Erwin Integration, C-10 Electrical Contractor in Walnut Creek, CA
Erwin Integration operating as a sole owner holds an active California contractor license (CSLB #924540), valid through Feb 29, 2028. First issued in 2008, the license has been on the CSLB roster for 18 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 Walnut Creek, in Contra Costa County, California.
- License Number
- 924540
- Issued
- Nov 4, 2008
- Status
- CLEAR
- Expires
- Feb 29, 2028
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100746106
- Effective
- Aug 6, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 15, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Erwin Integration licensed in California?
Yes. Erwin Integration holds California Contractors State License Board license number 924540, which is active and in good standing. The license was first issued on November 4, 2008. It is valid through February 29, 2028.
What does Erwin Integration specialize in?
Erwin Integration is licensed for one CSLB classification: C-10 Electrical Contractor.
Where is Erwin Integration headquartered?
Erwin Integration is headquartered at 3119 Deerpark Drive, Walnut Creek, CA 94598, in Contra Costa County, California.
Does Erwin Integration have an active surety bond on file with CSLB?
Yes. Erwin Integration has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Erwin Integration carry workers' compensation coverage?
Erwin Integration reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Erwin Integration's contractor license?
You can verify Erwin Integration's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=924540.
- License issuedNov 4, 2008
- Bond activeAug 6, 2023
- WC coverage startsJan 15, 2026
- License expiresFeb 29, 2028
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