California Professional Stamp Tool

When California requires a seal
For professional engineers (16 CCR § 411(g)(1); a parallel provision, § 411(g)(2), covers land surveying documents): "All professional engineering plans, specifications, reports, or documents (hereinafter referred to as 'documents') shall be signed and sealed in accordance with the requirements of the Professional Engineers Act and any other laws related to the practice of professional engineering and shall be signed and sealed in a manner such that all work can be clearly attributed to the licensee(s) in responsible charge of the work."
Cal. Code Regs. tit. 16, § 411(g)(1) (2026 Board Rules compilation, p. 12) — California Board for Professional Engineers, Land Surveyors, and Geologists

California stamp rules at a glance

California specifies a circular seal, 1.5 inches diameter under Cal. Code Regs. tit. 16, § 411, and accepts electronic seals for sealed submittals. California sets no continuing-education requirement for engineers.

Licensing board California Board for Professional Engineers, Land Surveyors, and Geologists
Stamp size 1.5 inches (Circular seal, 1.5 inches diameter)
Required elements Full legal name, License number, "Professional Engineer", Renewal date, Branch of engineering (optional)
Governing statute Cal. Code Regs. tit. 16, § 411
Continuing education None required for PE; 5 hours per 2 years for architects
Board phone (916) 263-2222
Architect board California Architects Board

Full dimensions for every state: PE stamp size requirements by state.

Checking whether a licence is current: California PE license lookup. What must appear on the seal: PE stamp requirements.

California Professional Stamp Tool

California at a glance

State
California
Digital Seals
Accepted
Continuing Education
None required for PE; 5 hours per 2 years for architects
Profession Types
26 available

California stamps by profession

Frequently asked

What professional stamps are available in California?

California offers professional stamps for engineers, architects, land surveyors, and landscape architects.

Are digital professional stamps legal in California?

Yes, California accepts digital stamps and seals for most professions.

Guides & tools

Other states