In Connecticut, SSDI (Social Security Disability Insurance) counts as gross income for child support under Conn. Gen. Stat. § 46b-215a, while SSI (Supplemental Security Income) is excluded. Derivative benefits a child receives on a disabled parent's record credit against that parent's obligation. Support for a disabled child can now extend to age 26 for orders after October 1, 2023.
Child support disability Connecticut cases hinge on two very different questions: how a disabled parent's benefits are counted, and how long a disabled child is entitled to support. Connecticut law answers both, but the rules differ sharply depending on whether the disability income is SSDI or SSI, and on when the support order was entered. This guide explains the Income Shares model, the SSDI child support treatment, derivative benefit credits, and the recent extension of disabled child support to age 26 under Public Act 23-137.
Key Facts: Connecticut Divorce & Child Support
| Item | Connecticut Rule |
|---|---|
| Filing Fee | $360 (as of March 2026; verify with your local clerk) |
| Waiting Period | 90 days from the return date before a decree may enter |
| Residency Requirement | 12 months before the decree, per Conn. Gen. Stat. § 46b-44 |
| Grounds | No-fault (irretrievable breakdown) plus fault grounds |
| Property Division | Equitable distribution (not community property) |
| Support Model | Income Shares, Conn. Gen. Stat. § 46b-215a |
Filing fees and figures change. As of March 2026, the Superior Court dissolution filing fee is $360; some sources still list $350. Verify with your local clerk before you file.
Does SSDI Count as Income for Child Support in Connecticut?
Yes. SSDI counts as gross income for child support in Connecticut. Under Conn. Gen. Stat. § 46b-215a and the Child Support and Arrearage Guidelines (Conn. Agencies Regs. § 46b-215a-2c), disability payments including SSDI are included in gross income alongside wages, pensions, and unemployment. A disabled parent's monthly SSDI benefit is therefore part of the support calculation, not exempt from it.
Connecticut uses the Income Shares Model, which combines both parents' net weekly incomes and reads a basic support obligation from a schedule based on that combined figure and the number of children. The obligation is then allocated between parents in proportion to their share of combined income. Because SSDI is treated as income, a parent receiving $1,800 per month in SSDI has roughly $415 in weekly gross income folded into the calculation. This is the central rule in most disability income child support disputes in Connecticut: SSDI is countable, and courts do not disregard it simply because it originates from a federal disability program.
How Is SSI Treated Differently From SSDI?
SSI is excluded from gross income for Connecticut child support, unlike SSDI, which is fully counted. Supplemental Security Income is a means-tested benefit for low-income disabled individuals, and the Connecticut guidelines specifically exclude it, along with SNAP, TANF, and other public assistance. A parent whose only income is SSI generally has no countable income for the support schedule.
The distinction matters because the two programs look similar but function differently. SSDI is an earned benefit funded by prior payroll taxes; SSI is a needs-based welfare program. When a disabled parent receives SSDI, that amount enters the guideline worksheet. When a disabled parent receives SSI, it does not. A narrow overlap rule applies to parents receiving both benefits: under the guidelines, when a parent receives both SSI and Social Security disability or retirement benefits, the SSI inclusion cannot exceed $5 per week. For a disabled parent whose sole income is SSI, courts often set a minimal or zero cash order because there is no countable income and the federal government prohibits garnishing SSI for support.
Are Child SSDI Derivative Benefits Credited Against Support?
Yes. When a child receives SSDI derivative (dependent) benefits based on a parent's disability record, those payments are typically credited against that parent's child support obligation in Connecticut. Derivative benefits can equal up to 50% of the disabled parent's primary SSDI benefit, and courts generally offset the support order dollar-for-dollar by the amount the child already receives.
Here is how the derivative credit works in practice. Suppose a disabled father's guideline support obligation is calculated at $150 per week, and the Social Security Administration pays the child $120 per week in dependent benefits on the father's earnings record. Connecticut courts commonly credit the $120 derivative payment against the $150 obligation, leaving the father responsible for roughly $30 per week out of pocket. If the derivative benefit meets or exceeds the calculated obligation, the parent's cash obligation may be reduced to zero, though the court retains discretion. This credit is one of the most valuable protections for disabled parents, because the child continues to receive support without the parent paying twice. Always document the derivative benefit amount for the court, because the credit is not automatic and must be raised.
