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Occupational Therapy Assistant
Total cost: $639 (if fingerprint cards used: $50 application + $540 NBCOT exam + $49 fingerprint = $639)
Some details on this page are not yet confirmed against an official source. See sources below or contact the licensing board to verify.
COTA
Credential
Required
NBCOT Exam
Required
Supervision
1 OT may supervise up to 3 OTAs concurrently
Supervision Ratio
24 hrs
CE Hours
$639 (if fingerprint cards used: $50 application + $540 NBCOT exam + $49 fingerprint = $639)
Total Initial Fees
ACOTE-Accredited Education
VerifiedDegree Required
Associate's degree from ACOTE-accredited OTA program
ACOTE Accredited
Required
Program Length
2 years (Associate's degree)
Fieldwork Requirement
Level II fieldwork - minimum 24 weeks of supervised occupational therapy work experience
Accepted Alternatives
OTAs must graduate from an ACOTE-accredited (Accreditation Council for Occupational Therapy Education) associate’s degree program that includes Level II fieldwork. Some states may accept foreign-educated applicants who meet equivalent standards.
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National Certification Exam
VerifiedRequired
NBCOT COTA Exam
Administered By
National Board for Certification in Occupational Therapy (NBCOT)
190
Questions
4 hrs
Time Limit
Scaled score of 450 or higher
Passing Score
$540
Exam Fee
Format: Computer-based; 190 questions (multiple-choice + multi-select); 4 hours. Scoring: scaled 300-600, pass = 450. Provider: Pearson VUE.
The NBCOT (National Board for Certification in Occupational Therapy) COTA exam is the national certification examination for occupational therapy assistants. Most states require passing this exam for initial licensure.
Overall licensing difficulty: 13/100
Study recommendation: 1–2 weeks of focused review is usually sufficient
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OTR/L Supervision
VerifiedSupervision by OTR/L Required
Supervisor Credential
Licensed Occupational Therapist (OT)
Supervision Ratio
1 OT may supervise up to 3 OTAs concurrently
Supervision Type
General supervision with weekly review required
Initial Supervision Period
Weekly review and inspection of all aspects of OT services by the supervising OT
Ongoing Requirements
Weekly review and inspection of all aspects of OT services; periodic on-site supervision and observation of assigned client care
OTAs must practice under the supervision of a licensed and registered occupational therapist (OTR/L). Supervision ratios, types (direct, general, routine), and frequency requirements vary by state.
OTA Practice Scope
VerifiedPermitted Activities
Restricted Activities (OTR/L Only)
Supervision Level for Tasks
Routine tasks under general supervision with weekly review; complex or new interventions require direct supervision
OTAs implement treatment plans under OTR/L supervision. They may perform treatment implementation, documentation, and patient education, but evaluation, treatment planning, and discharge planning are typically reserved for the supervising OTR/L.
| Fee | Amount |
|---|---|
Application Fee | $150 |
NBCOT Exam Fee Paid directly to NBCOT | $540 |
License Fee Included in application fee | $50 |
Renewal Fee | $150 |
NBCOT Renewal Fee Online renewal every 3 years to maintain NBCOT certification | $65 (online renewal) |
Total Initial Fees Includes application fee ($50), fingerprint fee ($49), and NBCOT exam ($540) | $639 (if fingerprint cards used: $50 application + $540 NBCOT exam + $49 fingerprint = $639) |
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Renewal & CE Requirements
Verified2 years
Renewal Period
24 hrs
CE Hours Required
No
NBCOT Renewal
CE Topics
Renewal Fee
$100
Regulatory Board
OTA licenses must be renewed on schedule. Most states require continuing education covering occupational therapy practice, ethics, and specialized topics. Some states also require maintaining NBCOT certification.
Out-of-State Reciprocity
VerifiedAccepts Out-of-State Credentials
OT Compact Member
No
Endorsement Available
Yes
Compact Details
OT Compact is ACTIVE and partially operational. Covers both OTs and OTAs. Live states accepting applications as of early 2026: IN (Mar 9, 2026), MN, OH, WV (Jan 12, 2026). Apply through otcompact.gov (not state boards).
Reciprocity Type
Endorsement
Additional Requirements for Transfer
The Occupational Therapy Licensure Compact (OT Compact) allows OTAs to practice across member states with a compact privilege. Non-compact states may accept out-of-state credentials through endorsement or require a full application.
Moving to another state? Use our Transfer Tool to see what you need →
Compare California with other states →
See how requirements, costs, and timelines differ across all 50 states.
California uses the title 'Certified Occupational Therapy Assistant' (COTA) and requires 24 weeks of fieldwork experience, longer than the typical 16 weeks in most states. An OT may supervise a maximum of 3 COTAs concurrently. California requires a $49 fingerprinting fee in addition to the $50 application fee. The state uses Professional Development Units (PDUs) rather than traditional CE hours.
California uses the title 'Certified Occupational Therapy Assistant' (COTA), not just OTA.
The California Board of Occupational Therapy falls under the Department of Consumer Affairs.
An OT may supervise no more than 3 COTAs concurrently.
Weekly review and inspection of all OT services by the supervising OT is required.
California is NOT a member of the OT Licensure Compact.
California requires 24 Professional Development Units (PDUs) per 2-year renewal cycle.
California requires 24 weeks of fieldwork, longer than most states.
OTA requirements in nearby states
See how California compares: OTA License Fees by State — Cheapest to Most Expensive →
California is not currently a member of the Occupational Therapy Licensure Compact. OTA licensees must apply through standard reciprocity or endorsement. See which states are in the OT Compact →
Related Guides
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OTA Schools in California
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Moving to California? Use our free Transfer Tool to see what you need →
Already licensed elsewhere? See how to transfer your OTA license to California →
California requires the NBCOT COTA exam for occupational therapy assistants. OTAs must practice under Licensed Occupational Therapist (OT) supervision. All licensing is managed through the California Board of Occupational Therapy (CBOT).
Requirements vary by state. Always verify current requirements with your state licensing authority.