Commercial & industrial electrical contractors in Rialto, San Bernardino County. Local electricians, upfront pricing and fast scheduling.
(833) 652-8933 Request a quoteBusinesses in Rialto 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 Rialto and across San Bernardino 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 Rialto 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 Rialto.
Machinery hookups, motor controls, VFDs, 480V distribution, warehouse high-bay LED retrofits, EV fleet charging and backup power. Also serving nearby Bloomington, San Bernardino, Colton, Fontana. Call (833) 652-8933.
We provide commercial electrician throughout Rialto and the surrounding communities of San Bernardino County.
Yes. Much of our commercial work in Rialto is scheduled nights and weekends to avoid disrupting customers.
Yes. We prepare load calculations and drawings and manage plan check and inspections for Rialto projects.
Yes, including hood and make-up air circuits, walk-in coolers, and dedicated equipment circuits.
“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.“Whole house surge protector installed in under an hour. Peace of mind after the last PSPS event fried our garage opener.”
Ellen T.Upfront pricing · Same-day service · 24/7 emergency response