ABA Therapy in Solano County: A Guide for Vallejo, Fairfield, and Vacaville Families
If you live in Vallejo, Fairfield, Vacaville, or anywhere along the I-80 corridor, starting ABA therapy usually means dealing with three different institutions: your child's health plan, North Bay Regional Center, and your school district. They do not do the same thing, and only one of them puts a behavior technician in your living room. This guide explains which door leads where, what each one needs from you, and how in-home ABA actually fits into a Solano County week.
Key takeaways
- ABA hours at home are paid for by your child's health plan. For most Solano families that is Partnership HealthPlan of California Medi-Cal; some cards say Kaiser or Aetna. The name on the card decides the entire process.
- North Bay Regional Center serves Solano, Napa, and Sonoma. It runs Early Start under age three and coordinates services after that, but for a Medi-Cal member the health plan pays for ABA first.
- A formal autism diagnosis is not required for Medi-Cal to authorize ABA for a child under 21.
- Your school district works on two legal clocks: an assessment plan within 15 days of your written request, and an IEP meeting within 60 days of your consent to assess.
- Your family's weekly availability, not the authorization, is usually what decides how many hours your child actually receives.
Who pays for ABA in Solano County
Solano County is where Partnership HealthPlan of California began, in 1994, and Partnership administers Medi-Cal for Solano families today across a service area that now covers 24 Northern California counties. Most Solano children with Medi-Cal carry a Partnership card, and Partnership is the plan that authorizes and pays for their ABA.
Not every Solano card says Partnership, and the difference matters more than families expect. Some Solano children are enrolled with Kaiser Permanente, which handles ABA through its own internal referral pathway rather than an outside authorization, so the first call is a different call. Behavia accepts Partnership, Kaiser, and Aetna here. Find the card and read the plan name on it before you do anything else.
- Card says Partnership HealthPlan: your pediatrician recommends Behavioral Health Treatment, your provider assesses and submits a treatment plan, and Partnership authorizes the hours. Our Partnership HealthPlan ABA guide walks through that sequence in detail.
- Card says Kaiser: the referral has to come from inside Kaiser. Read how Kaiser ABA referrals work before you call anyone, because the order of operations is what families get stuck on.
- Card says a commercial plan: coverage still exists under California's autism mandate, but the authorization rules are the plan's own. Contact us and we will tell you honestly whether we are in network.
Whichever plan it is, the benefit itself comes from the same place. Medi-Cal covers ABA as Behavioral Health Treatment (BHT) for members under 21 when a licensed physician or psychologist finds it medically necessary, with no copay, deductible, or coinsurance. Our Medi-Cal ABA therapy page lists the plans we are currently in network with.
Three doors, and what each one actually gives you
Solano parents are usually handed all three of these names in the same week, often by people who assume you already know the difference. Here is the honest version:
- Your health plan is the only one of the three that pays for one-on-one in-home ABA hours with BCBA supervision. This is the door you want for ABA.
- North Bay Regional Center is a service coordinator and a funder of last resort. It is the right door for Early Start under age three, for respite, and for supports your health plan does not cover.
- Your school district is responsible for what your child needs to access their education during the school day, through an IEP. It is the right door for classroom aides, speech at school, and behavior plans at school.
You do not have to pick one. Most Vallejo and Fairfield families we work with use two or three at once, which is how the system is designed. What you should not do is wait for one door to finish before knocking on the next: the clocks run independently.
North Bay Regional Center: what it does for Solano families
North Bay Regional Center (NBRC) serves Solano, Napa, and Sonoma counties. Anyone can make a referral, including a parent, and you do not need a doctor to send you. There are no financial eligibility requirements and no income test for Early Start.
Under age three: Early Start
Early Start is California's early intervention program for infants and toddlers. A child generally qualifies with a developmental delay of at least 25 percent in one or more areas (cognitive, communication, physical, social-emotional, or adaptive), or with an established risk condition of known cause that carries a high probability of delay. California gives the regional center 45 days from your first contact to evaluate your child, decide eligibility, and hold the first meeting to write an Individualized Family Service Plan (IFSP).
Age three and up: the Lanterman Act
At three, Early Start ends and eligibility is re-determined under the Lanterman Act, which covers autism among other qualifying developmental disabilities. Children who qualify get a service coordinator and an Individual Program Plan. This transition catches families off guard, so ask about it before your child's third birthday.
Why the regional center is not your ABA payer
California policy makes Medi-Cal managed care plans responsible for medically necessary BHT and treats regional centers as the payer of last resort. So if your child has Medi-Cal, Partnership or Kaiser authorizes the ABA and NBRC coordinates around it. That is not a runaround; it is the rule. Tell your coordinator who your ABA provider is, and with your written permission we will talk to them directly.
