Life changes. A court order that made sense three years ago may no longer fit your income, your work schedule, or your children's needs. Florida family-law orders — child support, alimony, and parenting plans — can be modified when the right conditions are met. The right conditions, however, are narrower than most people expect, and modifications apply only from the date the petition is filed. Delay almost always costs money.
What Can Be Modified
- Child support
- Time-sharing and parenting plans
- Alimony (except bridge-the-gap)
- Decision-making (parental responsibility) arrangements
- Relocation restrictions
What cannot be modified:Property division and equitable distribution — once the final judgment is entered, the division of assets and debts is generally final. Limited exceptions exist for fraud, mistake, or newly-discovered evidence, and must be raised within strict time limits.
The Substantial-Change-of-Circumstances Test
To modify an existing order, you must prove a substantial, material, and unanticipated change in circumstances since the last order was entered. Each element matters:
- Substantial. More than a minor fluctuation. Courts typically want to see changes of 15% or more in income for support modifications, though the threshold varies by issue.
- Material.Relevant to the purpose of the order. A job change that doesn't affect income or schedule isn't material.
- Unanticipated. Not something the parties knew or should have known about when the order was entered. If a mother was already in nursing school when the last order was entered, her subsequent salary increase as a nurse may not be unanticipated.
Common Grounds for Modification
Child Support
- Significant income change in either parent (15% or more, or $50/mo, whichever is greater)
- Job loss, disability, or forced retirement
- Change in overnight time-sharing
- One child reaching majority (but others remaining)
- New expenses for extraordinary medical or educational needs
- Addition of health-insurance costs
Alimony
- Payor's involuntary loss of income
- Recipient's entry into a “supportive relationship” under §61.14(1)(b)
- Recipient's remarriage (usually terminates alimony)
- Payor's retirement at normal retirement age (post-2023 reform)
- Significant increase in the recipient's income
Time-Sharing & Parenting Plans
- Relocation by one parent
- A parent's entry of a new partner into the household (when it materially affects the children)
- Change in the children's developmental or educational needs
- Change in a parent's work schedule that makes the existing plan unworkable
- Safety concerns — substance abuse, domestic violence, neglect
- Older child's reasonable preference (not controlling, but considered)
Higher Bar for Time-Sharing Modifications
Florida courts apply a higher standard to modifications of time-sharing than to support. The moving parent must show not only a substantial, material, and unanticipated change in circumstances but also that the modification is in the best interest of the child. Judges are reluctant to disturb functioning parenting plans absent a compelling reason.
Modifications Apply Only From Filing Date
Florida law is strict: a modification of child support or alimony generally applies only to payments that come due after the petition is filed. If you wait six months to file after a job loss, you remain on the hook for the original amount during those six months. The single most important piece of advice I give clients facing a change of circumstances is: file immediately.
Temporary Relief While Modification Is Pending
The court can grant temporary orders while the modification is pending — for example, reducing child support temporarily while the court addresses the full modification claim. Temporary orders are discretionary and fact-dependent but can provide meaningful relief during what can be a months-long process.
Enforcement and Modification Together
These two issues often arise at once. A parent who cannot pay existing support faces contempt; simultaneously, that parent needs the order modified to reflect current reality. Filing a modification promptly is both a shield against contempt and the path to a sustainable order going forward. See Contempt & Enforcement.
How I Can Help
I can evaluate whether your circumstances meet the substantial-change standard, file the petition, handle discovery and mediation, and represent you through trial if necessary. Call 904-858-4334 or contact me online.