New Hampshire contractor license renewal checklist

Domestic Appliance Technician (Domestic Appliance Technician)

State license · OPLC - Mechanical Licensing Board (Mechanical Safety and Licensing Board)

Deadline

License is valid for 2 years and expires on the last day of the month in which it was issued (Mec 402.01; RSA 310:8, II). Renewal must be filed online with the fee and CE proof on or before the expiration date, and not more than 60 days before it. OPLC sends a reminder at least 2 months ahead, but not receiving it does not excuse a late renewal.

Renewal cycle

Every 2 years

CE hours

6 hours

Renewal fee

About $176. Fees change. Check the official site for the exact amount.

Late fee

No separate monthly late fee. A renewal filed after expiration but within one year is processed as a reinstatement for the listed fee, which equals the renewal fee (Plc 1001.13; Plc 1002.25). Individual licenses expired 12 months or more pay a $350 reinstatement fee (Mec 501.05).

Grace period

None. A license not renewed by the expiration date is expired, and working on it is a violation of RSA 153:37 until it is reinstated (Mec 402.01).

Official link

https://forms.nh.gov/license/Login.aspx

Last verified

Oct 17, 2026, confidence high

Count the days to your deadline

Fuel Gas Fitter (Piping Installer / Installation Technician / Service Technician) (Fuel Gas Fitter)

State license · OPLC - Mechanical Licensing Board (Mechanical Safety and Licensing Board)

Deadline

License is valid for 2 years and expires on the last day of the month in which it was issued (Mec 402.01; RSA 310:8, II). Renewal must be filed online with the fee and CE proof on or before the expiration date, and not more than 60 days before it. OPLC sends a reminder at least 2 months ahead, but not receiving it does not excuse a late renewal.

Renewal cycle

Every 2 years

CE hours

6 hours

Renewal fee

About $198. Fees change. Check the official site for the exact amount.

Late fee

No separate monthly late fee. A renewal filed after expiration but within one year is processed as a reinstatement for the listed fee, which equals the renewal fee (Plc 1001.13; Plc 1002.25). Individual licenses expired 12 months or more pay a $350 reinstatement fee (Mec 501.05).

Grace period

None. A license not renewed by the expiration date is expired, and working on it is a violation of RSA 153:37 until it is reinstated (Mec 402.01).

Official link

https://forms.nh.gov/license/Login.aspx

Last verified

Oct 17, 2026, confidence high

Count the days to your deadline

Oil Heating Technician Certification (voluntary) (Oil Heating)

State registration · OPLC - Mechanical Licensing Board (Mechanical Safety and Licensing Board)

Deadline

License is valid for 2 years and expires on the last day of the month in which it was issued (Mec 402.01; RSA 310:8, II). Renewal must be filed online with the fee and CE proof on or before the expiration date, and not more than 60 days before it. OPLC sends a reminder at least 2 months ahead, but not receiving it does not excuse a late renewal.

Renewal cycle

Every 2 years

CE hours

Not required

Renewal fee

About $50. Fees change. Check the official site for the exact amount.

Late fee

No separate monthly late fee. A renewal filed after expiration but within one year is processed as a reinstatement for the listed fee, which equals the renewal fee (Plc 1001.13; Plc 1002.25). Individual licenses expired 12 months or more pay a $350 reinstatement fee (Mec 501.05).

Grace period

None. A license not renewed by the expiration date is expired, and working on it is a violation of RSA 153:37 until it is reinstated (Mec 402.01).

Official link

https://forms.nh.gov/license/Login.aspx

Last verified

Oct 17, 2026, confidence medium

Count the days to your deadline

Electrical Corporation or Partnership license (business entity) (Corporation/Partnership)

State license · Office of Professional Licensure and Certification (OPLC) - Electricians' Board

Deadline

License is valid for 2 years from the date of issuance and expires on the date shown on the license (RSA 310:8, II; Elec 401.01). A complete renewal application, fee and CE proof must be filed on or before the expiration date; the online portal accepts renewals no more than 60 days before expiration. OPLC emails a reminder at least 2 months before, but failure to receive it does not excuse late renewal.

Renewal cycle

Every 2 years

CE hours

Not required

Renewal fee

About $137. Fees change. Check the official site for the exact amount.

Late fee

No separate late fee: a renewal filed after expiration but within one year is processed as a reinstatement and the reinstatement fee equals the renewal fee (Plc 1001.13, Table 1002.13).

