Who comes to your Union County home: RBTs and BCBAs

Learn the difference between RBTs and BCBAs in Union County, NJ. Find out who provides ABA therapy in your home, what they do, and how to ask for the right staff.

Published October 8, 2026 · Union County, New Jersey

The two roles that deliver ABA in your home

When your child receives applied behavior analysis (ABA) therapy at home in Union County, New Jersey, the work is done by two distinct professionals. The person who sits on the floor with your child, runs trials, and collects data is a Registered Behavior Technician (RBT). The person who designs the plan, supervises the RBT, and talks to you about goals is a Board Certified Behavior Analyst (BCBA). This article explains what each one does, how they interact, and what you can expect when they come to your home anywhere in Union County.

The RBT: the hands on therapist

An RBT is a certified paraprofessional who has passed a national exam and must be supervised by a BCBA. In Union County, most families see an RBT for the majority of therapy hours. The RBT works directly with your child on the skills written into the treatment plan. This could include communication, play, self care, or reducing behaviors that get in the way of learning.

The RBT does not design the plan. They follow a written protocol from the BCBA. They collect data on each trial. That data tells the BCBA whether the plan is working or needs to change. The RBT is also the person who will most often talk to you about the daily session, like what your child did well and what they practiced. But if you have a question about changing the therapy approach, that question goes to the BCBA.

Every ABA provider in Union County is required by the Behavior Analyst Certification Board to give each RBT ongoing supervision. That supervision happens in person at a set frequency, often weekly. You have the right to ask the provider how often the BCBA will see your child in person. Some providers do remote supervision. In New Jersey, remote supervision is allowed in some circumstances, but you can request in person supervision. PerformCare, the single access point for the Children's System of Care for children ages 3 to 21, can help you understand your rights if you have a concern.

The BCBA: the supervisor and planner

The BCBA holds a master's degree or higher in behavior analysis or a related field, plus board certification. In your Union County home, the BCBA conducts the initial assessment, writes the behavior intervention plan, and oversees the RBT. The BCBA will visit your home on a regular schedule, typically once a week or once every two weeks, depending on the provider and the intensity of services.

During a home visit, the BCBA observes the RBT working with your child, may demonstrate a new technique, reviews data, and adjusts the plan. They also meet with you to discuss progress, answer questions, and update goals. You can ask the BCBA to show you the data graphs for your child. You can also ask for a copy of the current treatment plan. Under New Jersey insurance regulations, you have the right to request a copy of the plan, though the provider may have a process for that.

If your child is under age 3, the New Jersey Early Intervention System coordinates services. After age 3, PerformCare is the single access point. Your child’s BCBA will likely need to coordinate with other therapists such as speech or occupational therapy. In Union County, many school districts also employ BCBAs. The 17 school districts in Union County include Berkeley Heights School District and Elizabeth Public Schools among others. But a school BCBA does not replace the home BCBA. They have different roles.

How to ask for the right staff

When you start ABA through a provider in Union County, you can and should ask who will be assigned to your family. You can ask for the name and certification number of the BCBA who will supervise your child’s case. You can ask how many hours per week of direct BCBA supervision your child will receive. You can also ask what training the RBT has. It is reasonable to ask if the RBT has worked with a child with similar needs.

If you are using New Jersey FamilyCare (the state Medicaid and CHIP program) or a managed care plan such as Horizon NJ Health, Wellpoint, Aetna Better Health of NJ, or UnitedHealthcare Community Plan, you can also call the plan’s member services line. Ask for the provider directory. Then check that the provider has a BCBA on staff who is licensed in New Jersey. As of the latest data, 52 ABA providers are registered in Union County on the federal NPPES registry. 17 of the 21 municipalities have at least one provider in the town itself, and every town in the county has a provider within 7 miles. Towns with the most registered providers include Union (9), Cranford (7), Clark (6), and Westfield (6). So your options are real.

What if the RBT or BCBA is not a good fit?

It happens. Maybe the RBT does not click with your child. Maybe the BCBA does not seem to understand your family’s priorities. In New Jersey, you have the right to request a different staff member from the same provider. You can also switch providers entirely. If you are using the Children's System of Care (ages 3 to 21), you can call PerformCare and explain the situation. They can help you transition. For children under 3, contact the New Jersey Early Intervention System. No law forces you to stay with a provider that does not work for your family.

The process is not always fast, and wait times for a new assignment depend on the provider’s current caseload. That is a real uncertainty. But the option exists and is worth knowing.

After age 21

Once your child turns 21, the Division of Developmental Disabilities (DDD) becomes the main state agency. DDD does not directly provide ABA, but it can fund services through providers. A BCBA or RBT may still provide ABA in your home if it is part of a DDD approved plan. Talk to your DDD case manager about this transition well before the 21st birthday. In Union County, families often start this planning around age 18 or 19 to avoid a gap in therapy.

Whatever your child’s age, knowing the difference between the RBT and the BCBA helps you understand who to talk to and when. Both roles are essential. Both are part of your team. You get to ask questions. And in Union County, you have real choices among 52 providers spread across 21 towns.