Panels & Service Upgrades · San Lorenzo, California

Sub Panel Installation in San Lorenzo, CA

Extra capacity for garages and ADUs. Local electricians in San Lorenzo with upfront pricing, same-day appointments and 24/7 emergency response.

📞 Call (888) 592-6466 Get a Free Estimate

Sub Panel Installation Services in San Lorenzo

A sub panel brings power where you need it: a garage workshop, ADU, pool house, home office or addition, without crowding your main panel. For sub panel installation in San Lorenzo, CA, call Dab Electrical Services. Our local electricians know San Lorenzo and Alameda County and deliver clean, code-compliant work backed by a workmanship warranty.

Every sub panel installation job in San Lorenzo starts with a clear written estimate. Whether it is a quick repair or a full installation, you will know the price before we begin. We also handle permits and inspections for sub panel installation projects in San Lorenzo that require them.

Our sub panel installation in San Lorenzo includes:

Garage and workshop sub panels
ADU and guest house panels
Pool and spa equipment panels
Feeder wiring and trenching
Load calculations
Permits and inspections

Popular searches we serve: sub panel installation San Lorenzo, subpanel electrician San Lorenzo, garage sub panel San Lorenzo, ADU sub panel San Lorenzo, detached garage electrical San Lorenzo.

Sub Panel Installation – San Lorenzo

Call: (888) 592-6466

Serving: San Lorenzo and Alameda County, plus Hayward, Castro Valley, San Leandro

Availability: 24/7 emergency · Same-day appointments

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How Sub Panel Installation Works in San Lorenzo

Call or book online

Tell us what is going on. For emergencies we dispatch immediately; for projects we schedule a convenient arrival window.

Diagnosis and upfront quote

Your electrician inspects the issue, explains the options and gives you a firm price before any work starts.

Expert work, clean finish

We complete the job to code, test everything, clean up and walk you through what was done.

Warranty and follow-up

Your work is backed by our workmanship warranty, and we are one call away if you ever need us again.

San Lorenzo Reviews

★★★★★
“Hot tub wiring done right with the GFCI disconnect and bonding. Passed inspection the first time.”
— Kevin B., San Lorenzo, CA

★★★★★
“Doorbell kept dying so they replaced the transformer and now the video doorbell works flawlessly.”
— Patricia M., San Lorenzo, CA

★★★★★
“Added outlets in the garage and a 240V circuit for my welder. Fair price and they showed up exactly when they said they would.”
— Mike D., San Lorenzo, CA

Sub Panel Installation FAQs – San Lorenzo

What size sub panel do I need?

It depends on the loads you plan to run. We calculate it during the estimate.

Can you run power to a detached building?

Yes, via underground feeder or overhead conduit as the site allows.

Does an ADU need its own panel?

Most do. A dedicated sub panel also simplifies future metering.

Which neighborhoods in San Lorenzo do you serve?

We serve every neighborhood and zip code in San Lorenzo, plus surrounding communities such as Hayward, Castro Valley, San Leandro.