Grace period

None. A license expires if the complete renewal is not filed by the expiration date, and the holder may not work until it is reinstated.

Official link

https://forms.nh.gov/license/Login.aspx

Last verified

Oct 17, 2026, confidence medium

Count the days to your deadline

Journeyman Electrician (Journeyman)

State license · Office of Professional Licensure and Certification (OPLC) - Electricians' Board

Deadline

License is valid for 2 years from the date of issuance and expires on the date shown on the license (RSA 310:8, II; Elec 401.01). A complete renewal application, fee and CE proof must be filed on or before the expiration date; the online portal accepts renewals no more than 60 days before expiration. OPLC emails a reminder at least 2 months before, but failure to receive it does not excuse late renewal.

Renewal cycle

Every 2 years

CE hours

15 hours

Renewal fee

About $110. Fees change. Check the official site for the exact amount.

Late fee

No separate late fee: a renewal filed after expiration but within one year is processed as a reinstatement and the reinstatement fee equals the renewal fee (Plc 1001.13, Table 1002.13).

Grace period

None. A license expires if the complete renewal is not filed by the expiration date, and the holder may not work until it is reinstated.

Official link

https://forms.nh.gov/license/Login.aspx

Last verified

Oct 17, 2026, confidence high

Count the days to your deadline

Master Electrician (Master)

State license · Office of Professional Licensure and Certification (OPLC) - Electricians' Board

Deadline

License is valid for 2 years from the date of issuance and expires on the date shown on the license (RSA 310:8, II; Elec 401.01). A complete renewal application, fee and CE proof must be filed on or before the expiration date; the online portal accepts renewals no more than 60 days before expiration. OPLC emails a reminder at least 2 months before, but failure to receive it does not excuse late renewal.

Renewal cycle

Every 2 years

CE hours

15 hours

Renewal fee

About $198. Fees change. Check the official site for the exact amount.

Late fee

No separate late fee: a renewal filed after expiration but within one year is processed as a reinstatement and the reinstatement fee equals the renewal fee (Plc 1001.13, Table 1002.13).

Grace period

None. A license expires if the complete renewal is not filed by the expiration date, and the holder may not work until it is reinstated.

Official link

https://forms.nh.gov/license/Login.aspx

Last verified

Oct 17, 2026, confidence high

Count the days to your deadline

Journeyman Plumber (Journeyman Plumber)

State license · OPLC - Mechanical Licensing Board (Mechanical Safety and Licensing Board)

Deadline

License is valid for 2 years and expires on the last day of the month in which it was issued (Mec 402.01; RSA 310:8, II). Renewal must be filed online with the fee and CE proof on or before the expiration date, and not more than 60 days before it. OPLC sends a reminder at least 2 months ahead, but not receiving it does not excuse a late renewal.

Renewal cycle

Every 2 years

CE hours

6 hours

Renewal fee

About $198. Fees change. Check the official site for the exact amount.

Late fee

No separate monthly late fee. A renewal filed after expiration but within one year is processed as a reinstatement for the listed fee, which equals the renewal fee (Plc 1001.13; Plc 1002.25). Individual licenses expired 12 months or more pay a $350 reinstatement fee (Mec 501.05).

Grace period

None. A license not renewed by the expiration date is expired, and working on it is a violation of RSA 153:37 until it is reinstated (Mec 402.01).

Official link

https://forms.nh.gov/license/Login.aspx

Last verified

Oct 17, 2026, confidence high

Count the days to your deadline

Master Plumber (Master Plumber)

State license · OPLC - Mechanical Licensing Board (Mechanical Safety and Licensing Board)

Deadline

License is valid for 2 years and expires on the last day of the month in which it was issued (Mec 402.01; RSA 310:8, II). Renewal must be filed online with the fee and CE proof on or before the expiration date, and not more than 60 days before it. OPLC sends a reminder at least 2 months ahead, but not receiving it does not excuse a late renewal.

Renewal cycle

Every 2 years

CE hours

6 hours

Renewal fee

About $330. Fees change. Check the official site for the exact amount.

Late fee

No separate monthly late fee. A renewal filed after expiration but within one year is processed as a reinstatement for the listed fee, which equals the renewal fee (Plc 1001.13; Plc 1002.25). Individual licenses expired 12 months or more pay a $350 reinstatement fee (Mec 501.05).

Grace period

None. A license not renewed by the expiration date is expired, and working on it is a violation of RSA 153:37 until it is reinstated (Mec 402.01).