When Does Child Support End for a Disabled Child in Connecticut?
Support for a disabled child in Connecticut can extend to age 26 for orders entered after October 1, 2023, under Public Act 23-137, amending Conn. Gen. Stat. § 46b-84. For orders entered before that date, support continues only to age 21. The child must reside with a parent and be principally dependent on that parent for maintenance.
This change substantially expanded protection for families raising children with disabilities. Under the amended Conn. Gen. Stat. § 46b-84, a court may order support for a child with an intellectual disability, a mental disability, or a physical disability who lives with a parent and depends on that parent, up to age 26. The threshold date controls eligibility: if the dissolution, legal separation, or annulment was entered after October 1, 2023, the age-26 cap applies. If the divorce predates October 1, 2023, or the initial order for unmarried parents predates that date, the support ends at age 21. For a typical minor child without a disability, support ends at age 18, or at age 19 if the child is still a full-time high school student living with a parent.
Do the Child Support Guidelines Apply to Disabled Adult Children?
No. Connecticut's child support guidelines do not apply to support orders for disabled adult children under Conn. Gen. Stat. § 46b-84. Judges set these orders using discretion based on the child's actual needs and both parents' abilities to pay, rather than the standard Income Shares schedule used for minor children. This gives courts flexibility to tailor support to a disabled adult's specific circumstances.
Because the guidelines are set aside, the analysis for a disabled adult child is more individualized. A court examines the young adult's disability-related expenses, any SSI or SSDI benefits the adult receives, the cost of care, and each parent's financial capacity. For the most severe cases, involving a disability that prevents the child from ever becoming self-supporting, Connecticut courts retain authority to order support indefinitely with no age cap. Parents holding older pre-October 2023 orders who want the age-26 extension applied may need to file a motion to modify under the amended statutory framework. Because these orders fall outside the guideline formula, the outcome depends heavily on the evidence presented about the child's needs and the parents' resources.
Can SSDI Benefits Be Garnished for Child Support in Connecticut?
Yes. SSDI benefits can be garnished (withheld) for child support in Connecticut, because federal Social Security law permits garnishment of SSDI for support obligations. Under Conn. Gen. Stat. § 52-362, the Bureau of Child Support Enforcement and family magistrates may issue income withholding orders against SSDI. SSI, by contrast, cannot be garnished for support.
The garnishment power comes with statutory exemptions to protect the disabled parent. Federal Consumer Credit Protection Act limits generally allow withholding of up to 50% to 65% of disposable earnings for support, depending on whether the obligor supports another family and the age of any arrears. Under Conn. Gen. Stat. § 52-362, the ordering body must inform the obligor of the amount of income exempt from the withholding order and of the right to claim applicable state or federal exemptions. This means a disabled parent facing an SSDI garnishment can assert protections that preserve a portion of the benefit for basic living expenses. The critical dividing line remains program type: SSDI is reachable for support, SSI is not.
How Does a Disabled Parent Modify a Connecticut Child Support Order?
A disabled parent modifies a Connecticut child support order by filing a Motion to Modify with the Superior Court, showing a substantial change in circumstances under Conn. Gen. Stat. § 46b-86. A newly awarded disability, a drop from wages to SSDI, or a deviation of at least 15% from the current guideline amount can each justify modification. The court recalculates support using current income.
Becoming disabled after a support order is entered is a classic basis for modification. If a parent previously earning $60,000 per year is approved for SSDI at $22,000 per year, the income change is substantial and typically warrants recalculation. Under Conn. Gen. Stat. § 46b-86, a party may seek modification upon a substantial change in circumstances, and Connecticut treats a resulting guideline deviation of 15% or more as presumptively substantial. When filing, the disabled parent should attach the SSDI award letter, document any derivative benefits the child receives, and request that the derivative credit be applied. Modification is generally prospective from the date of service of the motion, so a disabled parent should file promptly after the income change rather than waiting, to avoid accruing arrears at the old, higher rate.