Who must be licensed to practice ABA in Washington, and how do you get credentialed?

Is ABA licensed in Washington, and under which agency

Yes. Washington licenses behavior analysts and assistant behavior analysts, and certifies behavior technicians, under Chapter 18.380 RCW, enacted by 2015 c 118 with most substantive provisions effective July 1, 2017 (RCW 18.380; Session Laws note following RCW 18.380.010). The distinctive feature is the regulator: Washington runs this credential, like most of its behavioral-health professions, directly through the Department of Health rather than through an independent board or a psychology-board structure. A five-member Washington State Applied Behavior Analysis Advisory Committee exists within DOH, made up of licensed behavior analysts, a licensed assistant behavior analyst, and a public member, and advises the Department rather than issuing licenses itself (RCW 18.380.040).

The credential tiers: LBA, LABA, and CBT

Washington licenses or certifies three tiers, more than most states in this guide.

The CBT tier is the wrinkle worth flagging: unlike most states in this guide, where the technician-level credential is simply the national BACB Registered Behavior Technician recognized informally, Washington makes behavior-technician certification itself a state credential issued and tracked by DOH, requiring a training-program attestation from a supervisor submitted directly to the Department (DOH Applied Behavior Analysis licensing-information page).

Two paths to licensure: BACB certification or Washington's own standard

An applicant for the LBA may qualify by holding current BACB certification as a Board Certified Behavior Analyst, which is accepted in lieu of separately documenting education, experience, and examination, or by meeting Washington's own standard directly, a master's or doctoral degree in behavior analysis or a related field plus specified graduate coursework hours in behavior analysis (RCW 18.380.050; WAC 246-805). The LABA tier similarly accepts BACB BCaBA certification or a bachelor's degree plus the state's own defined coursework hours. Washington's rule also allows other national accredited professional credentialing entities to qualify, provided their certifications and registrations meet or exceed the qualifications for licensure set in RCW 18.380.050(1) and the entity is approved by the Department under WAC 246-805 (WAC 246-805, national accredited professional credentialing entity provisions).

What it takes to get licensed

A credentialing specialist verifies that the application is complete and complies with Chapter 18.380 RCW and Chapter 246-805 WAC, confirms education directly from the issuing school, and completes a background check, which may include a fingerprint-based check with the Washington State Patrol and the FBI (DOH Applied Behavior Analysis licensing-information page). Supervised experience requirements apply to the LBA and LABA tiers, and the CBT tier requires a training-program form submitted directly by the applicant's training supervisor. Routine, complete applications are approved by credentialing supervisors or lead workers; applications the credentialing specialist cannot fully verify go to the disciplining authority for further review, with a hearing available to an applicant who is denied.

Title protection, scope, and the licensed-professional exemption

Except as provided in the statute's exemptions, no person may engage in the practice of applied behavior analysis without a license or temporary license, no person may represent themselves as a licensed behavior analyst or licensed assistant behavior analyst without the license, and no person may practice as a certified behavior technician without that certification (RCW 18.380.020). Washington exempts licensed psychologists and licensed mental health counselors, marriage and family therapists, and social workers from needing a separate ABA credential to provide ABA, so long as the service falls within that profession's existing scope of practice and the professional has the training, education, or competency to provide it (RCW 18.380.030; DOH ABA FAQ). That exemption tracks the same professional-scope logic seen in several other states in this guide, letting an already-licensed clinician provide ABA without a second, separate Washington credential.

Supervision rules

A Licensed Assistant Behavior Analyst practices under the supervision of a Licensed Behavior Analyst or a licensed psychologist, and a Certified Behavior Technician practices under supervision consistent with the Department-approved training program that qualified them for certification (RCW 18.380; WAC 246-805, definitions and supervision provisions). WAC 246-805-010 separately defines the supervisor role for LBAs, LABA trainees, and CBT trainees obtaining supervised experience toward each tier, distinguishing supervision during the credentialing process itself from ongoing supervision of a certified or licensed practitioner.

Renewal, fees, and continuing education

Every Washington ABA credential expires on the holder's birthday and must be renewed every two years on or before that date; a credential issued within ninety days of the birthday does not expire until the following birthday (DOH Applied Behavior Analysis licensing-information page; WAC 246-12-030). Under the Department's fee schedule at WAC 246-805-990, the LBA application and initial license is $250 with a $350 active renewal, the LABA application and initial license is $160 with a $175 active renewal, and CBT original application and initial certification is $95 with a $150 active renewal, each carrying its own late-renewal penalty. Beyond the credential's own continuing-education requirements, Washington layers a state-specific obligation on top: two hours of health-equity continuing education are required every four years, in addition to standard continuing-education hours (DOH Applied Behavior Analysis continuing-education page).

Getting credentialed with payors

Licensure lets you practice; credentialing lets you bill, and Washington keeps them separate like the other states in this guide. After licensure or certification, a provider or practice enrolls with Washington Apple Health, the state's Medicaid program, and credentials separately with commercial plans, typically via CAQH. As elsewhere, the billing entity and its ownership are disclosed during payor enrollment, connecting licensing to the entity and ownership pillars of this guide.

Washington-specific wrinkles

Three features stand out. First, the Department-run structure, rather than an independent board, means Washington's ABA credential shares administrative machinery, forms, background-check procedures, and renewal mechanics, with the rest of DOH's licensed professions, which can make Washington's process feel more standardized and less bespoke than a dedicated-board state. Second, the three-tier system with a state-certified technician level is genuinely distinctive; a practice moving RBTs from another state into Washington needs to separately obtain Washington CBT certification, since the national RBT credential alone does not substitute for it. Third, the added health-equity continuing-education requirement is easy to miss because it sits outside the credential's main CE cycle and is calculated on its own four-year schedule.

How licensing connects to the rest of your compliance stack

The license is the credential the rest of the structure is built around:

• Entity and ownership. Washington's professional entity statutes are elective, but its Supreme Court states the corporate-practice doctrine as forbidding any business entity from practicing a licensed profession through employees absent legislative authorization, and the licensee-owned PLLC and professional service corporation are the authorization. The conservative structure anchors ownership to licensed behavior analysts; the doctrine is untested for ABA. See the Washington entity page and the Washington ownership page.
• Medicaid and insurance. Licensure and certification are prerequisites to Apple Health and commercial-plan billing; what is covered and paid is a separate question. See Medicaid and insurance mandates.
• Facility and records. Supervision documentation across three tiers, including CBT training-program attestations, carries directly into facility and HIPAA recordkeeping. See facility licensure and HIPAA.

Becoming licensed and credentialed in Washington: the sequence

1. Choose a qualification path. Current BACB certification, or Washington's own degree-and-coursework standard, for the LBA or LABA tier.
2. Apply to the Department of Health. Submit the application, required forms, and fee; education and training documents come directly from the issuing source.
3. Complete the background check. DOH processes a background check for every applicant, which may include a fingerprint-based FBI and Washington State Patrol check.
4. For CBT applicants, submit the training-program form. Sent directly by the training supervisor attesting to the completed program.
5. Credential with payors. Enroll with Washington Apple Health and credential with commercial plans, typically via CAQH.
6. Renew every two years on your birthday. Track standard CE alongside the separate two-hour, four-year health-equity CE requirement.

Washington licensing variables at a glance

Frequently asked questions