Renew your New Hampshire plumbing license online or in-person with Granite State Trade School, an approved continuing education provider. This course covers the required training curriculum as set forth by the New Hampshire Mechanical Licensing Board.
License Renewal Requirements
New Hampshire plumbing licenses expire every 2 years and require 6 hours of approved continuing education for renewal.
Two different 3-hour courses meet the requirement.
BEST VALUE Bundle – NFPA Code Review (Current & Previous Year): 8AM – 2PM $90
Lunch included for in-person attendees!
Register online below or call 603-895-4444.
What's Covered
Granite State Trade School offers Continuing Education for a 2 Year Cycle in One Session
You can take 2 annual sessions (3 Hours each) in one 6 Hour Day Class and be complete for your 2 Year renewal
Plumbing Continuing Education – June 19
2026 Renewal-Friday, June 19, 8 AM TO 11 AM
2025 Renewal- Friday, June 19, 11 AM TO 2 PM
*Webcam required for all online courses*
Plumbing Continuing Education – July 25
2026 Renewal-Saturday, July 25, 8 AM TO 11 AM
2025 Renewal- Saturday, July 25, 11 AM TO 2 PM
*Webcam required for all online courses*
Plumbing Continuing Education – August 28
2026 Renewal-Friday, August 28, 8 AM TO 11 AM
2025 Renewal- Friday, August 28, 11 AM TO 2 PM
*Webcam required for all online courses*
Plumbing Continuing Education – September 18
2026 Renewal-Friday, September 18, 8 AM TO 11 AM
2025 Renewal- Friday, September 18, 11 AM TO 2 PM
*Webcam required for all online courses*
Plumbing Continuing Education – October 16
2026 Renewal-Friday, October 16, 8 AM TO 11 AM
2025 Renewal- Friday, October 16, 11 AM TO 2 PM
*Webcam required for all online courses*
Plumbing Continuing Education – November 13
2026 Renewal-Friday, November 13, 8 AM TO 11 AM
2025 Renewal- Friday, November 13, 11 AM TO 2 PM
*Webcam required for all online courses*
Plumbing Continuing Education – December 11
2026 Renewal-Friday, December 11, 8 AM TO 11 AM
2025 Renewal- Friday, December 11, 11 AM TO 2 PM
*Webcam required for all online courses*
What People are Saying about Granite State Trade School
If you are a MA plumber or gasfitter and you are interested in getting your NH license, I highly suggest this school. I came here and was very impressed from my first phone call to my last test.
- Thomas Denoi
Take Your Career to the Next Level at Granite State Trade School
Certification is a validation of experience, knowledge, skills, abilities, behaviors, and competencies for a particular job or profession. Personal certification is a demonstration of an individual’s knowledge, skills, and abilities in a specific trade or field. Whatever your career objectives are, call Granite State Trade school and start taking your career to the next level.
Stay Connected
Join the GSTS Mailing list and receive the latest on courses and industry information. To be added to our list, please provide complete and accurate information.