Florida Child Support Attorneys

Child Support Lawyers for Serious Financial Disputes in the Tampa Bay area

Florida child support cases are often described as routine calculations. That description is misleading.

The formula is only as reliable as the information entered into it. A child support calculation can change dramatically depending on whether a parent’s income has been accurately disclosed, business expenses are legitimate, bonuses are recurring, military allowances are included, time-sharing is actually exercised, health insurance is properly allocated, or a parent is voluntarily earning less than he or she reasonably could.

Under section 61.30, Florida Statutes, child support is generally calculated using both parents’ net incomes, the number of children, the parenting schedule, child-care expenses, health insurance premiums, uncovered medical expenses, and any legally supported adjustments or deviations. The guideline amount is presumptive, but it is not necessarily automatic or immune from challenge.

Mockler Leiner Law, P.A. represents parents in Tampa and throughout Hillsborough, Pinellas, Pasco, Polk, Manatee, Sarasota, and surrounding Florida counties in initial child support proceedings, divorce and paternity cases, temporary-relief hearings, modification actions, enforcement proceedings, contempt hearings, and appeals.

How Florida Child Support Is Calculated

Florida uses an income-shares model. The theory is that a child should receive a proportionate share of the financial resources that would have been available if the parents lived together.

The court ordinarily begins by determining each parent’s gross income. Legally permitted deductions are then applied to calculate net income. The parents’ net incomes are combined, the statutory guideline amount is determined, and each parent is assigned a percentage of the obligation based on that parent’s share of the combined net income.

The calculation may also include:

  • Work-related or education-related child-care expenses;

  • The portion of health insurance attributable to the children;

  • Uncovered medical, dental, prescription, psychological, and related health expenses;

  • The number of annual overnights exercised by each parent;

  • Support obligations for other children that are actually being paid;

  • Court-ordered spousal support paid or received; and

  • Statutory adjustments for extraordinary circumstances or expenses.

The guideline amount is presumed correct. A court may generally vary the amount by up to five percent after considering the statutory factors. A greater deviation requires written findings explaining why the guideline amount would be unjust or inappropriate. See § 61.30(1)(a), Fla. Stat.; Finley v. Scott, 707 So. 2d 1112, 1116–17 (Fla. 1998).

A worksheet does not prove that the numbers entered on it are correct. The real litigation frequently concerns what the parents earn, what they could earn, and which claimed expenses should be accepted.

Gross Income Is Broader Than Taxable Income

Florida’s definition of gross income is intentionally broad. It can include wages, salary, overtime, commissions, bonuses, tips, self-employment income, business income, retirement benefits, pensions, disability benefits, workers’ compensation, unemployment benefits, Social Security benefits, interest, dividends, rental income, royalties, trust distributions, recurring gifts, and gains from property transactions.

Reimbursed expenses and in-kind payments may also be treated as income when they are significant and reduce a parent’s personal living expenses. A company vehicle, employer-paid housing, recurring family assistance, personal expenses paid through a business, or other economic benefits may matter even when they do not appear as taxable wages.

Conversely, not every deposit into a bank account is income. Transfers between accounts, loan proceeds, reimbursements, returned capital, and one-time transactions may require separate treatment.

This is why tax returns alone rarely tell the entire story. Tax law and child support law serve different purposes. An expense that is deductible on a tax return is not automatically an allowable reduction of income for child support.

Child Support Cases Involving Business Owners

Child support litigation becomes substantially more complicated when a parent owns a corporation, professional practice, partnership, limited liability company, or other closely held business.

Florida defines business income as gross receipts minus ordinary and necessary expenses required to produce income. The phrase “ordinary and necessary” matters. Courts are not required to accept every expense appearing on a tax return, profit-and-loss statement, or general ledger.

Potential issues include:

  • Personal expenses paid through the company;

  • Accelerated or discretionary depreciation;

  • Payments to relatives or affiliated entities;

  • Shareholder loans that function as distributions;

  • Excessive vehicle, travel, meal, or entertainment expenses;

  • Compensation deferred during litigation;

  • Retained earnings controlled by the parent;

  • Unreported cash receipts;

  • Related-party rent or management fees;

  • Artificially reduced salary combined with owner distributions; and

  • Business-paid insurance, housing, automobiles, or personal debt.

