Private Investigator states
51
Below median
Occupational licensing · Legal & Security · 51 state boards
Private Investigator licensing rules differ by state. According to the National Conference of State Legislatures (NCSL) compilation and responsible state boards (current as of May 15, 2026), this registry compares education hours, initial and renewal fees, exams, background checks and reciprocity notes across 51 boards. Use the table to compare differences, then verify the current rule with the responsible board before applying.
Private Investigator across 51 state boards. Nearest coverage peers (51-state band): Armed Security Guard, Court Reporter / Stenographer, Notary Public.
Private Investigator: 51 boards · ~2,777 avg pre-licensure hrs · exam on 100% · background check on 100% · avg first fee $211. Same-lane boards: Armed Security Guard, Court Reporter / Stenographer, Notary Public.
Private Investigator vs. every tracked profession
Average confirmed pre-licensure education hours, board-sourced state requirements
2,777 18th of 47 higher than 29 of 47 professions
professions with confirmed education-hour requirements, bucketed by value
Each bar is a band; taller bars hold more professions. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source PlainCredential NCSL and state-board corpus · 2026
Conducts investigations for private clients and attorneys.
Private Investigator initial fees swing $50 (NH) to $395 (CA), a $345 spread across 51 boards ; Armed Security Guard often lands on a different fee band.
Board thresholds for Private Investigator drift board-to-board; the same pattern shows up on Armed Security Guard and Court Reporter / Stenographer in legal & security. Methodology notes live on our methods page.
Private Investigator states
51
Below median
Private Investigator edu hrs
2,777 hrs
Above median
Private Investigator first fee
$211
Top quartile, highest
Private Investigator renewal
$188
Top quartile, highest
Board gates for Private Investigator: exam on 51/51 (100%), background check on 51/51 (100%) , most boards skip mandated CE hours . Stack that against Armed Security Guard / Court Reporter / Stenographer before calling this license soft or hard.
A $345 fee spread for the same credential
Initial licensing fees in New Hampshire ($ 50) and California ($ 395) bracket the field, a 7.9× spread for identical practice rights.
NH
CA
What to do with this
Private Investigator is regulated in 51 states -- here's how to use that before you act.
Requirements are compiled from NCSL and Institute for Justice research and verified against state board sites where possible; always confirm current rules with the licensing board before relying on any single row.
Every figure on PlainCredential is rendered directly from NCSL and state occupational- licensing board data, no number is typed in by an editor. Private Investigator requirements from NCSL and state board schedules: 51 rows, no hand-typed figures. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.