Serving Livermore, CA · Alameda County

Electrical Panel Upgrade & 200A Service in Livermore, CA

Replace an obsolete Zinsco or Federal Pacific panel, fix an overloaded 100A service, and get solar- and EV-ready with a modern 200A panel — sized by a real NEC load calculation, permitted and inspected.

100A → 200A+ service upgrades
Obsolete Zinsco / Federal Pacific replacement
Sized by a real NEC Article 220 load calc
Permitted with your city & utility, inspected
Solar- and EV-ready for what's next

Get my free assessment →Call (424) 206-6938

Licensed C-10 · CSLB #1114918 · Permitted & inspected

Certified & authorized installer

Electrical Panel Upgrade & 200A Service in Livermore — done right

Every job in Livermore starts with a free assessment and your home's Electrical Score, is sized by a real NEC load calculation, and is permitted and inspected in Alameda County. No guesswork, no cutting corners.

100A → 200A+ service upgrades

Obsolete Zinsco / Federal Pacific replacement

Sized by a real NEC Article 220 load calc

Permitted with your city & utility, inspected

Solar- and EV-ready for what's next

Your local panel upgrade team in Alameda County

Astral is a licensed C-10 electrical contractor. We know the local building departments and utilities, pull every permit, and stand behind the work. Livermore homeowners get the same licensed, warrantied panel upgrade we'd put in our own home.

Electrical Panel Upgrade & 200A Service nearby

panel upgrade in Pleasanton →panel upgrade in Dublin →panel upgrade in Tracy →

Other electrical services in Livermore

EV Charger Installation Solar & Battery Storage Generator & Backup Power Rewiring & Electrical Additions 24/7 Emergency Electrician

Not sure what your Livermore home needs?

Start with your home's Electrical Score — a licensed C-10 electrician grades your panel, service and wiring 0–100 for safety and capacity. Know before you buy an EV, add solar, or sell.

Get my Electrical Score — $37 See rebates I may qualify for →

panel upgrade in Livermore — FAQ

How do I know if I need a panel upgrade in Livermore?+

Common signs: an obsolete Zinsco or Federal Pacific panel, a 100A service, breakers that trip often, or plans to add an EV charger, solar or a heat pump. A licensed C-10 electrician confirms it with an NEC load calculation.

Do you pull the permit with Alameda County?+

Always. Every panel upgrade is permitted with your local building department and utility, brought up to current NEC code, and passes inspection — protecting your home and its resale value.