Rewiring & Electrical Additions in San Ramon, CA
Whole-home rewires, remodel and addition wiring, and new dedicated circuits — code-compliant, clean, permitted and inspected. Ideal for older homes with cloth or aluminum wiring.
- Whole-home rewiring
- Knob-and-tube / aluminum wiring replacement
- Remodel & addition circuits
- Dedicated circuits (kitchen, garage, office)
- Permitted and inspected to current NEC
Licensed C-10 · CSLB #1114918 · Permitted & inspected
Certified & authorized installer







Rewiring & Electrical Additions in San Ramon — done right
Every job in San Ramon 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 Contra Costa County. No guesswork, no cutting corners.
Whole-home rewiring
Knob-and-tube / aluminum wiring replacement
Remodel & addition circuits
Dedicated circuits (kitchen, garage, office)
Permitted and inspected to current NEC
Your local rewiring team in Contra Costa 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. San Ramon homeowners get the same licensed, warrantied rewiring we'd put in our own home.
Rewiring & Electrical Additions nearby
Other electrical services in San Ramon
Not sure what your San Ramon 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.
rewiring in San Ramon — FAQ
Is old wiring in San Ramon homes dangerous?+
Knob-and-tube, cloth-insulated and aluminum branch wiring can be a fire and insurance risk. A licensed C-10 electrician can assess it and rewire safely, permitted and to code.
Can you rewire without tearing up the whole house?+
In most cases yes — we plan routes to minimize drywall damage and restore cleanly. We'll walk you through exactly what's involved before starting.
Rewiring & Electrical Additions in San Ramon?
Book your free assessment with a licensed C-10 electrician today.