- This page, Apply for or renew a private investigator or watch guard license, is offered by
- Massachusetts State Police
Apply for or renew a private investigator or watch guard license
Contacts
Certification Unit
Online
The Details
What you need
To apply for or renew a Private Investigator or Watch Guard license, you must complete both of the following steps:
- Complete the Private Investigator & Watch Guard License Form. This form is required for all original and renewal applications.
- Before you start this form, make sure you have the following information and documents ready:
- Your PI/WG License Number (for renewals).
- Your date of birth and full legal name.
- Before you start this form, make sure you have the following information and documents ready:
- Log into the Certification Licensing System. You must sign in or create an account to submit your application.
If applying for a Private Investigator (PI) license, you will need:
- Details of your work experience, including:
- The agencies or companies where you gained investigative experience.
- Dates of employment and job roles.
- Any law enforcement or military experience (if applicable).
For both PI and WG licenses, provide:
- Information about any previous or current private investigator or security-related licenses, including:
- License numbers and issuing states/jurisdictions.
- Any disciplinary actions or license revocations.
- Details on any prior criminal convictions, including:
- Felonies.
- Crimes involving dishonesty, fraud, personal violence, or moral turpitude.
- Any history of employment termination, resignations to avoid discipline, or administrative actions.
- Any history of civil judgments for incompetence, negligence, or malpractice.
- Information about your mental health history, including prior hospitalizations or treatments (if applicable).
Note: Investigative experience is not required for a Watch Guard (WG) license.
Fees
Name | Fee | Unit |
---|---|---|
Application Fee for Private Investigator License | $550 | each |
How to apply
Most of the application process is completed through the Private Investigator & Watch Guard License Form. After completing the form, you must also log into the Certification Licensing System to submit your application.
For any additional questions throughout the process, please contact the Certification Unit at (978) 538-6128.