Florida Child Support Attorney: Guidelines, Modification & Enforcement
Quick Answer
Florida child support is set by a statutory formula — the income-shares model in Fla. Stat. § 61.30. It combines both parents’ net incomes, the number of children, and the number of overnights each parent exercises. Courts must follow the guideline amount within a narrow range. You can estimate your number with our free calculator, then get a precise figure and strategy from Pazos Law Group.
How Child Support Is Calculated
Under § 61.30, Florida uses an income-shares model: the court combines both parents’ net monthly incomes, applies the statutory guideline schedule for the number of children, and divides the obligation in proportion to each parent’s share of the combined income. Net income is gross income minus allowable deductions such as taxes, mandatory retirement, and health insurance. Add-ons like the child’s health insurance premium and work-related childcare are included in the calculation.
The Time-Sharing Gross-Up
The number of overnights matters. Under § 61.30(11)(b), when each parent exercises at least 20% of the overnights in a year (73 nights), the court applies the gross-up method, which adjusts the obligation to reflect the time each parent spends with the child. Because of this, a change in the parenting schedule can meaningfully change support — in either direction.
When a Court Can Deviate
The guideline amount is presumptively correct, but a court may order more or less — generally within 5% without written findings, and beyond that only with written findings explaining why the guideline figure would be unjust or inappropriate. Factors include extraordinary medical or educational needs, seasonal income, and independent income of the child.
Modifying Child Support
Either parent can ask the court to modify support when there is a substantial, material, permanent, and involuntary change in circumstances. By statute, a difference of at least 15% or $50 (whichever is greater) between the existing order and a new guideline calculation is presumed to be a substantial change. Common triggers include job loss, a significant raise, a change in the parenting schedule, or a child aging out.
Enforcing Child Support
Florida offers strong enforcement tools. Support is typically paid through income deduction orders under § 61.1301. Unpaid support can be enforced through civil contempt, suspension of a driver’s or professional license, interception of tax refunds, and liens. The Florida Department of Revenue can also establish and enforce support administratively under § 409.2563.
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Frequently Asked Questions
How is child support calculated in Florida?
Florida uses the income-shares model in Fla. Stat. § 61.30. The court combines both parents' net monthly incomes, applies the statutory guideline schedule for the number of children, and apportions the obligation based on each parent's share of combined income, with adjustments for health insurance, childcare, and overnights.
Does 50/50 time-sharing eliminate child support?
Not necessarily. Even with equal time-sharing, a parent who earns more will usually still owe support, because § 61.30 apportions the obligation by income. The gross-up method reduces but does not automatically erase the obligation.
When can I modify child support in Florida?
When there is a substantial, material, permanent, and involuntary change in circumstances. A difference of at least 15% or $50 (whichever is greater) between the current order and a new guideline calculation is presumed substantial.
How far back can child support be ordered?
A court can award retroactive child support back to the date the parents stopped living together in the same household, up to a maximum of 24 months before the petition was filed, under § 61.30(17).
What happens if the other parent won't pay?
Support is usually collected through an income deduction order under § 61.1301. Nonpayment can be enforced through contempt, license suspension, tax-refund interception, and liens, and the Department of Revenue can enforce administratively under § 409.2563.
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