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California contractor license
De Martini Electric Inc
De Martini Electric Inc of Sonoma holds California license 584784 (C10 Electrical). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Dec 31, 2026.
Licensed 36 years, longer than 90% of 15,105 active California electrical contractors.
Active
- License ends Dec 31, 2026 (60 days)
De Martini Electric Inc, Sonoma
- License
- 584784
- Class
- C10 Electrical
- Expires
- Dec 31, 2026
- Bond
- $25,000
- Workers' comp
- Insured to Oct 1, 2027
CSLB file dated Nov 1, 2026
From the CSLB file dated Nov 1, 2026. Not a consumer report; check the board before you hire.
Has the board taken action on this license?
None in the CSLB file dated Nov 1, 2026. Confirm with the board: CSLB license check
What bond, insurance and workers' comp are on file?
- Bond
- $25,000American Contractors Indemnity Company, from Jan 1, 2023, continuous
- Liability insurance
- Not in the CSLB fileCheck with the board
- Workers' comp
- InsuredBenchmark Insurance Company, from Oct 1, 2026, to Oct 1, 2027
Who is on this license?
- Officer
- Christina C. de MartiniSince Dec 8, 2008
- Responsible managing officer, CEO and president
- Scott D. de MartiniSince Jan 6, 1990
What work does this license cover?
Issued Jan 6, 1990. Reissued Dec 8, 2008.
Which other Sonoma businesses hold C10 Electrical?
- Bill Yeo Electric IncLicensed since 1975
- Voltair ElectricLicensed since 1983
- Wolf Electric IncLicensed since 1993
- Tomko Electric IncLicensed since 2001
- Schafer Electric Services IncLicensed since 2006
What should you check before hiring?
What to ask before you hire
- Ask whether it has been renewed. Something on this license ends within 60 days. Check again before you pay a deposit.
- Get the license number in writing. The name on the license should match the name on your contract and invoice.
- Check the class covers the job. A license for one trade doesn't cover another. California license classes
- Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
- Ask who will be on site. If a crew works on your property, ask for proof of workers' comp. An exemption on file means the contractor told the CSLB it has no employees.
- Put it in a written contract: license number, price, start date and payment schedule. Check the license again on the day you sign.
If the license is lapsed
- Don't sign or pay a deposit until the CSLB shows the license active again.
- Ask the contractor why. For a bond or insurance lapse, ask for proof that the new bond or policy was filed with the CSLB, then check again.
- If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Contractors State License Board (CSLB).
- Check another contractor. California license lookup
Sources
- CSLB License Master (cslb.ca.gov, Nov 1, 2026)
- Contractors State License Board (CSLB)