Electricians in California — ZIP code directory

1209 ZIP codes indexed across 55 counties. Heat waves, wildfire-related outages, and EV adoption make panels, generators, and charger circuits frequent topics. EIA's 2024 table puts the state residential average at 31.97 cents/kWh, 15.49 cents above the national average of 16.48 cents/kWh. Rates affect operating cost, not the decision to call. Pick your county below, then your ZIP, for local notes written for homeowners.

Electrical outlet and switch

Browse by county

Los Angeles County 268 ZIPs

Orange County 84 ZIPs

San Diego County 84 ZIPs

Riverside County 63 ZIPs

San Bernardino County 55 ZIPs

Santa Clara County 54 ZIPs

Alameda County 46 ZIPs

Sacramento County 45 ZIPs

Fresno County 37 ZIPs

Contra Costa County 35 ZIPs

San Joaquin County 27 ZIPs

City and County of San Francisco County 25 ZIPs

Kern County 25 ZIPs

San Mateo County 24 ZIPs

Ventura County 23 ZIPs

Tulare County 20 ZIPs

Sonoma County 19 ZIPs

Stanislaus County 19 ZIPs

Monterey County 18 ZIPs

Santa Barbara County 18 ZIPs

San Luis Obispo County 16 ZIPs

Placer County 15 ZIPs

El Dorado County 13 ZIPs

Marin County 13 ZIPs

Merced County 13 ZIPs

Santa Cruz County 12 ZIPs

Solano County 12 ZIPs

Butte County 10 ZIPs

Shasta County 9 ZIPs

Yolo County 8 ZIPs

Humboldt County 7 ZIPs

Imperial County 7 ZIPs

Lake County 7 ZIPs

Napa County 7 ZIPs

Amador County 6 ZIPs

Calaveras County 6 ZIPs

Madera County 6 ZIPs

Mendocino County 6 ZIPs

Kings County 5 ZIPs

Nevada County 5 ZIPs

Tuolumne County 5 ZIPs

Siskiyou County 4 ZIPs

Sutter County 4 ZIPs

Tehama County 4 ZIPs

Colusa County 3 ZIPs

Lassen County 3 ZIPs

Yuba County 3 ZIPs

Glenn County 2 ZIPs

Plumas County 2 ZIPs

San Benito County 2 ZIPs

Del Norte County 1 ZIPs

Inyo County 1 ZIPs

Mariposa County 1 ZIPs

Modoc County 1 ZIPs

Mono County 1 ZIPs

Services covered statewide

Panel upgrade

Assessment of load center capacity (commonly 100A vs 200A), breaker space, and labeling for added HVAC, EV, or remodel loads.

Read the panel upgrade guide

Wiring and rewiring

Branch circuits, aluminum-to-copper remediation topics, grounding and bonding, and bringing older runs up to current practice.

Read the wiring and rewiring guide

Indoor and outdoor lighting

Recessed, landscape, and security lighting layouts, switching, dimming compatibility, and wet-rated fixtures.

Read the indoor and outdoor lighting guide

Whole-home generators

Transfer-switch types, load prioritization, fuel choices, and placement and noise considerations.

Read the whole-home generators guide

EV charger circuits

Dedicated 240V circuits, load calculations before adding Level 2 charging, and panel-space planning.

Read the ev charger circuits guide

Electrical inspections

Pre-purchase and safety inspections: devices, GFCIs/AFCIs where required, panel condition, and documentation.

Read the electrical inspections guide

Questions about a project in your ZIP?Call (833) 205-2548