Serving San Ramon, CA · Contra Costa County

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

Free rewiring quote in San Ramon

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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.

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.

Rewiring in San Ramon, CA | Astral