Investigator 4 pay range
State of Washington · class code 427S
- Class code
- 427S
- Salary range
- 62
- Pay unit
- Year
- State
- Washington
- The State of Washington published pay range for Investigator 4 is $74,748 to $100,488 per year.
- Washington State Office of Financial Management (OFM) keys this classification as class code 427S.
- This is the range the plan authorises, not the salary of any individual employee.
Step progression
Washington State Office of Financial Management (OFM) assigns this class to salary range 62 in the General Service Salary Schedule. The range pays 13 steps; a step is normally earned on a periodic increment date, not negotiated.
| Basis | A | B | C | D | E | F | G | H | I | J | K | L | M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Annual | $74,748 | $76,608 | $78,504 | $80,496 | $82,440 | $84,528 | $86,688 | $88,788 | $91,104 | $93,288 | $95,676 | $98,064 | $100,488 |
| Monthly | $6,229 | $6,384 | $6,542 | $6,708 | $6,870 | $7,044 | $7,224 | $7,399 | $7,592 | $7,774 | $7,973 | $8,172 | $8,374 |
| Hourly | $35.80 | $36.69 | $37.60 | $38.55 | $39.48 | $40.48 | $41.52 | $42.52 | $43.63 | $44.68 | $45.82 | $46.97 | $48.13 |
Steps as published. The monthly and hourly rows are the state's own, not conversions of the annual row.
Class specification
The OFM classified job specification for this class is published by Washington State Office of Financial Management (OFM). The passages below are quoted from it as published, not paraphrased, and cut to their opening sentences; the full specification is the authority on duties and qualifications.
What the state says the job is
Directs a statewide program of investigations for an agency with responsibility for planning, developing, implementing, and directing all investigative policies, procedures and activities statewide. Positions provide expert guidance and consultation to top-level managers, agency investigative teams, legal counsel and public and private entities within assigned program area.
Examples of the work
Interacts and investigates vulnerable adult/child abuse, sexual assault, homicides, rapes and other violent crimes, sexually violent predator offenses and incarcerated individuals; Develops, implements and administers statewide investigations of internet fraud regarding public benefits; Provides quality assurance, improvement and oversight of investigative programs; Develops policies, procedures, controls and administrative systems pertaining to investigative activities and issues appropriate directives and memorandums; Directs implementation of new methods and revised techniques for investigations; Consults with and provides expert advice to legal counsel, public and private employer, speci ...
Minimum qualifications
Four years of experience as an Investigator 3 and at least one year of supervisory experience. OR Six years of experience as an investigator with a criminal justice government agency or private organization, or other directly allied field, four years must include field experience. OR Five years of experience conducting case analysis, pre-sentence investigations or criminal investigations for a criminal justice agency, court or a quasi-judicial body, three years must include providing case management of individuals convicted of felony crimes. Note: Two years of related college-level course work may be substituted for one year of experience.
Quoted from the OFM classified job specification, read 2026-10-21.
Where this comes from
Washington State Office of Financial Management (OFM) publishes this figure in Classified Job Listing joined to the OFM salary schedules effective July 1, 2026. Every number on this page is read from that document; nothing is estimated, modelled or averaged.
The dollar figures come from the salary schedule the listing assigns this range to.
Nearby classes in Washington
Investigator 4 in other states
| State | Minimum | Maximum | Per year at full time |
|---|---|---|---|
| Iowa | $61,755 | $94,037 | $61,755 to $94,037 |
Each state publishes its own range for a classification with this exact title. Duties, grade structures and bargaining units differ between states, so read each class page before comparing.