How much does an electrical panel upgrade cost in Clayton, MO?
US national rangeUpdated Prices checked October 20261 source
An electrical panel upgrade costs $518 to $2,193 nationally, typical $1,347. We have no documented price index for Clayton for this job, so this is the US national range from HomeAdvisor, checked October 2026.
US national range, not adjusted for this city
- Low
- $518
- Typical
- $1,347
- High
- $2,193
Electrical panel upgrade cost in Clayton, MO
We have no documented price index for Clayton for this job, so the table shows the US national range.
| Estimate | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| US national range | $518 | $1,347 | $2,193 | Per panel, installed; typical range of customer-reported jobs (HomeAdvisor) | October 2026 |
Electrical panel upgrade cost by type or size
US national figures in USD, as published by each source.
| Type or size | Price (USD) | Source |
|---|---|---|
| 100-amp panel | $800 to $1,500 | HomeAdvisor |
| 200-amp panel | $1,300 to $2,000 | HomeAdvisor |
| 400-amp panel | $2,000 to $4,000 | HomeAdvisor |
What drives the cost of an electrical panel upgrade
Amperage
Most homes need 100 to 200 amps; 400-amp service costs the most.
Replace or relocate
Moving a panel outdoors costs $1,500 to $4,000.
Old fuse box or recalled panels
Replacing a fuse box costs $1,500 to $4,500; Federal Pacific or Zinsco panels $1,500 to $4,000.
Wiring age and circuits
Older wiring and more circuits to move add labor.
Drywall repair
Patching around the panel runs about $1.50 to $3 per sq ft.
Permits and what's included in Clayton
Permit note
A permit is needed in most places, and the utility may need to disconnect service. Budget about $150 to $300 for permits and drywall repairs.
Rules are set locally; confirm with Clayton’s building department.
What’s usually included
- The new panel and breakers
- Labor to move circuits to the new panel
- Coordination of the inspection
Scopes vary. Get the scope in writing on every quote.
Get electrical panel upgrade quotes in Clayton
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Top-ranked electricians in Clayton
The top 3 of 266 electricians we rank for Clayton, MO, by CR Score. Paid placement never changes rank.
- #1Streib CompanyCR Score 634.9from 679 Google reviews
- #2Mr. Electric of St. LouisCR Score 624.9from 295 Google reviews
- #3Potts Electric, LLCCR Score 614.9from 941 Google reviews
Electrical panel upgrade cost in Clayton: questions
How much does an electrical panel upgrade cost in Clayton, MO?
Do I need a permit for an electrical panel upgrade in Clayton?
What affects the cost of an electrical panel upgrade?
How many electricians serve Clayton?
What is usually included in the price?
Sources
Checked October 2026. Figures are estimates, not quotes.
- HomeAdvisor: Electrical panel upgrade cost · page updated June 17, 2026 · checked October 2026Primary source. Used for: Low, typical and high; prices by amperage; drivers; permit.
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