Tennessee renewal guide
Mechanical 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
$200.00
Late penalty
$20.00
Bond requirement
Yes — $500,000.00
Insurance requirement
Yes — General Liability, Workers' Compensation
Before you renew
Get the filing straight.
- 1
Make sure the bond still clears
The $500,000.00 bond requirement needs to stay active through the renewal.
- 2
Check the insurance certificates
Make sure the required policies are current and match what the board or agency expects before you file.
- 3
File with the board
File through Tennessee Board for Licensing Contractors (TBLC) and pay the $200.00 renewal fee once the supporting proof is ready.
Renew online - 4
Leave room for processing
Typical processing time is 45 days, so do not wait until the last minute.
If you miss the deadline, the late penalty is $20.00, with a 30-day grace period.
Detailed notes
The fine print is here.
Tennessee Mechanical Contractor License
The Tennessee Board for Licensing Contractors (TBLC) licenses mechanical contractors for work on mechanical systems including piping, process equipment, and industrial mechanical installations.
Requirements
- Experience: Documented mechanical trade experience
- Examination: Must pass the TBLC mechanical trade and business exam
- Bond: $500,000 surety bond required
- Insurance: General liability and workers' compensation insurance
- Application Fee: $250
Renewal Information
- Renewal Period: Every 2 years (biennial)
- Renewal Fee: $200
- Continuing Education: Not required for mechanical contractors
- Late Penalty: $20 per month within 30-day grace period
Scope of Work
Mechanical contractors can install, maintain, and repair mechanical systems including process piping, industrial equipment, and building mechanical systems that fall outside HVAC and plumbing classifications.
Distinction from HVAC
While HVAC contractors focus on heating and cooling systems, mechanical contractors handle broader mechanical installations including industrial piping, boilers, and process equipment.
*Disclaimer: This information is provided for general reference only and does not constitute legal advice. Always verify current requirements directly with the TBLC.*
Official links
Check the board or agency directly.
Required documents
- Proof of Insurance
- surety_bond
- Examination Results
- Experience Documentation
- government_issued_id
Source notes
Tennessee Board for Licensing Contractors (TBLC) . Corrected March 2026 (biennial $200, $250 app, $500K bond, no CE per TBLC fee schedule).
Rules move. Check Tennessee Board for Licensing Contractors (TBLC) again before you pay, renew, or schedule work around this requirement.
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Next steps
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Printable checklist
Tennessee checklist
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