In serious cases, counsel may need complete tax returns, K-1s, bank records, credit-card statements, payroll records, general ledgers, accounts-receivable reports, loan applications, merchant-processing data, and financial statements submitted to lenders or investors.

The parent who tells a court that the business earns very little may have given a bank a much different financial picture when applying for credit.

Parents facing these issues may also benefit from reviewing our discussion of divorce involving business owners and closely held companies and our broader representation in high-net-worth Florida divorces.

K-1 Income, Pass-Through Income, and Retained Earnings

A K-1 does not necessarily establish how much cash a parent received. It may report taxable pass-through income that remained inside a partnership, LLC, or S corporation. At the same time, a business owner cannot necessarily exclude income merely by leaving it in a company he or she controls.

In Zold v. Zold, 911 So. 2d 1222, 1231–32 (Fla. 2005), the Florida Supreme Court held that undistributed pass-through income retained for legitimate corporate purposes generally should not be treated as income under chapter 61. The analysis changes, however, when earnings are retained for a noncorporate purpose or to shield money that would otherwise be available for support.

The important questions include:

  • Who controls whether distributions are made?

  • Why was the income retained?

  • Was the retention consistent with the company’s historical practices?

  • Did the business have legitimate capital, debt, inventory, or cash-flow needs?

  • Were other owners receiving distributions?

  • Did the parent continue receiving personal benefits from the company?

  • Was compensation reduced shortly before or during the case?

There is no responsible one-line rule that all K-1 income counts or that all retained earnings are excluded. The court must examine control, purpose, historical practice, business necessity, and the parent’s actual access to money.

Bonuses, Commissions, Overtime, and Irregular Compensation

A parent’s income may fluctuate because of commissions, bonuses, overtime, seasonal employment, contract work, or performance-based compensation. The court may examine multiple years of earnings rather than relying exclusively on a single unusually good or bad month.

Historical averages can be useful, but they should not be applied mechanically. A large one-time bonus may be treated differently from a bonus that has been paid every year. Overtime that is consistently available may be treated differently from temporary emergency overtime. A commission salesperson’s current pipeline, employment contract, market conditions, and historical compensation may all be relevant.

When recurring income is not sufficient to meet the guideline obligation, section 61.30 also permits the court to consider nonrecurring income and assets.

The objective should be a calculation based on reliable economic reality—not an artificially inflated projection and not a conveniently depressed snapshot.

Military Pay and Allowances

Military child support cases require more than reviewing a service member’s W-2 or bank deposits.

The Leave and Earnings Statement may reflect basic pay, Basic Allowance for Housing, Basic Allowance for Subsistence, special and incentive pay, flight pay, hazardous-duty pay, sea pay, bonuses, deployment-related compensation, allotments, deductions, and other items that require individual analysis.

Some military benefits are tax-free, but tax-free does not necessarily mean excluded from child support. Housing and subsistence allowances can have substantial economic value. Government housing, changes in duty station, deployment, promotion, retirement, disability benefits, and reserve-component compensation may also affect the calculation.

Our military family law practice provides a more detailed explanation of how military income is calculated for Florida child support.

Voluntary Unemployment and Underemployment

A parent cannot ordinarily avoid support by voluntarily remaining unemployed, deliberately reducing work hours, rejecting available employment, or changing careers to manipulate the support calculation.

Florida courts may impute income when unemployment or underemployment is voluntary, unless it results from circumstances outside the parent’s control. The analysis may include recent work history, occupational qualifications, education, local employment opportunities, prevailing earnings, health limitations, and the need to remain home with a child.

Imputation requires evidence. The party seeking imputation generally bears the burden of establishing both that the other parent is voluntarily unemployed or underemployed and the amount that could reasonably be earned. See Cash v. Cash, 122 So. 3d 430, 434 (Fla. 2d DCA 2013).

