Updated July 2026
A plain-language guide to child support in St. Lucie County, FL, from Florida's statewide guideline formula to the forms you file at the Nineteenth Judicial Circuit Court of Florida, St. Lucie County and how to prepare your paperwork without hiring an attorney.

The Florida Department of Revenue Child Support Program establishes and enforces child support orders in St. Lucie County. Call them statewide at 850-488-KIDS (5437). Hearings happen through the Nineteenth Judicial Circuit's Family Division at the Fort Pierce Courthouse, 201 South Indian River Drive, 2nd Floor.
St. Lucie shares its circuit with Indian River, Martin, and Okeechobee counties. Besides the main Fort Pierce Courthouse, the county has a St. Lucie West Annex that handles some filings in the Port St. Lucie area. Parents with an open Department of Revenue case use the circuit's Form B to request a hearing date.
The Clerk and Comptroller's Family Relations Department handles family law filings. You can reach them by mail at P.O. Box 700, Fort Pierce, FL 34954. They publish a Family FAQ page with general process information, but staff cannot give legal advice or fill out forms for you.
Support amounts follow Florida's statewide guideline formula under Section 61.30 of the Florida Statutes. The Form 12.902(e) worksheet calculates the amount using both parents' income, insurance and childcare costs, and the parenting time schedule.
St. Lucie's dissolution of marriage filing fee is $397.50, somewhat lower than the roughly $408 to $409 charged in most other Florida counties. A standalone child support filing can carry a different fee entirely.
Florida sets child support with a statewide income shares guideline (Fla. Stat. 61.30) that applies the same way in St. Lucie County, FL as everywhere else. The guideline combines:
The guideline result is presumed correct, and the parties complete a Child Support Guidelines Worksheet along with a Financial Affidavit (Florida Supreme Court approved family law form 12.902(b) or 12.902(c)) so the court can calculate the amount.
Child support in St. Lucie County, FL is handled through the Nineteenth Judicial Circuit Court of Florida, St. Lucie County, and, for enforcement and establishment cases that do not involve a private attorney, the Florida Department of Revenue Child Support Program, which can open a case at no cost to the parents. There are two common paths:
Because courthouse and local agency office details change over time, confirm current details using the Florida court clerk directory:
Find the St. Lucie County, FL Clerk of Court (Florida court clerk directory)
St. Lucie County has two filing locations: the Fort Pierce Courthouse and the St. Lucie West Annex in the Port St. Lucie area. Confirm which one applies to your hearing or filing before you show up. Assignment can depend on where the case originated in the county and which judicial officer handles it.
The Clerk and Comptroller's Family Relations Department accepts mailed filings at P.O. Box 700, Fort Pierce, FL 34954. This option helps parents who cannot get to the courthouse in person. Mailed filings generally take longer to process than e-filing through the Florida Courts E-Filing Portal at myflcourtaccess.com.
The St. Lucie West Annex's exact street address is not published, and it's unclear whether it handles child support hearings specifically or only certain other filing types. Call the Clerk's Family Relations Department to confirm before a hearing.
St. Lucie County Courthouse (Fort Pierce Courthouse) handles child-support filings, located at 201 South Indian River Drive, 2nd Floor, Fort Pierce 34950. St. Lucie West Annex at unverified: exact street address not confirmed handles unverified: some family filings; whether it handles child support hearings specifically was not confirmed.
The filing fee is $397.50. E-filing is available through https://www.myflcourtaccess.com. Florida Courts E-Filing Portal; forms can also be downloaded and filed by mail.
St. Lucie Clerk and Comptroller, Family Relations Department (https://stlucieclerk.gov/departments-top-menu/family/divorce) can help with procedure and paperwork. Clerk's Family department page provides divorce forms and a FAQ; the Clerk's office cannot give legal advice or help complete forms. Mailing address: Clerk and Comptroller, Attn: Family Relations Department, P.O. Box 700, Fort Pierce, FL 34954. Family Division (Nineteenth Judicial Circuit Family Division) applies; see https://circuit19.org/family-division/.
Local details reviewed August 2026. Offices and locations can change, so confirm with the official sites above before you file.
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The Florida Department of Revenue Child Support Program establishes and enforces support, and you can reach them at 850-488-KIDS (5437). Court filings and hearings go through the Nineteenth Judicial Circuit's Family Division at the Fort Pierce Courthouse, 201 South Indian River Drive, or you can file electronically through myflcourtaccess.com. Some family filings route through the St. Lucie West Annex instead, depending on where the case started.
Yes. Besides the main Fort Pierce Courthouse, St. Lucie County has a St. Lucie West Annex in the Port St. Lucie area. Its exact street address isn't published, and it's unclear whether it handles child support hearings specifically. Call the Clerk's Family Relations Department to ask before your hearing.
Yes. The Clerk and Comptroller's Family Relations Department accepts mailed filings at P.O. Box 700, Fort Pierce, FL 34954. Mail takes longer to process than e-filing through the Florida Courts E-Filing Portal at myflcourtaccess.com, so build in extra time before a scheduled hearing.
Form B is the Nineteenth Judicial Circuit's local form for open Department of Revenue child support cases. Use it to request a hearing date and time. It applies to Title IV-D cases the Department of Revenue is already handling, not to a private support petition filed without DOR involvement.
You have two options: ask the Department of Revenue for an administrative review, or file a supplemental petition to modify child support in circuit court with a current Form 12.902(e) guidelines worksheet. A qualifying change generally must be substantial and involuntary: at least 15 percent and $50 within three years of the last order, or 10 percent and $25 after three years.
St. Lucie County's dissolution of marriage filing fee is $397.50, somewhat lower than the roughly $408 to $409 charged in most other Florida counties. A standalone child support filing can carry a different fee. Confirm the exact current amount with the Clerk's Family Relations Department, and ask about a fee waiver under Section 57.082 if you need one.
This page is general information about Florida child support procedure in St. Lucie County, FL, not legal advice for your situation. Court locations, agency offices, and filing details change; always confirm current details with the Nineteenth Judicial Circuit Court of Florida, St. Lucie County or the official Florida family court self-help program resources. Virdix is not a law firm and is not a substitute for an attorney.
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