• Water conditioning
• Exams
• Bonds

• Plumber license and credential types
• Exams
• Apprentice
• Bonds
• Reciprocity
• Backflow prevention certification
• Restricted plumber

Lookup plumbing licenses and bonds

Licensed plumbers lists -- The following lists can be used to locate a licensed plumber or determine whether your plumber is licensed by the Department of Labor and Industry.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Plumbing license types:
PM -- master plumber
PJ -- journeyman plumber
MR -- restricted master plumber
JR -- restricted journeyman plumber
WC -- water conditioning contractor
WI -- water conditioning installer

Searchable list

For a searchable database of licensed/bonded plumbers in Minnesota, use the
License Lookup tools below:

Lookup Bonded Contractors - plumbing, water conditioning and pipelayers

Lookup Personal Licenses/Certifications - plumbing, water conditioning, backflow, apprentices