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Boiler Operator License
Total cost: $100-$150
Governing Authority
Washington Department of Labor and Industries — Boiler/Pressure Vessel Program
Official website →Some details on this page are not yet confirmed against an official source. See sources below or contact the licensing board to verify.
No
License Required
4
License Grades
Yes
Exam Required
$100-$150
Total Initial Fees
Triennial (every 3 years)
Renewal Period
No
CE Required
Washington does not require a state boiler operator license.
While Washington does not mandate a state-level boiler operator license, employers often prefer or require nationally recognized certifications. Consider obtaining a National Board Commission or ASME certification to advance your career. Boiler safety is managed by the Washington Department of Labor and Industries — Boiler/Pressure Vessel Program.
Total startup cost for boiler operator licensing
License Fee
$50
Washington boiler operator license fee
Exam Fee
$50
Examination fee
Renewal Fee
$50
Renewal fee per cycle
Total estimated initial costs including license and exam fees
Washington boiler operator licensing overview
Mostly verifiedNot Required
State License
4
License Grades/Classes
18+
Minimum Age
License Grades / Classes
Boiler Operator — Grade 4
Entry-level, for operating small low-pressure boilers
Experience: Basic training
Boiler Types: Small low-pressure steam and hot water boilers
Boiler Operator — Grade 3
For operating mid-size boilers
Experience: 1 year experience
Boiler Types: Mid-capacity boilers
Boiler Operator — Grade 2
For operating large boilers
Experience: 2 years experience
Boiler Types: Large capacity boilers
Boiler Operator — Grade 1
Unlimited boiler operation — chief engineer
Experience: 3+ years experience
Boiler Types: All boiler types, unlimited
Boiler operator licensing requirements vary significantly by state. Some states require multiple grades of licenses based on boiler size and pressure rating, while others do not require a state-level license at all. The ASME Boiler and Pressure Vessel Code provides the national standard for boiler safety. Always verify current requirements with your state licensing authority.
Not sure if you need a boiler operator license? Check whether your state requires one.
No state boiler operator license is required in Washington. Check with local jurisdictions for any local requirements.
Boiler Operator requirements in nearby states
See how Washington compares: Boiler Operator License Fees by State — Cheapest to Most Expensive →
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Boiler Operator Schools in Washington
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Boiler Operator requirements in Washington verified against Washington Department of Labor and Industries — Boiler/Pressure Vessel Program, March 2026.
Moving to Washington? Use our free Transfer Tool to see what you need →
Already licensed elsewhere? See how to transfer your Boiler Operator license to Washington →
Washington does not require a state boiler operator license. 4 license grade(s) are available for different boiler types and capacities. Boiler safety in Washington is overseen by the Washington Department of Labor and Industries — Boiler/Pressure Vessel Program.
Requirements vary by state. Always verify current requirements with your state licensing authority.