Cost of Whole House Rewiring in Ontario, CA — 2026 Price Guide
If you're a homeowner in Ontario, California, you've probably wondered what whole house rewiring actually costs in 2026. With a population of 175,265 in San Bernardino County, Ontario sits in the Southern California region. The average cost of whole house rewiring here runs about $11,280 per project, though your final price will depend on the specifics of your project.
2026 Whole House Rewiring Cost in Ontario, CA
| Cost Level | Price (per project) | What to Expect |
|---|---|---|
| Budget / Low-End | $4,700 | Basic scope, standard materials, smaller projects |
| Average / Mid-Range | $11,280 | Typical project scope with quality materials |
| Premium / High-End | $23,500 | Large scope, premium materials, complex projects |
Prices are estimates for Ontario, CA in 2026 and reflect local market conditions in San Bernardino County County. Your actual cost will depend on the specifics of your project.
Factors That Affect Whole House Rewiring Cost in Ontario
When you request a quote for whole house rewiring in Ontario, contractors evaluate these factors.
- Size of the home and number of circuits
- Accessibility of wiring routes
- Whether walls need to be opened
- Panel upgrade requirements
- Number of outlets and switches to install
- Code compliance requirements
- Whether low-voltage wiring is included
What Ontario Homeowners Should Know
Whole House Rewiring projects in Ontario typically require a permit from San Bernardino County. Your contractor should handle the permit application.
Always verify your Ontario whole house rewiring contractor's CSLB license at cslb.ca.gov before signing a contract.
How to Save Money on Whole House Rewiring in Ontario
You don't have to pay top dollar for quality whole house rewiring in Ontario. Try these strategies.
- Combine with a renovation project to reduce access costs
- Get a detailed scope of work before committing
- Ask about phased rewiring to spread costs
- Check insurance requirements for older wiring
- Compare quotes from at least 3 licensed electricians
Frequently Asked Questions
How much does whole house rewiring cost in Ontario, CA?
The average cost of whole house rewiring in Ontario is approximately $11,280 per project in 2026. Prices range from $5,000 to $25,000 depending on project scope.
How long does whole house rewiring take in Ontario?
Most whole house rewiring projects in Ontario take 3-7 days to complete. Factors like project complexity and weather in San Bernardino County can affect the schedule.
Do I need a permit for whole house rewiring in Ontario?
Yes, whole house rewiring projects in Ontario typically require a permit from San Bernardino County.
How do I choose a whole house rewiring contractor in Ontario?
Get at least three quotes from Ontario contractors, verify their CSLB license, check reviews, and never pay more than 10% or $1,000 upfront.
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