colorado digital pe stamp

Colorado PE Stamp Overview

PE stamps in Colorado are regulated by the Colorado State Board of Licensure for Architects, Professional Engineers, and Professional Land Surveyors (AES Board) to ensure the authenticity and accountability of engineering work. In this blog post, we will summarize the key requirements for Colorado PE stamps.

Colorado Code Reference: The requirements for Colorado PE stamps are outlined in the Colorado Revised Statutes (CRS) and the Colorado Code of Regulations (CCR). The specific sections that cover PE stamps are:

  • CRS 12-120-313: Professional engineer’s seal – rules
  • 4 CCR 730-1, Rule 5.1: Seals and Signatures

Stamp Size and Design – The Colorado PE stamp must meet the following size and design requirements:

SizeThe stamp shall be between 1 and 2 inches in diameter.
DesignThe stamp shall bear the licensee’s name, license number, and the legend “Licensed Professional Engineer.”
StateThe stamp shall include the words “State of Colorado” at the top.

Other Important Information:

  1. Signing and Sealing: All final engineering documents must be signed and stamped by the licensee in responsible charge of the work.
  2. Electronic Signatures: The use of electronic signatures and digital seals is permitted, provided they meet the requirements set forth by the AES Board.
  3. Out-of-State Licensees: PEs licensed in other states must obtain a Colorado PE license to practice engineering in Colorado and use the Colorado PE stamp on their documents.
  4. Stamp Ownership: The PE stamp is the property of the licensee and must be under their control. It is the licensee’s responsibility to prevent unauthorized use of their stamp.
  5. Stamp Usage: The PE stamp should only be used on documents that have been prepared by the licensee or under their responsible charge. Misuse of the stamp may result in disciplinary action.

By adhering to these requirements, Colorado PEs can ensure compliance with state regulations and maintain the integrity of their professional work. It is essential to stay informed about any updates or changes to the Colorado PE stamp requirements by regularly reviewing the CRS and CCR sections mentioned above.

For more detailed information, please refer to the official website of the Colorado State Board of Licensure for Architects, Professional Engineers, and Professional Land Surveyors at

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