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License Verification for OPSI
License Verification for Division of Standards
Weights & Measures Licensing

Welcome to the licensing portal for the Division of Standards. From this site, you can apply for a new license, renew an existing license, request a duplicate, or update your contact information.

This site is no longer used for the Office of Public Safety and Inspections (OPSI).

First-time Users
First-time users must create a UserID and Password: Click Here
  • Antifreeze
  • Auctioneer
  • Auto Glass Shop
  • Auto Retail Shop
  • Hawker / Peddler
  • Special Hawker / Peddler (Disabled Military Veteran or Certified Blind)
  • Motor Fuel
  • Promoter
  • Scanner Waiver
  • Transient Vendor
Returning Users

If you have already registered, enter your User ID and password.

User Id:
Password:

Please be advised that information that you provide to the Division of Standards is a public record unless exempt from the Massachusetts Public Records Law pursuant to M.G.L. c. 4, Sections 7(26).

Forgot Password
Click here reset your password
Weights and Measures

For Weights and Measures Inspector applications and licenses: Click Here
License Renewals Available Online

  • Construction Supervisor
  • Hoisting / Hydraulic
  • Refrigeration Technician


  • Online User Requirements

  • Have the ability to upload all supporting documents required for your license.
    - Scanned documents MUST NOT be larger than 3 MB in size.
    - ID Photos MUST meet US Passport 2" x 2" photo specifications.
  • Pay using a Credit / Debit Card or funds transfer from a bank account.


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