern County. Long Beach: Long Beach is its own city with its own building department, and electrical permits come from Long Beach Development Services rather than the City or County of Los Angeles. Oakland: Electrical permits in Oakland come from the city's Planning and Building Department; California electrical contractors are licensed by the Contractors State License Board. Stockton: Electrical permits inside city limits come from the City of Stockton's Community Development Department; unincorporated San Joaquin County has its own. Anaheim: Electrical permits come from the City of Anaheim's building division. Pasadena: Pasadena has its own building department, and electrical permits come from the city's Planning and Community Development Department; Altadena is unincorporated and permitted by Los Angeles County.
Los Angeles: LADWP (city of Los Angeles). San Diego: SDG&E. Sacramento: SMUD (publicly owned). San Francisco: PG&E (lines and meters); CleanPowerSF for most customers' supply. San Jose: PG&E (lines and meters); San José Clean Energy for most customers' supply. Fresno: PG&E. Bakersfield: PG&E. Long Beach: Southern California Edison. Oakland: PG&E (lines and meters); Ava Community Energy for most customers' supply. Stockton: PG&E. Anaheim: Anaheim Public Utilities (city-owned). Pasadena: Pasadena Water and Power (city-owned).
Yes. A licensed electrician goes deeper into the panel and circuits than a general home inspection.
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