Tennessee state seal logo on a spiral notebook with pencil on a blue background, featuring “Place Name Here” and “State of Tennessee” text.

PE Stamp & Seal Requirements by State: Complete Guide

Twenty of the fifty-three engineering jurisdictions publish no seal size, New Jersey prohibits rubber stamp seals outright, and Minnesota does not require a seal at all. The size rule for every jurisdiction, where the signature goes, and how firm numbers and second seals work.

Yellow clipboard with Michigan licensed professional engineer stamp, drafting tools, and office supplies on white grid background, showcasing Professional Engineer Michigan and PE License Michigan.

Michigan PE Seal Requirements: Design and Number

A Michigan PE seal has to carry the full ten digit license number exactly as the state issued it, and engineers routinely quote a shortened form. There is no diameter to hit, because the rule specifies the design by picture rather than by dimension.

Maryland Licensed Professional Engineer seal on official document with pen, symbolizing PE License certification and verification in Maryland.

Maryland PE Seal Requirements: Great Seal at Center

COMAR puts the pictorial Great Seal of Maryland at the center of a PE seal, so a generic multi state template cannot simply be relabeled. What surrounds it, where the expiration date belongs, and which documents a Maryland engineer has to seal.

North Carolina Professional Engineer Seal with purple ribbon on yellow background, showing NC PE Seal requirements and Professional Engineer Seal for North Carolina.

North Carolina PE Seal: Wording, Firm Number, Files

North Carolina sets no PE seal diameter anywhere, and the state name is not one of the three elements the statute lists. The board design that controls layout, the firm number required on every sheet, and the rule about editable files.

California PE stamp on white paper with registered engineer license number and expiration date, meeting California PE stamp purchase rules.

California PE Stamp Rules: Size, Wording and Signing

California lets you buy a rubber stamp of your seal and forbids a rubber stamp of your signature, along with preprinted blank forms and decals of either. The 1.5 inch floor with no stated ceiling, and where the signature and date belong.

Florida PE stamp on white paper with envelope, symbolizing Florida professional engineer licensing requirements.

Florida PE Seal Requirements: Size, Signing and Sealing

A Florida PE seal is a minimum of 1-7/8 inches and goes on top of your signature, partially overlapping it, not beside it. The signature underneath must be made by hand, so a scanned or digitally created image of it does not count.

Professional engineer seal Pennsylvania with red rose, green leaf on white background, meeting PA PE stamp regulations and requirements.

Pennsylvania PE Seal: 1-3/4 Inch and the 2022 Rewrite

Pennsylvania states one diameter rather than a range: the seal is 1 3/4 inch, with a pocket seal allowed down to 1 1/2 inch in the same proportions. What the December 2022 rewrite changed, and why older guidance describes repealed text.

Texas PE Seal on white paper with delicate white flowers, emphasizing Professional Engineer requirements in Texas.

Texas PE Seal Rules: Two Inch Maximum and the F Number

Texas publishes a maximum PE seal size rather than a minimum: no larger than two inches, with computer generated seals allowed to shrink. Why enlarging is the mistake, where your firm's F number has to appear, and why the signature stays off the seal.

Colored pencils circle a Washington PE Seal on white paper, representing registered engineer certification, PE Seal criteria, and engineering design tools.

Washington PE Stamp Rules: No Size, Sign Over the Seal

Washington gives no PE seal diameter, so any specific dimension quoted to you is not from the current rule. Two rules invert the usual advice: preliminary documents are stamped though not signed or dated, and the signature goes on top of the seal.

Hand holding white paper with licensed professional engineer stamp from Iowa, showing the PE seal and meeting Iowa license verification requirements on a yellow background.

Iowa PE Seal Rules: Wording, Ink Color and the Block

A perfect Iowa seal on a document with no certification block is still a noncompliant submission. What the engineering block must carry, why the signature and handwritten date go in a contrasting ink color, and the fact Iowa states no diameter at all.

Pink peony next to a spiral notebook with a professional Arizona engineer stamp on white paper, emphasizing Arizona engineer stamp regulations.

Arizona PE Seal Requirements: Branch, Size and Filing

An Arizona engineer registered in two branches buys two seals, because the rule requires one for each branch and a single die naming both does not satisfy it. The exact 1-1/2 inch specification, the date signed legend, and the imprint filed with the Board.

Massachusetts Professional Engineer stamp on paper with drafting pens and wooden background, emphasizing PE license requirements.

Massachusetts PE Seal Rules: Size and Per-Sheet Sealing

Massachusetts requires every filed sheet to be individually signed, sealed and dated, so a sealed cover sheet over an unsealed set does not comply. The depicted image runs approximately one and one half inches, and a forty sheet filing takes forty impressions.

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