A court should not select an aspirational salary without competent, substantial evidence. In Tutt v. Hudson, 299 So. 3d 568, 570 (Fla. 2d DCA 2020), the Second District reversed an imputation that was not adequately supported. Similarly, Back v. Back, 197 So. 3d 132, 134 (Fla. 2d DCA 2016), recognizes that imputation cannot rest on insufficient proof of voluntary underemployment.

Evidence may include employment records, résumés, prior earnings, job applications, labor-market data, vocational testimony, licensing records, occupational databases, and admissions made during deposition.

Incarceration, standing alone, is not treated as voluntary unemployment under the current statute.

Time-Sharing and the Twenty-Percent Overnight Adjustment

Florida’s child support statute contains a substantial time-sharing calculation when each parent has at least twenty percent of the annual overnights. In a 365-day year, that threshold is ordinarily 73 overnights.

The adjustment reflects the reality that both parents incur duplicated expenses when children spend substantial time in both households. It does not mean that the higher-income parent owes no support. Even equal time-sharing can result in a child support obligation when the parents’ incomes or child-related expenses differ.

The written parenting plan matters, but actual conduct can matter as well. A parent who receives a time-sharing adjustment and then regularly fails to exercise the overnights may expose himself or herself to modification. Section 61.30 permits modification based on a failure to exercise court-ordered time-sharing, and under specified circumstances the modification may be retroactive to the first date of noncompliance.

Child support and time-sharing remain separate obligations. A parent generally should not stop paying support because the other parent interfered with time-sharing. Likewise, a parent should not withhold children because support has not been paid. Each violation has its own remedies.

For related issues, see our pages addressing Florida child custody and parenting plans and parental relocation with children.

Child Care, Health Insurance, and Uncovered Medical Expenses

Child-care expenses incurred because a parent is working, seeking employment, or obtaining qualifying education may be included in the child support calculation.

The court may also allocate the children’s health insurance premiums and uninsured medical, dental, orthodontic, psychological, prescription, and related expenses between the parents. The allocation is often based on the parents’ respective shares of combined net income, although the order should be written clearly enough to avoid future disputes.

A poorly drafted order may lead to years of disagreement over reimbursement deadlines, proof of payment, provider selection, deductibles, extraordinary treatment, and whether a particular expense was medically necessary.

The better practice is to address:

  • Which parent will maintain insurance;

  • The amount attributable to the children;

  • How uncovered expenses will be divided;

  • What documentation must be provided;

  • When reimbursement is due;

  • How nonemergency treatment decisions will be handled; and

  • Whether extraordinary educational, psychological, or medical expenses justify a deviation.

High-Income Child Support and the Child’s Standard of Living

Florida’s statutory schedule extends beyond $10,000 in combined monthly net income by applying additional percentages. High-income cases, however, are not resolved by blindly multiplying income.

The court may consider the child’s actual needs, age, accustomed standard of living, activities, education, travel, medical needs, housing, transportation, and other legitimate expenses. A child may share in a parent’s good fortune, but child support should remain connected to the child’s reasonable needs and lifestyle rather than becoming a disguised transfer of wealth between adults.

In Finley v. Scott, 707 So. 2d 1112 (Fla. 1998), the Florida Supreme Court explained that children of affluent parents may be entitled to share in that good fortune while requiring the award to remain grounded in the statutory framework and supported by findings.

High-income disputes may require detailed child-expense budgets, lifestyle evidence, expert testimony, and careful attention to whether a proposed expense actually benefits the child.

For a more focused discussion, see Florida high-income child support and good-fortune trusts.

Retroactive Child Support

In an initial proceeding, a Florida court may award retroactive child support for the period beginning when the parents stopped residing together in the same household, subject to a statutory maximum of 24 months before the petition was filed.

The court should use the parents’ actual incomes during the retroactive period when reliable information is available. A parent may also be entitled to credit for documented payments or direct contributions made for the child.

Retroactive support should not be treated as an afterthought. The amount can become substantial when a case has been pending for months or when a petition seeks the full statutory period.

