Electrician services in Castro Valley: residential, commercial and 24/7 emergency electrical repairs and installations. Smart home wiring, lighting installation, panel upgrades, EV chargers and more in Castro Valley and Alameda County.
(833) 652-8933 Request a quote Emergency serviceLooking for the best electrician in Castro Valley? Phasethree Electric is the local electrical company Castro Valley homeowners and businesses trust for electrical repairs and installations, from emergency service at 2 a.m. to a planned 200 amp panel upgrade. Our residential and commercial electricians serve every neighborhood in Castro Valley and nearby San Lorenzo, Hayward, San Leandro, San Ramon.
Every service has its own Castro Valley page with local details. Tap a service to learn more or call (833) 652-8933 to talk to an electrician now.
100–200 amp panel upgrades & breaker box replacement
Learn moreHome rewiring, knob & tube and aluminum wiring replacement
Learn moreOutlets, GFCI, USB outlets, switches & dimmers
Learn moreHome electrical repair, troubleshooting & circuit breaker replacement
Learn moreOffice build-outs, workstation power & data
Learn moreSolar hookup, battery backup & energy storage
Learn moreKitchen electrical upgrades & bathroom electrical
Learn moreNew circuits for appliances, garages, HVAC & workshops
Learn moreHardwired smoke/CO detectors, doorbells & cameras
Learn moreNo power in the house, breaker keeps tripping, flickering lights or a sparking outlet? Our emergency electricians in Castro Valley respond around the clock. Call (833) 652-8933 any time, day or night.
Home electrical repair, electrical panel upgrades, whole house rewiring, EV charger installation, recessed lighting, ceiling fans, outlets and switches, generators and whole house surge protection for homes across Castro Valley.
Our commercial electricians in Castro Valley handle office electrical installation, retail and restaurant electrical, warehouse power, LED lighting retrofits, electrical maintenance and new construction with after-hours scheduling so your business never closes for electrical work.
Our Castro Valley electricians cover every neighborhood in the city and surrounding communities in Alameda County. Nearby areas we serve:
Phasethree Electric is rated 4.9 stars by California customers and serves Castro Valley with upfront pricing, same-day scheduling and 24/7 emergency electricians. Call (833) 652-8933.
Yes, 24 hours a day. Power outages, sparking outlets, tripped breakers and burning smells are handled the same day in Castro Valley and Alameda County.
Installation work is quoted at a fixed price after a free estimate. Troubleshooting has a flat diagnostic fee that is applied to the repair.
All of Castro Valley plus nearby San Lorenzo, Hayward, San Leandro, San Ramon, Union City and the rest of Alameda County.
Yes. Offices, retail, restaurants, warehouses and industrial facilities in Castro Valley rely on us for repairs, maintenance and build-outs.
“They rewired our 1948 house room by room and we never lost power overnight. Walls were patched cleaner than we expected.”
Tom & Linda R.“Hot tub circuit and disconnect installed and inspected in a week. Everything was labeled and explained.”
Carlos D.“Our restaurant lost power on a Friday night. They had the failed contactor replaced and the walk-in back up before we lost any product.”
Angela M.Upfront pricing · Same-day service · 24/7 emergency response