The Certification Unit is responsible for licensing private detectives and Watch, Guard, or Patrol agencies, appointing Special State Police, and conducting various background investigations for police-related agencies.
- This page, Certification Unit, is offered by
- Massachusetts State Police
Note: Completion of the Private Investigator & Watch Guard License Form is required for all original and renewal private investigator or watch guard applications.
Contact Information
Address
485 Maple Street, Danvers, MA 01923
Online
Law Enforcement Requests
Email Certification Unit at mspcertification@pol.state.ma.us
Private Investigators and Watch Guard Agencies
Email Certification Unit at PI-WG-Admin@massmail.state.ma.us
Fax
(978) 538-6021
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