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How to become a private investigator in Connecticut

Connecticut private investigators are licensed by the Department of Emergency Services and Public Protection (DESPP), Special Licensing and Firearms Unit. Here is what it takes to work as a licensed private investigator in Connecticut, from official sources checked November 4, 2026.

Who can become a private investigator in Connecticut?

Connecticut private investigator license requirements

State licenseYes. Connecticut licenses private detectives. Investigators who work for a licensed agency must be registered with DESPP by their employer.
Licensed byDepartment of Emergency Services and Public Protection (DESPP), Special Licensing and Firearms Unit
License namePrivate Detective License (employees: Private Investigator registration)
Education or trainingHigh school diploma or equivalent. Approved coursework may substitute for up to one year of experience.
Experience5 years full-time as a licensed detective, registered investigator or government investigator, or 10 years as a police officer (needed for your own license; not for agency employees).
ExamNo written exam is listed; an oral interview is part of the background process.
License term2 years.

How much does it cost?

Individual private detective license, initial (2 years)$1,450.00
Individual private detective renewal (2 years)$625.00
Employee investigator registration (one-time, per employee)$40.00

Fees as listed by the state. Schools, courses, exam prep, insurance and equipment cost extra and vary by provider.

Steps to become a private investigator in Connecticut

  1. Option A: get hired by a licensed agency, which registers you with DESPP ($40 plus background checks)
  2. Option B (own license): build 5 years of qualifying experience
  3. Complete and notarize form DPS-366-C
  4. Get fingerprinted through FLEXCHECK and gather photos, driving record, credit report, education and citizenship proof
  5. Have four character reference letters sent to DESPP
  6. Post the bond and insurance, then complete the oral interview
  7. Pay the $1,450 license fee and renew every 2 years

Apply on the official Connecticut site

How do you check a private investigator's license in Connecticut?

Questions people ask

Do you need a license to be a private investigator in Connecticut?

Yes. Connecticut requires a Private Detective License (employees: Private Investigator registration) from the Department of Emergency Services and Public Protection (DESPP), Special Licensing and Firearms Unit.

How much does a private investigator license cost in Connecticut?

The fees the state lists include individual private detective license, initial (2 years) $1,450.00, individual private detective renewal (2 years) $625.00, employee investigator registration (one-time, per employee) $40.00. Schools, courses, exam prep and insurance cost extra and vary by provider.

How long does a private investigator license last in Connecticut?

2 years.

How to become a private investigator in other states

Sources: https://portal.ct.gov/despp/knowledge-base/articles/frequently-asked-questions/slfu/private-detectives · https://www.cga.ct.gov/current/pub/chap_534.htm. Expert Helper is not a government agency; rules change, so confirm with the state before you apply.