Relevant evidence may include:

  • Bank transfers and canceled checks;

  • Payment-app records;

  • Child-care and insurance payments;

  • Rent or mortgage contributions;

  • School and medical payments;

  • Written communications identifying the purpose of payments; and

  • Proof that payments were gifts, loans, support, or reimbursements.

Cash payments without receipts are especially difficult to prove. A parent making voluntary support payments should clearly document the amount, date, recipient, and purpose.

Temporary Child Support During a Pending Case

A divorce or paternity case may remain pending for many months. Either parent may seek temporary child support while the case is being litigated.

A temporary-relief hearing can significantly affect both households and the eventual negotiation posture. The court may need to make decisions using incomplete discovery, preliminary financial affidavits, and a limited evidentiary record.

That does not make preparation less important. It makes precision more important.

Before a temporary hearing, counsel should identify the disputed income components, collect current pay and benefit records, investigate business-paid expenses, verify time-sharing, calculate child-care and insurance costs, and prepare a defensible guideline worksheet.

An inaccurate temporary order may create immediate arrears, impair a parent’s ability to pay litigation expenses, or establish a financial status quo that becomes difficult to unwind.

Financial Discovery and Trial Strategy

A financial affidavit is a required disclosure. It is not a substitute for investigation.

In a contested case, financial discovery may include:

  • Personal and business tax returns;

  • Pay statements and bonus records;

  • Bank and brokerage statements;

  • Credit-card records;

  • Loan and credit applications;

  • Business ledgers and financial statements;

  • K-1s and corporate tax returns;

  • Employment agreements;

  • Deferred-compensation documents;

  • Trust and estate records;

  • Military Leave and Earnings Statements;

  • Payment-app and merchant-processing records; and

  • Subpoenas to employers, financial institutions, accountants, or business partners.

The purpose is not to request every financial document in existence. The purpose is to test the disputed inputs efficiently and build admissible proof.

A child support order should contain sufficient findings to permit meaningful review. The record should establish each parent’s income, deductions, percentage share, child-related expenses, time-sharing adjustment, and any deviation. In McGill v. McGill, 355 So. 3d 563, 564 (Fla. 2d DCA 2023), the Second District reversed a support determination where the required income findings and guideline worksheet were missing.

A trial judge should not be forced to reconstruct the case from conflicting spreadsheets. The proposed calculation should be understandable, supported, and tied directly to the evidence.

Modifying an Existing Child Support Order

Child support does not change automatically when a parent loses a job, receives a raise, begins exercising more overnights, changes health insurance, or experiences another significant event. Until the court modifies the order, the existing obligation generally remains enforceable.

Under sections 61.14 and 61.30, a parent may seek modification based on a substantial change in circumstances. When the difference produced by the revised guideline calculation is itself relied upon to establish the substantial change, the difference generally must be at least 15 percent or $50 per month, whichever is greater.

Potential grounds may include:

  • A substantial and involuntary loss of income;

  • A substantial increase in income;

  • A permanent or significant change in the parenting schedule;

  • A parent’s failure to exercise ordered time-sharing;

  • A major change in child-care or insurance expenses;

  • A child’s emancipation or other statutory termination event;

  • A disability affecting the parent’s ability to work; or

  • A material change in the child’s needs.

The timing of the petition is critical. A modification is ordinarily retroactive only to the filing date of the modification petition, subject to limited statutory exceptions. Waiting several months to file can mean several months of relief are lost.

A parent who needs a change should not rely on an oral agreement. The safer course is to obtain a written court order.

Our attorneys handle post-judgment child support modifications arising from changed income, altered time-sharing, disability, business reversals, retirement, and other significant circumstances.

Enforcement, Arrears, and Contempt

An unpaid child support installment can become a final judgment by operation of law and accrue statutory interest. The fact that the child later turns 18 does not erase unpaid support, retroactive support, interest, costs, or other amounts that remain due.

Available enforcement remedies may include:

  • Income withholding;

  • Entry and collection of an arrears judgment;

  • Contempt proceedings;

  • Garnishment or levy;

  • Liens;

  • Interception of tax refunds or other payments;

  • Suspension of licenses where authorized;

  • Work-search or employment-reporting requirements; and

  • An award of attorney’s fees when legally appropriate.

