Commercial & industrial electrical contractors in Atherton, San Mateo County. Local electricians, upfront pricing and fast scheduling.
(833) 652-8933 Request a quoteBusinesses in Atherton 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 Atherton and across San Mateo 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 Atherton 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 Atherton.
Machinery hookups, motor controls, VFDs, 480V distribution, warehouse high-bay LED retrofits, EV fleet charging and backup power. Also serving nearby Menlo Park, Redwood City, Palo Alto, Stanford. Call (833) 652-8933.
We provide commercial electrician throughout Atherton and the surrounding communities of San Mateo County.
Yes. Much of our commercial work in Atherton is scheduled nights and weekends to avoid disrupting customers.
Yes. We prepare load calculations and drawings and manage plan check and inspections for Atherton projects.
Yes, including hood and make-up air circuits, walk-in coolers, and dedicated equipment circuits.
“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.“Our breaker kept tripping every evening. The electrician found a bad neutral in about twenty minutes and had it fixed before dinner. Fair price, no upsell.”
Maria G.“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.Upfront pricing · Same-day service · 24/7 emergency response