Engineer Seal Stamps compliance desk. Updated 8 November 2026.
Engineers have a new way to show their professional license in Colorado. The PE seal embosser is an easy way to make your license visible and add a bit of personality to your documents. This article will discuss the benefits of having a PE seal embosser and how to use it correctly.
Rules From The Colorado State Board
Section 12-25-117(1) allows three seal types: rubber stamp, computer generated and raised impression. The Colorado professional engineer stamp gets its approval from the State Board of Licensure for Architects, Professional Engineers, and Professional Land Surveyors.
For the Colorado engineer stamp, check four points. Circles: 1-5/8" outer, 15/16" inner. Center of the inner circle: the license number of the engineer the seal belongs to, with the name from that professional engineer's registration also on the seal. Never on the seal: the word “number.” Older stamps: one obtained before June 1, 2005 is still acceptable under Colorado law and may stay in use.
Using The Colorado Professional Engineer Stamp
The Colorado state board rules require the engineering seal on final reports, or on the final electronic record, of the documents listed here:
- Every sheet of engineering drawings
- Cover, title page and table of contents
- The title or signature page
- The title page of details
Every document, paper or electronic, needs the licensee's signature and the date it was signed. Where it applies, electronic upload is fine as long as both appear through the Colorado professional engineer stamp. If a document is not final, the signing engineer marks it as preliminary with a note such as “for review,” “for bid only,” or “not for construction.”
When the engineer applies the Colorado professional engineer stamp to a document, responsibility for the report passes to that engineer. The seal may be limited to particular disciplines, for instance structural engineer or civil engineers. A written statement beside the engineer's embossing seal must state the scope of responsibility for the document.
Many online vendors sell the Colorado engineer embossing seal, with a wide selection to suit each engineer’s preferences and work setting. Here, embossers and both inked stamp types (self-inking and pre-inked) are typically processed in 24 to 48 hours, and engineers often receive their electronic seal or proof the same business day. Whatever type of Colorado engineer stamp you pick, it has to satisfy the requirements described above.
Types of PE Stamps Available
There are many types of engineer stamps available, each with its own benefits. The three most common types of engineer seals are pre-inked, self-inking, and embossers.
Pre-inked Stamps
Pre-inked stamps offer a consistent impression quality on any document type. They are also very durable, with the ability to make up to 25,000 impressions. The ink is applied to the stamp die with each impression, which means that there is no risk of smudging. Pre-inked engineer seals are available in a wide range of sizes and colors.
Self-Inking Stamps
Many engineers choose a Self-inking stamp because it is simple and takes little effort. Press it on the document and the ink goes on by itself. Expect about 10,000 impressions from one, in your choice of many ink colors.
Embossers
Embossers create a raised impression on your document, which gives it a professional look and feel. This type of engineer seal is perfect for important documents such as contracts, construction plans, and presentations. Embossers are available in a variety of frames depending upon your use.
About ESS
ESS is a lead producer of seals for architects, professional engineers and other professions. Most orders ship within 24 to 48 hours. If you have questions please contact us.
Related Colorado engineer guides
Start with Colorado engineer seal requirements for the whole Colorado picture, then check Colorado engineer stamp rules and Colorado engineer seal and stamp guide.