Not every failure to pay justifies incarceration. Civil contempt requires careful consideration of the obligor’s ability to comply and present ability to pay a purge amount. A genuine inability to pay may defeat contempt or incarceration even though the underlying support debt remains enforceable.

Defenses may include proof of payment, entitlement to credits, accounting errors, mistaken identity, incorrect interest calculations, lack of notice, lack of present ability to purge, or proof that the amount sought exceeds the operative order.

The first step should often be a payment audit. Depository records may not reflect direct payments, insurance payments, intercepted refunds, duplicated charges, or credits ordered in another proceeding.

Mockler Leiner Law, P.A. represents parents seeking and defending child support contempt and enforcement proceedings.

Child support litigation is not a tort action. The monetary remedies ordinarily involve current support, retroactive support, arrears, interest, costs, and attorney’s fees when authorized—not punitive or emotional-distress damages.

When Florida Child Support Ends

Florida child support generally terminates when a child turns 18. It may continue until age 19 when the child remains dependent, is still in high school, is performing in good faith with a reasonable expectation of graduating before turning 19, and meets the statutory requirements.

Orders involving multiple children should include a step-down schedule identifying the amount owed after each child’s obligation terminates. A parent should not simply divide the total award by the number of children unless the order expressly authorizes that calculation.

Certain obligations may continue longer for an adult dependent child whose physical or mental incapacity began before the age of 18. Sections 61.1255 and 61.31 establish a separate statutory framework for these cases. The court may consider the adult child’s needs, assets, income, care requirements, available public benefits, and each parent’s financial resources.

Planning is particularly important when direct payments could jeopardize the adult child’s eligibility for means-tested benefits. The court may consider payment arrangements designed to preserve eligibility while meeting the child’s support needs.

Child Support in Paternity Cases

Child support is frequently established as part of a paternity action. The case may also determine legal parentage, parental responsibility, a parenting plan, time-sharing, health insurance, retroactive support, and responsibility for medical or birth-related expenses.

A biological relationship alone does not create a usable parenting schedule. Likewise, payment of support does not automatically establish time-sharing rights. Those issues should be addressed through proper pleadings and a court-approved parenting plan.

Learn more about our representation in Florida paternity proceedings.

Child Support Appeals

A child support ruling may be reversible when the court uses unsupported income figures, imputes income without sufficient evidence, fails to account for mandatory expenses, applies the wrong time-sharing calculation, deviates without adequate findings, or enters an order that cannot be reconciled with the evidence.

Appellate issues frequently begin at the trial level. A party must preserve objections, present a clear worksheet, request legally required findings, and ensure that disputed documents and testimony are included in the record.

Mockler Leiner Law, P.A. handles both trial-level family law litigation and Florida family law appeals. That appellate perspective informs how we prepare proposed orders, preserve disputed rulings, and build a record capable of review.

Why Mockler Leiner Law, P.A. Handles Complex Child Support Cases

Child support cases involving ordinary W-2 income may be relatively direct. Cases involving businesses, professional practices, investments, trusts, commissions, military compensation, deferred income, or hidden benefits require lawyers who understand both the governing law and the underlying financial evidence.

Richard J. Mockler brings a background involving finance, accounting, taxation, corporate law, and business litigation. That experience is particularly relevant when the case involves K-1 income, retained earnings, closely held companies, executive compensation, investment income, tax returns, or disputes over whether an expense is genuinely business-related.

Angela L. Leiner represents clients in contested family law matters involving support, parenting disputes, financial discovery, military families, enforcement, and trial proceedings.

Mockler Leiner Law, P.A. approaches child support as a litigation problem, not merely a worksheet exercise. The objective is to identify the correct legal theory, obtain the financial evidence, expose unreliable assumptions, and present a calculation the court can understand and defend.

Florida Child Support Frequently Asked Questions

How is child support calculated in Florida?

