Core Energy Systems, C-10 Electrical Contractor in Penngrove, CA
Core Energy Systems operating as a sole owner holds an active California contractor license (CSLB #951323), valid through Aug 31, 2026. First issued in 2010, the license has been on the CSLB roster for 16 years. It carries a single CSLB classification: C-10 — Electrical Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Penngrove, in Sonoma County, California.
- License Number
- 951323
- Issued
- Aug 18, 2010
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100773040
- Effective
- Aug 7, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Aug 12, 2024
- Expires
- —
This contractor warrants a closer look before contracting:
- License expires in 54 days
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Core Energy Systems licensed in California?
Yes. Core Energy Systems holds California Contractors State License Board license number 951323, which is active and in good standing. The license was first issued on August 18, 2010. It is valid through August 31, 2026.
What does Core Energy Systems specialize in?
Core Energy Systems is licensed for one CSLB classification: C-10 Electrical Contractor.
Where is Core Energy Systems headquartered?
Core Energy Systems is headquartered at P O Box 1025, Penngrove, CA 94951, in Sonoma County, California.
Does Core Energy Systems have an active surety bond on file with CSLB?
Yes. Core Energy Systems has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Core Energy Systems carry workers' compensation coverage?
Core Energy Systems reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Core Energy Systems's contractor license?
You can verify Core Energy Systems's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=951323.
- License issuedAug 18, 2010
- Bond activeAug 7, 2023
- WC coverage startsAug 12, 2024
- License expiresAug 31, 2026
- All Electric#525460Petaluma·C-10 Electrical Contractor
- Pcd#527657Santa Rosa·C-7 Low Voltage Systems Contractor
- Risling Electric#535311Santa Rosa·C-10 Electrical Contractor
- Amp Champ Electric#536668Cloverdale·C-10 Electrical Contractor
- Steele Construction#538835Santa Rosa·B General Building Contractor
- Damran Electric#542541Cloverdale·C-10 Electrical Contractor
- Rogers Construction#549576Santa Rosa·B General Building Contractor
- American Builders#427930Sonoma·A General Engineering Contractor
Working a California job with Core Energy Systems, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Core Energy Systems? Claim or correct this profile