The state of Oregon requires the professional engineer stamp to be 1 3/4 inches in diameter. Oregon allows a tolerance of 1/4 inches. We offer the Oregon professional engineer stamp in one size; 1 5/8 inches.
In case you have any questions on the Oregon professional engineer stamp requirements or any other regulatory questions, we have included the Oregon Engineer boards contact information below for your convenience.
Oregon State Board:
Board of Examiners for Engineering and Land Surveying
670 Hawthorne Ave, SE
Salem, OR 97301