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Spark Electricians Walnut Creek One & Only Electrical Service. inc

One & Only Electrical Service. inc

Electrician in Walnut Creek, Contra Costa County.

4.4 on Google from 103 reviews See it on Google Maps

Call (925) 989 5266
100 plus reviews20 years
Address
1661 Botelho Dr Ste 296, Walnut Creek, CA 94596
Phone
(925) 989 5266
Website
oneandonlyelectricals.com
In business
20 years
Area
Walnut Creek

Hours

Monday8 AM–8 PM
Tuesday8 AM–8 PM
Wednesday8 AM–8 PM
Thursday8 AM–8 PM
Friday8 AM–5 PM
Saturday10 AM–5 PM
Sunday11 AM–5 PM

State License Check

State license checked November 1, 2026. Active, CSLB record

Matched by phone number and exact business name to a C-10 (electrical) license in the Contractors State License Board file dated October 28, 2026. License 1035998 opens the board's own lookup, which may ask you to type the number in. A status can change any day, so check the live record and make sure the name matches your contract before you sign.

What Customers Wrote on Google

He delivered exactly what he promised and the quality of his work was excellent.

One and only responded quickly and got the job done quickly with a good price.

Don't ever give them your any credit card or debit card.

Quoted from the business Google listing and not edited here.

Other electricians in Walnut Creek

Before hiring anyone, check the C 10 license number against the contractor board record and make sure the name matches the contract. Here is how to do that in a minute.