Florida generally combines both parents’ net incomes, determines the statutory guideline obligation, and assigns each parent a percentage based on his or her share of the combined income. The court then accounts for time-sharing, child care, health insurance, uncovered medical expenses, and any justified deviation.

Does equal time-sharing eliminate child support?

No. Equal time-sharing does not automatically result in zero child support. A support obligation may remain when the parents have different incomes or when one parent pays a disproportionate share of child-care, insurance, medical, or other child-related expenses.

What can I do if the other parent is hiding income?

Financial discovery may be used to obtain employment records, bank statements, tax returns, business records, loan applications, K-1s, credit-card statements, payment-app records, and other evidence. In appropriate cases, subpoenas, depositions, forensic accounting, or expert testimony may be necessary.

Can a court count income that does not appear on a W-2?

Yes. Florida’s definition of income is much broader than W-2 wages. It can include bonuses, commissions, business income, investment income, recurring gifts, military allowances, trust income, and significant reimbursed or in-kind benefits that reduce personal living expenses.

Can the court impute income to an unemployed parent?

Yes, when the unemployment or underemployment is voluntary and the evidence establishes what the parent could reasonably earn. The court should consider work history, qualifications, health, local employment opportunities, and prevailing compensation rather than selecting a speculative number.

How far back can Florida award retroactive child support?

In an initial case, the court may generally award support for up to 24 months before the petition was filed, beginning no earlier than the date the parents stopped residing together with the child. The court should consider actual income and documented support payments made during that period.

Does losing a job automatically reduce child support?

No. The existing order remains effective until it is modified. A parent experiencing a substantial and involuntary income loss should obtain legal advice and file promptly because modification is ordinarily retroactive only to the date the petition was filed.

Can I stop paying support if the other parent denies time-sharing?

Generally, no. Child support and time-sharing are separate obligations. The appropriate response is to seek enforcement of the parenting plan rather than unilaterally stopping support.

Does a new spouse’s income count?

A new spouse’s salary is not automatically included as the parent’s income. However, recurring payments or benefits that substantially reduce the parent’s living expenses may be relevant under Florida’s broad treatment of reimbursed expenses and in-kind benefits.

Can parents agree to waive child support?

Parents may reach agreements concerning support, but child support protects the child’s interests and remains subject to court review. An informal agreement does not safely modify an existing court order.

What happens when one child turns 18?

The answer depends on the language of the order. Florida orders involving multiple children should contain termination dates and a step-down schedule. A parent should not unilaterally divide the existing award by the number of children unless the order permits it.

Can support continue for an adult child with a disability?

Yes. Florida law allows support for an unmarried dependent adult child whose physical or mental incapacity began before age 18 and prevents self-support. These cases are governed by sections 61.1255 and 61.31 and require careful consideration of the adult child’s needs, resources, care, and public-benefit eligibility.

Can unpaid child support still be collected after the child becomes an adult?

Yes. The termination of current support does not eliminate arrears, retroactive support, interest, costs, or other unpaid amounts. Past-due installments may remain enforceable as judgments.

Speak With Tampa Child Support Lawyers

A child support order can affect two households for years. Whether the dispute involves an initial calculation, business income, military pay, hidden compensation, retroactive support, modification, or enforcement, the outcome should be based on evidence—not assumptions.

Mockler Leiner Law, P.A. represents parents in Tampa and throughout the surrounding Florida counties in contested child support proceedings.

Call 813-331-5699 or contact us online to schedule a consultation with Mockler Leiner Law, P.A.

What We've Achieved

  • Imputed income to non-working spouses.

  • Imputed income for child support purposes to dishonorably discharged military service member.

  • Modified custody and child support for military servicemember in the special forces who left active duty to spend more time as a father.

  • Brought and defended claims for retroactive child support based on a parent's failure to exercise time-sharing.

  • Successfully petitioned for rehearing where the court improperly calculated child support. 

  • Successfully petitioned to set aside improper child support award.

  • Petitioned to set aside marital settlement agreement where father agreed under duress to overpay child support.

  • Moved to set aside final judgment where mother misrepresented her income to avoid paying child support to father.