New builds, additions & ADU electrical in Eureka, Humboldt County. Local electricians, upfront pricing and fast scheduling.
(833) 652-8933 Request a quoteBuilders and homeowners in Eureka 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 Eureka and Humboldt 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 Eureka.
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 Humboldt 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 Cutten, Samoa, Fields Landing, Arcata. Call (833) 652-8933.
We provide new construction electrician throughout Eureka and the surrounding communities of Humboldt 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.
“Tesla Wall Connector installed in the garage in a couple hours. Clean conduit run, app set up, and they showed me how to schedule off-peak charging.”
Samantha L.“Called at 11pm with sparks from a bathroom outlet. Someone was here within the hour and made it safe, then came back in the morning to finish.”
Priya S.“Smart switches finally work because they added neutrals at every box. Should have called them first instead of trying myself.”
Nina P.Upfront pricing · Same-day service · 24/7 emergency response