Occupational Therapy Assistant 1 pay range
State of Washington · class code 310H
- Class code
- 310H
- Salary range
- 39
- Pay unit
- Year
- State
- Washington
- The State of Washington published pay range for Occupational Therapy Assistant 1 is $42,780 to $56,952 per year.
- Washington State Office of Financial Management (OFM) keys this classification as class code 310H.
- 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 39 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 | $42,780 | $43,836 | $44,856 | $45,924 | $47,004 | $48,048 | $49,296 | $50,412 | $51,600 | $52,872 | $54,204 | $55,596 | $56,952 |
| Monthly | $3,565 | $3,653 | $3,738 | $3,827 | $3,917 | $4,004 | $4,108 | $4,201 | $4,300 | $4,406 | $4,517 | $4,633 | $4,746 |
| Hourly | $20.49 | $20.99 | $21.48 | $21.99 | $22.51 | $23.01 | $23.61 | $24.14 | $24.71 | $25.32 | $25.96 | $26.63 | $27.28 |
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
Assists occupational therapists to evaluate patients through observing, testing, and measuring. Under the supervision of an occupational therapist, plans, implements, and documents treatment plans for patients. Performs administrative and clerical tasks.
Examples of the work
Assists occupational therapist with the patient assessment process; prepares patients and environment for treatment; Implements treatment; motivates and encourages the patient toward independence in activities of daily living; Facilitates or Co-facilitates occupational therapy groups; Monitors and reports patient's response to treatment; modify treatment as directed; Assists in therapeutic adaptation and/or fabricate equipment and orthotics; Reports patient progress and schedule assigned patients; Documents patient progress; maintains services related records; Maintains supplies and therapeutic equipment in a clean, safe working environment; Participates in orienting students, interns, and v ...
Minimum qualifications
Graduate of an accredited educational program for occupational therapy assistants AND Successful completion of the National Board for Certification in occupational therapy (NBCOT) occupational therapy assistant certification examination AND Active Washington state license, or license eligible to practice as an occupational therapy assistant. Physical ability to move patients and equipment. Equivalent education/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
Occupational Therapy Assistant 1 in other states
| State | Minimum | Maximum | Per year at full time |
|---|---|---|---|
| Louisiana | $39,000 | $70,262 | $39,000 to $70,262 |
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.