Official link

https://forms.nh.gov/license/Login.aspx

Last verified

Oct 17, 2026, confidence high

Count the days to your deadline

Mechanical Business Entity license (plumbing / fuel gas fitting business) (Business Entity)

State license · OPLC - Mechanical Licensing Board (Mechanical Safety and Licensing Board)

Deadline

Business entity license is valid for 2 years and expires on the last day of the month in which it was issued (Mec 402.02; RSA 310:8, II). Renewal must be filed online with the fee on or before the expiration date.

Renewal cycle

Every 2 years

CE hours

Not required

Renewal fee

About $275. Fees change. Check the official site for the exact amount.

Late fee

No separate monthly late fee. A renewal filed after expiration but within one year is processed as a reinstatement for the listed fee, which equals the renewal fee (Plc 1001.13; Plc 1002.25). Business entity licenses expired 12 months or more pay a $550 reinstatement fee (Mec 502.03).

Grace period

None. A license not renewed by the expiration date is expired, and working on it is a violation of RSA 153:37 until it is reinstated (Mec 402.01).

Official link

https://forms.nh.gov/license/Login.aspx

Last verified

Oct 17, 2026, confidence medium

Count the days to your deadline

Roofing contractor (no state license)

No license required

New Hampshire does not issue a state license for this work. Check with your city or county.

New Hampshire has no statewide license or registration for this trade; OPLC's list of licensing boards includes none for it. Work is regulated by local building departments (permits) and the consumer protection law (RSA 358-A). Businesses register with the NH Secretary of State. Some towns may require their own contractor registration.

Count the days to your deadline

Commercial Pesticide Applicator - Operational (for-hire employee applicator) (Operational)

State license · NH Department of Agriculture, Markets & Food - Division of Pesticide Control

Deadline

Commercial applicator licenses renew annually. A holder who has not renewed by June 1 of the renewal year must take the examination again (Pes 401.01(d)); confirm the expiration date printed on the license.

Renewal cycle

Every year

CE hours

12 hours

Renewal fee

About $60. Fees change. Check the official site for the exact amount.

Late fee

No late fee found; a license not renewed by June 1 requires re-examination.

Grace period

None; the license must be renewed before the annual deadline.

Insurance

For-hire applicators and firms must show financial responsibility: ground application bodily injury $50,000 per occurrence / $100,000 aggregate and property damage $50,000 per occurrence; aerial application $100,000 / $300,000 bodily injury and $100,000 property damage. Coverage includes products and completed operations/pollution (chemical) liability where available. Submit a signed declaration plus a certificate of insurance naming the Division as certificate holder with notice of cancellation (Pes 302.03). Not required for commercial applicators not for hire.

Official link

https://www.agriculture.nh.gov/farms-businesses/pesticides/pesticide-licensing

Last verified

Oct 17, 2026, confidence medium

Count the days to your deadline

Commercial Pesticide Applicator - Supervisory (for-hire; firm/branch registration also required) (Supervisory)

State license · NH Department of Agriculture, Markets & Food - Division of Pesticide Control

Deadline

Commercial applicator licenses renew annually. A holder who has not renewed by June 1 of the renewal year must take the examination again (Pes 401.01(d)); confirm the expiration date printed on the license.

Renewal cycle

Every year

CE hours

12 hours

Renewal fee

About $60. Fees change. Check the official site for the exact amount.

Late fee

No late fee found; a license not renewed by June 1 requires re-examination.

Grace period

None; the license must be renewed before the annual deadline.

Insurance

For-hire applicators and firms must show financial responsibility: ground application bodily injury $50,000 per occurrence / $100,000 aggregate and property damage $50,000 per occurrence; aerial application $100,000 / $300,000 bodily injury and $100,000 property damage. Coverage includes products and completed operations/pollution (chemical) liability where available. Submit a signed declaration plus a certificate of insurance naming the Division as certificate holder with notice of cancellation (Pes 302.03). Not required for commercial applicators not for hire.

Official link

https://www.agriculture.nh.gov/farms-businesses/pesticides/pesticide-licensing

Last verified

Oct 17, 2026, confidence high

Count the days to your deadline

General contractor / home improvement contractor (no state license)

No license required

New Hampshire does not issue a state license for this work. Check with your city or county.

New Hampshire has no statewide license or registration for this trade; OPLC's list of licensing boards includes none for it. Work is regulated by local building departments (permits) and the consumer protection law (RSA 358-A). Businesses register with the NH Secretary of State. Some towns may require their own contractor registration.

Count the days to your deadline