Your school district, and the two deadlines worth knowing
Solano County has several districts, and which one you deal with depends on your street, not your city: Vallejo City Unified and Benicia Unified in the south, Fairfield-Suisun Unified and Travis Unified in the center, and Vacaville Unified and Dixon Unified to the north. All of them run on the same two statutory clocks, and knowing them is the difference between a process that moves and one that does not.
Put your request in writing
Email or hand-deliver a dated letter to the school principal or the district's special education office asking for a full assessment for special education eligibility. Keep a copy. A verbal request to a teacher is not the same thing, and it does not start the clock.
Expect an assessment plan within 15 days
Under California Education Code section 56321, the district must give you a written proposed assessment plan within 15 days of your referral, with a copy of your parental rights attached. If more than 15 days pass with nothing, follow up in writing and reference the date of your request.
Sign and return it
You have 15 days to review the plan and consent. Nothing is assessed until you sign, so a plan sitting on the kitchen counter is a paused process. Sign it, date it, and keep a copy.
The IEP meeting follows within 60 days of your consent
The assessments must be completed and the IEP team meeting held within 60 days of the district receiving your signed consent. You are a full member of that team. Bring your own notes, and bring your ABA provider's progress data if you already have services.
School-based support and in-home ABA cover different ground. Medi-Cal does not pay for services delivered at school during school hours, and a school aide is not a substitute for a treatment plan with BCBA supervision. Where they help each other is consistency: if both teams are reinforcing the same communication strategy, your child gets the same answer in both buildings.
What an in-home ABA week looks like in Solano County
Once hours are authorized, the real constraint is the calendar. Solano County's geography shapes this more than families expect, and being realistic about it is the fastest way to get consistent sessions.
- The after-school window is crowded. Roughly 3:00 p.m. to 7:00 p.m. is when every school-age family wants sessions, so it is the hardest block to fill. Any morning, early-afternoon, or weekend availability usually converts into more hours sooner.
- Distance is drive time, not miles. I-80 between Vallejo and Vacaville at 5:00 p.m. is a different road than at 10:00 a.m. Clustering sessions on consistent days and times, rather than scattering them, makes a schedule easier to staff.
- Consistency beats volume. Twelve hours a week that actually happen will do more for your child than twenty authorized hours that get cancelled. Tell us your true availability, including the weeks that are hard.
- Two homes are common and workable. If your child spends part of the week at a second home or with another caregiver, say so at intake. We can build the schedule around both addresses, and it is far easier to set up at the start than to retrofit later.
Our guides on preparing your home and schedule and what to expect in the first month cover the practical side: where sessions happen, what to do about siblings and pets, and how the first four weeks are structured. You can also read what our in-home ABA services include.
Vallejo, Fairfield, and Vacaville: what is specific to each
Vallejo and Benicia
Vallejo is Solano County's largest city and one of the places our North Bay referrals most often come from. Many Vallejo families see a pediatrician at Kaiser Vallejo Medical Center, which means the referral conversation starts inside Kaiser rather than with an outside authorization. Vallejo City Unified handles IEPs for most of the city, with Benicia Unified next door. See our Vallejo ABA therapy page.
Fairfield and Suisun City
Fairfield and Suisun City sit at the center of the county. Fairfield-Suisun Unified serves most families here, with Travis Unified serving the communities around Travis Air Force Base. Central Solano is the easiest part of the county for us to schedule across, since it is reachable from both ends of the corridor. See our Fairfield ABA therapy page.
Vacaville, Dixon, and Winters
Vacaville anchors the northern end of the county, and we also serve families in Dixon and Winters. Vacaville Unified and Dixon Unified handle IEPs locally, and some families here use Kaiser Vacaville Medical Center. For the more rural addresses, consistent weekly time blocks matter even more than usual. See our Vacaville ABA therapy page.
Outside these cities? Our guide to ABA providers in California covers how to evaluate one wherever you live.
If you move in or out of Solano County
Medi-Cal managed care is organized by county, so a move is a coverage event even when you stay in California. Families relocating along the I-80 and I-5 corridors run into this regularly, and the handoff is the part that trips people up.
- Report the move to your old or new county within 10 days. You can do this online, by phone, in person, by email, or by fax.
- Your old county's managed care coverage ends on the last day of the month, and you then enroll in a plan available in your new county. Health Care Options handles plan selection.
- Tell your ABA provider the moment you know. Authorizations do not travel with you, and a new plan means a new authorization.
