C-28 — Lock and Security Equipment Contractor
Compliance obligations for California C-28 (Lock and Security Equipment Contractor) contractors. Keep every deadline tracked to stay licensed and avoid penalties.
Compliance Obligations
| Obligation | Agency | Cycle | Fee |
|---|---|---|---|
| CSLB Contractor License Renewal | Contractors State License Board (CSLB) | 2 years | $450 |
| Contractor License Bond | Contractors State License Board (CSLB) | continuous | $25,000 |
| Bond of Qualifying Individual | Contractors State License Board (CSLB) | continuous | $25,000 |
| LLC Employee/Worker Bond | Contractors State License Board (CSLB) | continuous | $100,000 |
| Workers' Compensation Insurance | Department of Industrial Relations (DIR) | annual | Varies by classification and payroll |
Workers' Compensation
Workers' comp is required for C-28 contractors.
Mandatory date: 2028-01-01 (Phase 2). Contractors with employees must carry workers' compensation insurance at all times.
Scope of Work
View full statutory scope of work ▼
A lock and security equipment contractor evaluates, sets-up, installs, maintains and repairs all doors and door assemblies, gates, locks and locking devices, panic and fire rated exit devices, manual and automatic operated gate and door closures and releases, jail and prison locking devices and permanently installed or built in safes and vaults. This classification includes but is not limited to master key systems, metal window guards, security doors, card activated and electronic access control systems for control equipment, motion and other types of detectors and computer systems for control and audit of control systems and other associated equipment. Fire alarm systems are specifically not included in this section.
Track your C-28 deadlines automatically.
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City Business Licenses
In addition to state requirements, you may need a city business license.
Renewal: January 1 (calendar year)
Renewal: May 31 (registration renewal); March 1 (annual business tax return)
Renewal: January 1 (calendar year)
Renewal: December 31 (calendar year)
Renewal: March 1 (annual)
Renewal: January 31 (calendar year, certificate expires December 31)
Renewal: March 1 (calendar year)
Renewal: Anniversary of license issue date (annual)
Renewal: July 31 (fiscal year ending June 30)
Renewal: Anniversary of issue date (rolling annual renewal)
Renewal: January 31 (calendar year, renewal notices mailed in November)
Renewal: April 1 (fiscal year April 1 - March 31)
Renewal: Anniversary-based (rolling annual expiration)
Renewal: Annual (due first day of month after expiration) or quarterly (Jan 1, Apr 1, Jul 1, Oct 1)
Renewal: June 30 (fiscal year July 1 - June 30, renewal due July 31)