How To Get a Private Investigator License in Delaware


This article explains how to get a private investigator license in Delaware. The article includes a list of general requirements, an overview of the licensing application process, and contact information for the state licensing authority. In addition, it contains recommendations for joining a state private investigation association and training recommendations.

The Delaware State Police regulates private investigative and security agencies, alarm companies, constables, bail enforcement agents, etc. The Delaware State Police defines a private investigator as “any person who engages in the business or accepts employment to obtain or furnish information to conduct investigations.”

The Delaware State Police website describes the licensing application process, the fees required, a list of helpful FAQs, and the criteria for obtaining a private investigator license. The website is the best place to get information, forms, contact information, etc.

The process to Get a Private Investigator License in Delaware

Before beginning the application process, please note that applicants must be 21 years or older and working for a licensed private investigation agency in the State of Delaware. The process to get a private investigator license in Delaware is as follows:

1Get Fingerprints and Pictures

First, visit one of the following locations to get fingerprinted and have your picture taken:

State Bureau of Identification655 South Bay Road, Suite 1B, Dover, DE 19901

The Delaware State Bureau of Identification is open Monday through Friday from 8:30 AM to 3:30 PM. No appointment is necessary.

Delaware State Police: Troop 2
100 Lagrange Ave, Newark, DE 19702

This location is available by appointment only. To schedule an appointment, call 302-739-2528.

2Complete and Submit an Application

Next, you must complete and apply. You can also pick up a physical copy of the application at the above locations.

3Pay the Application Fee

Pay the non-refundable application fee of $85.00. You can pay the licensing application fee in cash, certified check, Visa, Master Card, Discover, company check, or money order. The DSP does not accept personal checks or American Express credit cards.

Additional Information

The application process to get a private investigator license in Delaware takes at least two weeks. If and when your application is approved, ID cards will be mailed to the address listed.

If you need to contact the Special Licensing section of the DSP for any reason, their contact information is as follows:

Phone: 302-739-5991
Fax: 302-739-5888
Mailing Address:
Professional Licensing Section, P.O. Box 430, Dover, DE 19903

Note: Other special licensing requirements such as education requirements, experience requirements, examinations, and insurance may be required. Check the state licensing website for the most up-to-date list of requirements and more information.


Delaware does not have reciprocity agreements with any other states. You must apply for a Delaware license to work as a private investigator.

Delaware Private Investigator Associations

Join the state’s investigator association, the Delaware Association of Detective Agencies (DADA), to network with others in the industry.

List of Existing Private Investigation Agencies in Delaware

View a list of private investigation agencies in Delaware to find an agency to sponsor you as a beginning private investigator.

Additional Information

Private Investigator Training Resources – Improve your chances of getting licensed by completing a degree program, training course, or home study course. Learn what options are available to get the investigation knowledge necessary to get licensed.

The Private Investigator’s Licensing Handbook: How to Get a Private Investigator License in any State
The Private Investigator’s Licensing Handbook: How to Get a Private Investigator License in any State
Considering a career as a private investigator? Dive into this book to explore services offered, learn about the work environment, career prospects, and salaries. Discover state-specific licensing requirements, training resources, and industry associations. Already a PI? Use it to learn about licensing in other states. Also, agencies can guide new hires through the licensing process. This edition includes enhanced training recommendations, suggestions for starting a new business chapter, and updated state info. It’s your essential starting point on the path to becoming a private investigator.

If you have any questions about how to get a private investigator license in Delaware, please post them in the comments section below.

Michael Kissiah is the owner of Brandy Lane Publishing, LLC, which owns and operates a small portfolio of websites, including Michael created more than 20 years ago after working as a private investigator in the state of Florida. Since that time, he has become an expert at how to find information online and has written over 1000 articles on topics related to the investigation industry. In addition, he is the author of the "Private Investigator Licensing Handbook", available at


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