Panel is full and the fit-out needs six more circuits
A sub-panel is usually cheaper and faster than replacing the main board, as long as the incoming service has the capacity. The load calculation is what tells you.
The panel is where an older building shows its age, and it is the job that has to happen before a fit-out adds anything. Work covers replacing failed and obsolete breakers, correcting overheated connections, adding circuits, replacing a panel that is full or unsafe, and upgrading the incoming service when the equipment you want draws more than the building was built for. It is also the item most likely to produce unwelcome news during a lease fit-out.
Enter your ZIP to see the businesses listed for this trade nearest to your site, with their phone numbers.
Most of these jobs land near $950. The full spread runs $280 to $9,000, and the gap between those two ends is diagnosis against replacement rather than one business being dearer than another.
What moves it: how much of the job is parts, whether the fault is found in the first hour or the third, access to the equipment, and the hour of the day you call. We never speak to the businesses listed here, so there is no rate card behind any of this. It is our own band for the category, and there is no regional index: the figure does not change with your metro.
| How soon you need it | Typical | Range |
|---|---|---|
| Scheduled visitBooked in advance, no urgency multiplier applied | $950 | $280 to $9,000 |
| Same dayOur band multiplied by 1.12 | $1,065 | $315 to $10,080 |
| Emergency calloutOur band multiplied by 1.35 | $1,285 | $380 to $12,150 |
Our estimate from national cost bands, not a quote from any business. Every row is the same band with the urgency multiplier the site applies everywhere else, so this table can never contradict the headline number. Ask for a written price before the work starts.
In California the classification that squarely covers this is C-10 electrical, and the register says who holds it. Every listing on this site shows the classification, the license number and the date we read it, with a link back to the register entry so you can check it against the state rather than against us.
One thing worth being plain about: CSLB classifications do not distinguish commercial work from residential. There is no separate commercial license to hold and no register field that would prove one. That is why this page describes the equipment rather than the contractor, and why nothing here says a business has been checked out. We read a public record on a stated date. That is the whole claim.
Everything below is about our mechanism. We hold no hours for any business on this site, have never contacted one, and cannot tell you who is awake, so none of this is a promise that somebody answers.
Before you pay for a callout
We would rather you did not need a callout at all. These are the checks that end the most calls for this fault.
Try a quick fix first
Some issues resolve without a truck roll. Two minutes now can save the callout.
Photograph the label inside the panel door and the panel schedule. Brand, model and the available ways decide most of the answer before anyone drives out.
Work out what the new equipment actually draws before asking for an upgrade. A fryer bank, a row of dryers or an EV charger each change the answer, and a load calculation is cheaper than a wrong upgrade.
If the panel is warm, discolored or buzzing, treat it as urgent. Those are the symptoms of a loose connection heating up, which is a fire risk rather than an inconvenience.
Ask whether the utility has to be involved. A service upgrade usually means a utility application with its own lead time, and that is often the longest part of the job.
Diagnosis
Written from how these faults actually present on a working premises, not from a manual.
A sub-panel is usually cheaper and faster than replacing the main board, as long as the incoming service has the capacity. The load calculation is what tells you.
Common in older strip units. Once breakers are only available secondhand, replacement is the safe answer rather than an upsell.
Listed for this trade
Read from public license registers, so there is no ranking here and no distance: this page has no location to measure from. Enter your ZIP to sort by who is nearest to your site.
By location
Local pages show which businesses are listed for that metro, how far out they sit, and the local conditions that drive demand.
Counted from the businesses we have imported for each metro center inside a 25 mile radius, and counting only those whose own license classification names this trade. General contractors licensed widely enough to take it on and subcontract it are excluded here, and still appear in a search. A metro reads “none yet” until we load a register that covers this trade there.
All coverage areasQuestions owners ask
Short, specific answers. If yours is not here, ask the business you call before you agree to the visit.
Related work
Batching jobs into one mobilization is the cheapest way to buy this kind of work.
Electrical & Lighting
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Ready when you are
Search your ZIP to see the businesses listed for this trade nearest to your site, with the license numbers and phone numbers we hold, then call them yourself.