Boiler-Pressure Vessel Inspector

License Information

Per Wis. Admin. Code § SPS 305.60, no person may inspect a boiler or pressure vessel for the purpose of determining compliance with Wis. Admin. Code § SPS 341 or submit an inspection report to the Department documenting compliance or noncompliance with Wis. Admin. Code § SPS 341 unless the person holds a certification issued by the Department as a certified Boiler-Pressure Vessel Inspector or a certified in-service field inspector working under the general supervision of a certified Boiler-Pressure Vessel Inspector who has assumed responsibility for the inspection or the report.

A person who inspects boilers and pressure vessels as a certified Boiler-Pressure Vessel Inspector shall:

  • Maintain a record of the inspections made including the dates and the findings of the inspections;
  • Provide a copy of the inspection report to the property owner or his or her agent;
  • Make available to the Department upon request or as required under Wis. Admin. Code § SPS 341, his or her inspection records.

Application for License

3120Application for Boiler-Pressure Vessel Inspector Certification
3073​Fax Payment Form

Reinstate a Boiler-Pressure Vessel Inspector Certification that has been Expired more than 4 Years

  1. Pass the competency examination by the National Board of Boiler and Pressure Vessel Inspectors. 
  2. Complete degree or experience requirements (see Form #3120 for more information).
  3. Submit an application, supporting documentation and fee:
    1. Application for Boiler-Pressure Vessel Certification (Form #3120)
    2. See Form #3120 for total fee ($15.00 application fee, $120.00 prorated credential fee, and $25.00 late renewal fee)

Renewal Information


Renewal Method

Department of Safety and Professional Services

Trades Credentialing Unit
PO Box 78780
Milwaukee, WI  53293-0780

If you have questions regarding your renewal, please email

When mailing your renewal, please allow up to 21 calendar days [per Wis. Admin. Code SPS § 305.04 (1)] from the date your payment is processed to receive an update regarding your renewal.