A complete electrical overhaul of a residence through house rewiring brings enhanced safety standards together with improved energy performance, which simultaneously boosts the market value of the property. Homeowners need to pay different amounts for residential rewiring projects in California because of their house dimensions, construction period, site position, access conditions, and electrical system complexity.
The guide provides information on California house rewiring expenses, including standard cost ranges and the essential elements that determine how much you will pay for this service.
Average Cost Range in California
In most cases, homeowners in California can expect the following general price ranges:
- Typical total cost: $8,000 to $30,000
- Broader statewide range: $3,500 to $30,000 or more
- Higher-end projects: $14,000 to $36,000+ depending on size and complexity
These wide ranges exist because every home is different. Older homes, large properties, or houses with outdated wiring systems often require more labor and materials, increasing the total cost.
Average Cost per Square Foot
Many electricians estimate rewiring costs based on the home’s square footage.
Typical price ranges in California:
- $2 to $6 per square foot for standard rewiring
- $4 to $8 per square foot for more complex projects
In high-cost cities or older homes, prices can rise even higher, especially if extensive upgrades or panel replacements are required.
Cost by Home Size
Here is a general estimate based on common home sizes:
|
Home Size |
Estimated Rewiring Cost |
|
Under 1,000 sq ft |
$5,000 – $8,000 |
|
1,000 – 2,000 sq ft |
$8,000 – $12,000 |
|
2,000+ sq ft |
$12,000 – $20,000+ |
|
2,500 sq ft home |
$15,000 – $25,000 |
For a typical 1,500-square-foot home, the cost can range from $7,500 to $25,500 depending on complexity and location.
Factors That Affect Rewiring Costs
Several variables influence the final price of rewiring a house in California.
1. Size of the Home
Larger homes require more wiring, outlets, switches, and labor. This is the biggest cost factor in most projects.
2. Age of the House
Older homes often contain outdated or unsafe wiring systems, such as knob-and-tube wiring. These require more extensive work, increasing the cost.
3. Accessibility of Wiring
Homes with open walls or ongoing renovations are easier to rewire. Finished walls, plaster, or tight crawl spaces can raise labor costs.
4. Electrical Panel Upgrades
Many rewiring projects also include panel replacements or upgrades, which can add $1,000 to $3,000 or more to the total cost.
5. Permits and Inspections
Local building permits and inspection fees are required in most California cities. These costs vary by municipality and project size.
Additional Costs to Consider
When planning a rewiring project, homeowners should also budget for related expenses:
- Drywall repair and repainting
- New outlets and switches
- Lighting upgrades
- Smart home wiring
- Temporary housing if major work is required
These extra costs can add several thousand dollars to the overall project.
Cost Comparison: California vs. National Average
- National average: around $10,000 for a full rewire
- Typical U.S. range: $10,000 to $30,000
- California projects: often $12,000 to $36,000+
Because of higher labor and material costs, rewiring in California is often more expensive than the national average.
Signs Your Home May Need Rewiring
Homeowners should consider rewiring if they notice:
- Frequent circuit breaker trips
- Flickering or dimming lights
- Burning smells near outlets
- Outdated fuse boxes
- Two-prong outlets
- Homes older than 30–40 years without electrical upgrades
Updating the wiring improves safety and ensures the home can handle modern electrical loads.
Is Rewiring Worth the Cost?
Although rewiring can be expensive, it offers several benefits:
- Improved electrical safety
- Increased property value
- Better energy efficiency
- Support for modern appliances and smart systems
- Reduced risk of electrical fires
For older homes, rewiring is often considered a necessary investment rather than an optional upgrade.
Tips to Save Money on Rewiring
Homeowners can reduce costs by:
- Getting multiple quotes from licensed electricians
- Rewiring during major renovations
- Prioritizing essential upgrades first
- Choosing standard fixtures instead of high-end options
Planning ahead and comparing contractors can significantly lower the total project cost.
Conclusion
The typical expense for residential rewiring services in California falls between $8,000 and $30,000. Homeowners need to spend between $12,000 and $36,000 for their projects based on their dwelling size and construction complexity.
The cost of complete home rewiring projects will run between $2 and $8 for every square foot of space.
The most accurate cost estimation for home projects requires homeowners to obtain price quotes from electricians who hold proper licensing because each home presents unique characteristics. The initial cost of rewiring seems high, but it establishes permanent protection together with better operational performance and increased building value.




