Whole Home Rewiring Cost in Los Angeles:
A Complete Guide [2026]
Complete guide to whole home rewiring costs in Los Angeles. Pricing by square footage, permits, wall repair costs, and what to expect.
Rewiring Guide
How Much Does Whole Home Rewiring Cost?
If your home has old wiring (knob-and-tube, aluminum, or cloth-insulated), rewiring is a safety necessity.
Cost Breakdown
Rewiring Cost Breakdown
| Item | Typical Range |
|---|---|
| Per Square Foot (standard) | $8 – $15 per sq ft |
| 1,200 sq ft home | $6,000 – $12,000 |
| 2,000 sq ft home | $12,000 – $20,000 |
| 3,000+ sq ft home | $18,000 – $35,000+ |
| Panel Upgrade (often included) | $2,500 – $4,500 |
| Wall Repair / Patching (per room) | $300 – $800 |
Costs vary by accessibility and wall finish.
Rewiring Process
What to Expect During Rewiring
1
Initial Assessment
Inspect current wiring and determine scope.
2
Permit & Plan Check
LADBS or your city requires permits.
3
Rough-In Wiring
Run new Romex through walls and crawl spaces.
4
Device Installation
New outlets, switches with AFCI/GFCI protection.
5
Panel Connection
Connect new circuits, disconnect old.
6
Inspection & Close-Out
City inspection and documentation.
Old Wiring Dangers
Signs Your Home Needs Rewiring
- Knob-and-tube — Pre-1940s. No ground wire, fire hazard.
- Aluminum wiring — 1965–1973. Prone to connection failures.
- Cloth-insulated — Insulation crumbles when touched.
- Two-prong outlets — No grounding, unsafe for electronics.
Related
Related Services & Resources
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