Commercial & industrial electrical contractors in Fairfax, Marin County. Local electricians, upfront pricing and fast scheduling.
(833) 652-8933 Request a quoteBusinesses in Fairfax cannot afford electrical downtime. Phasethree Electric is a commercial electrical contractor serving offices, retail stores, restaurants, warehouses, medical suites, schools and light industrial facilities in Fairfax and across Marin County with responsive repair, scheduled maintenance, tenant improvements and new construction electrical.
Tripping breakers on equipment circuits, lighting outages, failed contactors, parking lot lighting, sign circuits and emergency lighting tests. Maintenance agreements give Fairfax businesses priority scheduling and after-hours work so you never close for electrical issues.
Design-build electrical for build-outs, panel and service upgrades, 3-phase distribution, dedicated equipment circuits, data and low-voltage rough-in, exit and emergency lighting and final inspection coordination with the City of Fairfax.
Machinery hookups, motor controls, VFDs, 480V distribution, warehouse high-bay LED retrofits, EV fleet charging and backup power. Also serving nearby San Anselmo, Woodacre, Ross, Kentfield. Call (833) 652-8933.
We provide commercial electrician throughout Fairfax and the surrounding communities of Marin County.
Yes. Much of our commercial work in Fairfax is scheduled nights and weekends to avoid disrupting customers.
Yes. We prepare load calculations and drawings and manage plan check and inspections for Fairfax projects.
Yes, including hood and make-up air circuits, walk-in coolers, and dedicated equipment circuits.
“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.“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.Upfront pricing · Same-day service · 24/7 emergency response