Boiler Certification

A one-year extension has been granted to operators that were required to complete a Boiler Refresher by August 1, 2021. Further details have been mailed to those that have been impacted.

Bates offers Boiler Operator Certification Testing for: Class I Chief Operating Engineer, Class II and III Operating Engineer, and Class IV and V Boiler Fireman. Certification is required to operate boilers in the City of Tacoma. Bates administers testing monthly at South Campus, 2201 S. 78th St, Tacoma. Call 253.680.7402 for more information about scheduling a test.

All boiler operator certificates must be renewed annually. Renewal notices will be mailed out by June 1. The cost will be $60 to renew between June 1 and the expiration date (August 1). If certificates are not renewed by the expiration date, certificates will enter a 45-day grace period (ending on September 15). During this grace period, a late fee of $25 will be added. Therefore, the total cost to renew a certificate throughout the grace period is $85.

Every five years, there will be a requirement to take a Boiler Refresher course. Refresher courses are usually eight hours long and finished in one or two days. They consist of a review of operation safety and give operators an overview of new technology. An open book test (on what was covered in class) will be given at the end. Students will receive a Certificate of Completion at the end of the class. You must submit a copy of that Certificate of Completion as proof of attendance. Notification will be mailed out a year in advance as a reminder to take a Boiler Refresher course and will include a list of institutions that offer approved courses. This requirement is in addition to paying your annual renewal fee. Failure to complete a course will result in the expiration of your certificate. The tuition paid for the Boiler Refresher course cannot be applied towards your annual renewal fee.

If you are interested in being a boiler instructor, please call 253.680.7402.

Boiler Certification Exam Dates  

Boiler Certification exams are held monthly on Wednesdays. Please note that you must turn in a completed application form on or before the application deadline.

Testing takes place from 5-7 p.m. at Bates’ South Campus in Building E, Room E101B.

Samuel Cureton, Chief Boiler Certification Examiner, evaluates each application and will contact individuals who do not meet the exam eligibility criteria. If you have any questions about certification test eligibility, please contact Samuel Cureton at 253.680.7407 or


2021 Test Dates

Application Deadline


January 20

January 12

February 17

February 9

March 17

March 9

April 21

April 13

May 19

May 11

June 16

June 8

July 21

July 13

August 18

August 10

No test, Summer Break

October 20

October 12

November 17

November 9

December 15

December 7


Steam Certification Board

View our SCB page for more information regarding the Steam Certification Board.


Boiler Certification Packet Materials

Boiler Refresher Schedule

Bates Technical College
2201 S. 78th Street
Tacoma, WA 98409
(253) 680-7402
Construction and Trades
No classes available at this time.

Renton Technical College
Online Course
Price: $149
No classes available at this time.

Verify Training
6624 S. 196th St, STE U-100
Kent, WA 98032

Time: 8:00 a.m.-5:00 p.m.
Price: $250

  • July 22
  • August 19
  • September 16
  • October 14
  • November 18
  • December 16

Bates Technical College offers classes on campus, online and hybrid. For Fall Quarter 2021, vaccinations will be required. Learn more about vaccinations and our COVID-19 response on the COVID-19 resource page.