Minnesota renewal guide
State Plumbing Contractor License
If this license is up for renewal, this page gives you the fee, the timeline, and the items that usually hold the filing up.
Start here
What matters before you file.
Check the fee, the renewal window, and the documents or insurance records that can slow approval down.
Issuing authority
Renewal period
Every 24 months
Renewal fee
$188.00
Late penalty
$90.00
Bond requirement
Yes — $25,000.00
Insurance requirement
Yes — General Liability, Workers' Compensation
Continuing education
16 hours
Before you renew
Get the filing straight.
- 1
Finish the CE first
Complete the 16 required hours before you start the renewal.
- 2
Make sure the bond still clears
The $25,000.00 bond requirement needs to stay active through the renewal.
- 3
Check the insurance certificates
Make sure the required policies are current and match what the board or agency expects before you file.
- 4
File with the board
File through Minnesota Department of Labor and Industry (DLI) and pay the $188.00 renewal fee once the supporting proof is ready.
Renew online - 5
Leave room for processing
Typical processing time is 30 days, so do not wait until the last minute.
If you miss the deadline, the late penalty is $90.00, with a 30-day grace period.
Detailed notes
The fine print is here.
Minnesota State Plumbing Contractor License
The Minnesota DLI licenses plumbing contractors statewide. A contractor license is required for any business performing plumbing installations or alterations.
Requirements
- Experience: Must hold a master plumber license or employ a licensed master plumber
- Examination: Must pass the plumbing contractor exam
- Insurance: General liability and workers' compensation required
- Surety Bond: $25,000 surety bond required
- Application Fee: $188
Continuing Education
- Hours: 16 hours per renewal cycle (every 2 years)
- Topics: Minnesota plumbing code updates, water heater safety, and backflow prevention
- Providers: Approved by DLI
Renewal Information
- Renewal Period: Every 2 years
- Renewal Fee: $188
- Late Penalty: $90 within 30-day grace period
- CE Requirement: Must complete 16 CE hours before renewal
Scope of Work
Covers all plumbing installations, alterations, and repairs including water supply, drainage, gas piping, and medical gas systems throughout Minnesota.
*Disclaimer: This information is provided for general reference only and does not constitute legal advice. Always verify current requirements directly with the Minnesota DLI.*
Official links
Check the board or agency directly.
Required documents
- Proof of Insurance
- Examination Results
- Experience Documentation
- government_issued_id
- surety_bond
Source notes
Minnesota Department of Labor and Industry (DLI) . Corrected March 2026 ($188 fees, $90 late, $25K bond per DLI licensing basics page).
Rules move. Check Minnesota Department of Labor and Industry (DLI) again before you pay, renew, or schedule work around this requirement.
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Next steps
Turn it into a handoff.
Once the rule is clear, these tools help you hand it off cleanly or turn it into a cost plan.
Printable checklist
Minnesota checklist
Use the checklist when you need the board link, required documents, and renewal notes in one handoff.
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Keep State Plumbing Contractor License dates, proof, and official links with the rest of your license work.