Electrical Panel Upgrades in Long Beach, CA
Electrical Panel Upgrades is an essential commercial electrical service. Licensed, certified contractors handle inspection, repair, installation, and maintenance of your electrical system — protecting building operations and keeping you compliant. Proper workmanship and detailing are what make the work last and stay under warranty.
Top Electrical Panel Upgrades Contractors in Long Beach
Listings updated June 2026
ARIA 4 Electrical & Construction
Long Beach, CA
ARIA 4 Electrical & Construction serves commercial properties across Long Beach & Orange County with panel, power distri...
Orange County Data Center
Long Beach, CA
Orange County Data Center provides commercial electrical services in Long Beach, CA, specializing in critical power dist...
Industrial High Voltage
Long Beach, CA
Industrial High Voltage is a certified high-voltage electrical subcontractor in Long Beach, CA serving industrial, gover...
Pro Line Electrical Contractors Inc.
Long Beach, CA
Pro Line Electrical Contractors Inc. provides 24/7 commercial & industrial electrical services in Long Beach, CA — panel...
Alcoa Electrical
Long Beach, CA
Alcoa Electrical Contractors — Long Beach, CA commercial electrician specializing in tenant improvement, panel replaceme...
Express Power Services
Long Beach, CA
Express Power Services – Long Beach, CA: 24/7 commercial electrical contractor for panel upgrades, EV charging, and elec...
Carter Industrial Automation
Long Beach, CA
Long Beach C-10 contractor specializing in industrial automation, UL-508A panel fabrication, and controls integration fo...
Data Specialties Inc.
Long Beach, CA
Data Specialties Inc. — Long Beach, CA — designs & builds mission-critical data centers with UPS, backup generators, pow...
RJB Electrical Contractor LLC
Long Beach, CA
C10-licensed commercial electrician in Long Beach/Signal Hill, CA. Panels, 3-phase, EV charging, lighting, tenant improv...
Commercial Electric Systems
Long Beach, CA
Commercial Electric Systems — Anaheim, CA — licensed commercial & industrial electrician serving LA, Orange, Riverside &...
CZ Electric Licensed Electrical Contractor
Long Beach, CA
CZ Electric | Orange County, CA commercial electrician — 3-phase wiring, panel upgrades, LED retrofits, and 1,500+ EV ch...
Aecero Colocation Data Center
Long Beach, CA
Aecero operates a 110,000 sq ft redundant colocation data center in Long Beach, CA, delivering carrier-neutral network a...
JEC Electric | Commercial & EV Charger Electrician Orange County
Long Beach, CA
JEC Electric — Orange County & Long Beach commercial electrician since 1981. Three-phase, panels, EV charging, lighting...
Berk's Electrical & Lighting
Long Beach, CA
Berk's Electrical & Lighting — Long Beach/OC commercial electrician since 1974. Three-phase hookups, LED retrofits, EVSE...
GM Electric Tech
Long Beach, CA
GM Electric Tech offers 24/7 industrial & commercial electrical contracting in Long Beach, CA — power distribution, auto...
Csquare Los Angeles Data Center (Irvine 1)
Long Beach, CA
Csquare Los Angeles (Irvine 1) delivers mission-critical colocation with redundant power distribution, high-density cool...
Delta Wye Electric
Long Beach, CA
Delta Wye Electric in Anaheim serves Long Beach industrial & manufacturing facilities with turnkey electrical constructi...
SMS Data Center - Colocation Orange County & Los Angeles County
Long Beach, CA
SMS Data Center offers colocation services across Orange County & LA County from Long Beach, CA — supporting mission-cri...
Csquare Los Angeles Data Center (Irvine 5)
Long Beach, CA
Csquare Irvine 5 delivers colocation, redundant power distribution, UPS, and backup generator infrastructure for LA-area...
JAS Electrical Contractors
Long Beach, CA
JAS Electrical offers 24/7 commercial electrical services in Long Beach & Orange County — LED retrofits, panel upgrades,...
What to Expect from Electrical Panel Upgrades
Initial consultation and site assessment
Leak-source diagnosis (not just the visible interior stain)
Written proposal with detailed scope of work
Repair matched to your existing system to protect the warranty
Final walkthrough and documentation
Electrical Panel Upgrades Pricing in Long Beach
Pricing varies by contractor and project scope
Request quotes from multiple contractors to compare pricing. Factors that affect cost include system size, building type, equipment brand, warranty terms, and urgency. Always ask for an itemized written estimate before authorizing work.
Get free quotes from Long Beach contractorsRelated Installation Services in Long Beach
Frequently Asked Questions — Electrical Panel Upgrades in Long Beach
How much does electrical panel upgrades cost in Long Beach, CA?
Electrical Panel Upgrades costs in Long Beach vary based on system size, building type, and scope. Request quotes from multiple contractors through My Electrical Tech to compare pricing. Always ask for itemized written estimates before authorizing any work.
How do I choose the best electrical panel upgrades contractor in Long Beach?
Look for contractors with specific experience in commercial electrical (not just residential). Verify their state license, insurance, and bonding, and confirm they're certified and experienced with your electrical system. Check reviews from similar commercial properties. Ask about their workmanship warranty and their typical response time for follow-up issues.
How long does electrical panel upgrades typically take?
The timeline depends on the size and complexity of your electrical system and the scope of work. Simple repairs often complete in a few hours. Larger installations and replacements may take several days to a few weeks. Emergency service typically stabilizes the problem within hours even when the permanent fix requires returning with materials.
Is electrical panel upgrades covered by building insurance?
Generally, sudden storm or accidental damage may be covered by commercial property insurance, while gradual wear and deferred-maintenance issues are not. Contact your insurance provider and ask specifically about coverage for your electrical system. A documented inspection report strengthens any claim you file.