Cost guide · Bay Area / Central Valley

How much does whole-house rewiring cost?

Rewiring is priced by home size, access, and how much has to open up. Here's the honest range in our area — and why the number swings so much.

We're Astral — a licensed C-10 electrical contractor (CSLB #1114918). Honest ranges, permit included, your exact number from a free assessment.

Typical cost in our area

Most whole-house rewires in our area land between $18,000 and $35,000 depending on size and access — almost always with a panel upgrade.

What you're gettingTypical range
Partial rewire / knob-and-tube removal (targeted)$8,000 – $18,000
Whole-house rewire — ~1,000–1,500 sq ft$14,000 – $25,000
Whole-house rewire — ~2,000–3,000 sq ft$22,000 – $40,000+
Usually paired with a panel upgradeadd $6,500 – $9,500

These are typical ranges for our service area, not a quote. Every home is different — the real number comes from a free on-site assessment and a NEC load calculation by a licensed C-10. We never promise a price online we can't stand behind.

National sites quote $8,000–$20,000 for a rewire. That's a floor — in our area, a true whole-house rewire with a panel upgrade and Bay Area labor usually starts where their range ends. We'd rather set the expectation honestly than lowball you into a change-order surprise.

What moves the price

Square footage and number of circuits/devices
Single vs two-story, crawlspace/attic access, and finished walls
Knob-and-tube or aluminum branch wiring removal
Drywall patching scope (us vs a separate contractor)
Panel upgrade (nearly always part of a rewire)

What a done-right price includes

The cheapest number online usually leaves this out. Ours doesn't.

  • Full NEC-compliant rewire with new devices and grounding
  • Panel upgrade coordinated in the same project
  • Permit + inspection at each required stage
  • Clear phased plan so you're never guessing
  • 1-year workmanship warranty

Certified installer & trusted partners

Tesla Certified InstallerSPAN Certified InstallerChargePoint InstallerAutel InstallerButterflyMX Certified InstallerGenerac Authorized DealerQmerit / AMP InstallerBright Saver Referral Partner

Questions, answered straight

Why is rewiring so variable?+

Because access is everything. Getting new wire through open framing is fast; fishing it through finished, insulated two-story walls is slow and careful work. The assessment is where we see your real conditions and give a firm number.

Can you do it in phases?+

Often yes — we can sequence a rewire room-by-room or floor-by-floor to spread it out, with the panel and safety-critical circuits first. The portal shows you the plan and each phase.

Get your exact number — free.

A licensed C-10 comes out, runs the load calc, and gives you a clear, upfront price for your home. No obligation.

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Whole-House Rewiring Cost (Bay Area / Central Valley) | Astral