New builds, additions & ADU electrical in Signal Hill, Los Angeles County. Local electricians, upfront pricing and fast scheduling.
(833) 652-8933 Request a quoteBuilders and homeowners in Signal Hill 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 Signal Hill and Los Angeles 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 Signal Hill.
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 Los Angeles 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 Long Beach, Lakewood, Wilmington, Seal Beach. Call (833) 652-8933.
We provide new construction electrician throughout Signal Hill and the surrounding communities of Los Angeles 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.
“Installed a Generac standby generator for wildfire season. Explained every step and the load management so we could use a smaller unit.”
Chris B.“Got a 200 amp panel upgrade and an EV charger in one day. They handled the permit and the inspector passed it on the first visit.”
Derek W.“Had them do a full electrical inspection before we bought our house. The photo report saved us thousands in negotiations.”
Robert K.Upfront pricing · Same-day service · 24/7 emergency response