Therapy Assistant pay range
State of Washington · class code 310Q
- Class code
- 310Q
- Salary range
- 42
- Pay unit
- Year
- State
- Washington
- The State of Washington published pay range for Therapy Assistant is $45,924 to $61,332 per year.
- Washington State Office of Financial Management (OFM) keys this classification as class code 310Q.
- 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 42 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 | $45,924 | $47,004 | $48,048 | $49,296 | $50,412 | $51,600 | $52,872 | $54,204 | $55,596 | $56,952 | $58,392 | $59,760 | $61,332 |
| Monthly | $3,827 | $3,917 | $4,004 | $4,108 | $4,201 | $4,300 | $4,406 | $4,517 | $4,633 | $4,746 | $4,866 | $4,980 | $5,111 |
| Hourly | $21.99 | $22.51 | $23.01 | $23.61 | $24.14 | $24.71 | $25.32 | $25.96 | $26.63 | $27.28 | $27.97 | $28.62 | $29.37 |
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
Under the supervision of a licensed Occupational/Physical Therapist, or Physician, assists in evaluation, design and implementation of therapy services and treatments to patients with multiple or acute diagnoses; may instruct and evaluate/supervise Therapy Aides, students and/or volunteers.
Examples of the work
Completes data collection procedures such as interviews and evaluations with clients, review of records, general observations, and behavioral checklist; communicates data to the licensed Occupational or Physical Therapist; evaluates and assesses need for licensed Occupational Therapist/Physical Therapist evaluation; Performs treatments for patients with multiple or acute problems in the areas of daily living, sensory motor, cognitive and psychosocial skills; encourages patient independence; maintains progress notes and reports; Tracks need for reassessment and reports changes in client status that might warrant reassessment of referral; recognizes and reports to Occupational/Physical Therapi ...
Minimum qualifications
Depending on the specialty: Certification as an Occupational Therapy Assistant by the American Occupational Therapy Association and licensed by the State of Washington as an Occupational Therapy Assistant. OR Completion of an Associate Degree program as a Physical Therapy Assistant from an approved school or graduation from an approved school of Physical Therapy and eligible for licensure as a Physical Therapist.
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
Therapy Assistant in other states
| State | Minimum | Maximum | Per year at full time |
|---|---|---|---|
| Delaware | $37,528 | $56,292 | $37,528 to $56,292 |
| Mississippi | $40,286 | $70,801 | $40,286 to $70,801 |
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.