The state of Delaware requires the professional engineer stamp to be 1 1/2 inches in diameter. We offer the Delaware professional engineer stamp in one size; 1 1/2 inches.
In case you have any questions on the Delaware professional engineer stamp requirements or any other regulatory questions, we have included the Delaware Engineer boards contact information below for your convenience.
Delaware State Board:
Delaware Association of Professional Engineers
92 Read’s Way, Suite 208
New Castle, DE 19720