Behavia serves several of the counties Solano families move to. If you land in San Joaquin or Stanislaus County, Medi-Cal there runs through Health Plan of San Joaquin, and we are in network: we serve Stockton, Lodi, Manteca, and Tracy in San Joaquin County, and Modesto, Turlock, Ceres, and Riverbank in Stanislaus County. If you move to western El Dorado County, that county's Medi-Cal plan is Mountain Valley Health Plan, the same organization under a different name, and our Sacramento-area team serves El Dorado Hills, Cameron Park, Shingle Springs, Diamond Springs, and Placerville. Families elsewhere in El Dorado County can contact us about availability.
How to get started
None of this requires a diagnosis in hand, and most of it fits in one afternoon:
- Find your child's health plan card and confirm the coverage is active. The plan name on it determines everything that follows.
- Ask your pediatrician to recommend Behavioral Health Treatment. If you are a Kaiser family, ask specifically about the autism or behavioral health referral pathway inside Kaiser.
- Call or make a referral to North Bay Regional Center if your child is under three, or if you want a service coordinator. You can refer your own child.
- Send your school district a dated written request for an assessment if your child is three or older and struggling at school.
- Write down your family's real weekly availability, including a second home if your child has one, before you talk to a provider.
When you are ready, get started with Behavia online. The form takes about five minutes and asks for the availability details above, so our intake team can give you a useful answer rather than a generic one. To read the Medi-Cal mechanics first, start with how to get ABA therapy through Medi-Cal or our guide to getting an autism evaluation in California.
Frequently asked questions
- Is ABA therapy covered for Solano County children?
- Yes. Medi-Cal covers ABA as part of its Behavioral Health Treatment benefit for members under 21 when a physician or psychologist finds it medically necessary, with no copay or out-of-pocket cost. Partnership HealthPlan of California administers Medi-Cal for Solano County families, and Behavia also works with Kaiser Permanente and Aetna families in Solano.
- Which health plan covers ABA therapy in Solano County?
- Read the plan name printed on your child's card. Most Solano County children on Medi-Cal are Partnership HealthPlan of California members, and Partnership started in Solano County in 1994. Some Solano families have Kaiser Permanente instead, and Kaiser routes ABA through its own internal referral process rather than through an outside authorization.
- Does my child need an autism diagnosis to start ABA in Solano County?
- No. California's Department of Health Care Services requires Medi-Cal managed care plans to cover Behavioral Health Treatment for members under 21 with or without an autism diagnosis, as long as a licensed physician or psychologist determines it is medically necessary. If your child is waiting on a diagnostic evaluation, that wait does not have to delay ABA.
- Does North Bay Regional Center provide ABA therapy?
- North Bay Regional Center serves Solano, Napa, and Sonoma counties, and it is where many Solano families first hear about ABA. For a child with Medi-Cal, though, the health plan is responsible for ABA and the regional center is the payer of last resort. The regional center coordinates services, funds supports the health plan does not cover, and runs Early Start for children under three.
- Can my child get ABA therapy at school in Solano County?
- School districts such as Vallejo City Unified, Fairfield-Suisun Unified, and Vacaville Unified provide behavioral support through an IEP during the school day, which is a different legal system from your health plan's ABA benefit. In-home ABA is designed to work alongside school services rather than replace them, and with your permission the two teams can share goals.
- What happens to our ABA therapy if we move out of Solano County?
- Medi-Cal managed care plans are county-based, so moving changes your plan. Report the move to your old or new county within 10 days. Your old county's plan coverage ends on the last day of the month and you enroll in a plan in the new county, which you can do through Health Care Options. Behavia also serves San Joaquin and Stanislaus counties through Health Plan of San Joaquin and western El Dorado County through Mountain Valley Health Plan.
Sources and further reading
- DHCS: Behavioral Health Treatment and All Plan Letter 23-010, the policy Medi-Cal managed care plans follow for BHT
- North Bay Regional Center: Apply for Services and its Early Start (infants to 36 months) pages
- California Department of Developmental Services: Early Start FAQs for eligibility criteria and the 45-day timeline
- California Department of Education: Parents' Rights in special education, including the assessment plan and IEP timelines
- DHCS Medi-Cal Help Center on reporting a move and transferring a case between counties
Ready to talk about ABA for your child?
Behavia Therapy provides in-home ABA therapy across the North Bay and Solano County, Greater Sacramento, the East Bay, and the Central Valley. We accept Medi-Cal, including Partnership HealthPlan of California, and handle authorization for you.

About the author
Behavia Therapy
Behavia Therapy is a women-owned, in-home ABA therapy provider serving children with autism across Northern California — the North Bay and Solano County, Greater Sacramento, the East Bay, and the Central Valley. Our guides are written by our clinical and intake team and reviewed against current Medi-Cal and health-plan policy before publishing.