New builds, additions & ADU electrical in Grand Terrace, San Bernardino County. Local electricians, upfront pricing and fast scheduling.
(833) 652-8933 Request a quoteBuilders and homeowners in Grand Terrace need an electrical contractor who shows up when framing is ready and passes inspection the first time. Phasethree Electric provides new construction electrical for custom homes, ADUs, additions, tract work and small commercial buildings across Grand Terrace and San Bernardino County.
Temporary power, service and panel installation, complete branch circuit rough-in, low-voltage rough-in, fixture and device finish, testing and final inspection coordination with the City of Grand Terrace.
Accessory dwelling units need a sub panel or separate service, kitchen and bath circuits, heat pump circuits and Title 24 lighting. We have wired ADUs across San Bernardino County and know the local requirements.
We help you plan lighting layouts, EV-ready garages, solar-ready panels and structured wiring before drywall so upgrades later are simple. Also serving nearby Colton, Loma Linda, Riverside, Bryn Mawr. Call (833) 652-8933.
We provide new construction electrician throughout Grand Terrace and the surrounding communities of San Bernardino County.
Yes. Send plans and we return a detailed electrical bid, usually within a few days.
Yes, including sub panel feeds from the main house or a separate service where required.
Yes, we pull electrical permits and schedule all inspections.
“Quoted me a firm price for recessed lighting in the kitchen and living room and the invoice matched to the dollar. Lights look fantastic.”
James O.“Whole house surge protector installed in under an hour. Peace of mind after the last PSPS event fried our garage opener.”
Ellen T.“Installed a Generac standby generator for wildfire season. Explained every step and the load management so we could use a smaller unit.”
Chris B.Upfront pricing · Same-day service · 24/7 emergency response