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Family Law · Santa Clarita

Santa Clarita Child Support Lawyer

Clear, evidence-based representation for guideline calculations, income disputes, initial orders, modifications, add-on expenses, enforcement, and arrears in Los Angeles County.

Quick Answer

How is child support calculated in California?

California uses a statewide guideline formula. The calculation generally depends on both parents’ net disposable incomes, the approximate percentage of time each parent has primary responsibility for the child, the number of children, tax and mandatory deductions, and qualifying adjustments. Childcare, uninsured health care, special needs, and some visitation travel may be ordered in addition to basic guideline support.

Financial Clarity for Changing Families

Child Support Matters We Help Parents Address

Initial Support Orders

Preparing accurate income, expense, parenting-time, and child-related information for a first guideline order.

Support Modifications

Seeking or opposing changes based on income, employment, parenting time, childcare, health coverage, or other material circumstances.

Income Disputes

Analyzing wages, bonuses, commissions, self-employment, benefits, rental income, business records, and claims about earning capacity.

Parenting-Time Calculations

Documenting the actual schedule and resolving disputes about the percentage of time used in guideline calculations.

Add-On Expenses

Addressing employment-related childcare, uninsured health care, special educational needs, and qualifying travel expenses.

Enforcement & Arrears

Reviewing payment histories, wage assignments, claimed balances, credits, interest, and available enforcement or response procedures.

California’s Statewide Guideline

A Reliable Calculation Starts With Reliable Inputs

California’s formula is intended to produce a presumptively correct support amount in most cases. The software can perform the arithmetic, but the result is only as sound as the information entered. Disputes often concern what counts as income, which deductions apply, the actual parenting schedule, recurring bonuses or commissions, self-employment expenses, health-insurance costs, other supported children, or whether a special statutory adjustment applies.

Information that commonly affects guideline support

  • Gross income from employment, self-employment, commissions, bonuses, benefits, investments, rents, and other legally recognized sources.
  • Allowable taxes, mandatory retirement contributions, health premiums, union dues, and other guideline deductions.
  • The approximate percentage of time each parent has primary physical responsibility for each child.
  • The number of supported children and whether different children follow different schedules.
  • Employment-related childcare, uninsured health expenses, special needs, and visitation travel.

Why an online estimate may differ from a court order

California Child Support Services provides a public calculator, but its website currently warns that the calculator is decertified because it does not yet reflect tax changes in the July 2025 federal budget law. The agency says it may still provide an estimate, but some tax calculations may be incorrect. A family law facilitator can provide access to a certified calculator. No online result guarantees what a commissioner or judge will order.

Modifications require action, not just changed circumstances

A parent may seek a modification when relevant finances or circumstances change, including employment, income, childcare, health coverage, or parenting time. A court generally cannot reduce support for months before the request to modify was filed, subject to specific statutory exceptions. If the existing number no longer matches the facts, waiting can create avoidable arrears or delay an appropriate increase.

How we prepare a child support matter

  1. Identify the controlling parentage, divorce, custody, domestic-violence, or Local Child Support Agency case and every existing order.
  2. Gather recent pay information, tax returns, business records, benefit statements, childcare and medical expenses, and proof of the parenting schedule.
  3. Test the disputed inputs in a certified guideline program and compare the result with any proposed agreement or current order.
  4. Prepare the required financial disclosures, supporting evidence, and a practical proposal addressing basic support, add-ons, insurance, and payment administration.

Frequently asked questions

Does 50/50 custody eliminate child support?

No. Equal or nearly equal parenting time does not automatically make support zero. The guideline also considers the parents’ incomes and other required inputs, and support may help address differences between the two households.

Can parents agree to a different amount?

Parents may propose an agreement, but the court generally needs the guideline calculation and required findings before approving a different amount. If the Local Child Support Agency is involved, additional approval and procedures apply.

Can child support change after job loss or a raise?

It can. A meaningful income or employment change may support a modification, but the existing order remains enforceable until it is changed. File promptly and provide reliable evidence rather than assuming the amount adjusts automatically.

Are childcare and medical expenses included?

Some expenses are additional support. California Family Code section 4062 addresses qualifying employment-related childcare and reasonable uninsured health care, and allows certain special-needs and visitation-travel expenses.

Does remarriage automatically change child support?

Not automatically. The guideline focuses on the legal parents’ circumstances, while tax filing, household arrangements, other supported children, and unusual facts may affect particular inputs or requests. A complete calculation is necessary.

When does California child support end?

Support commonly continues until a child turns 18 and has graduated from high school, or turns 19, whichever occurs first. Agreements, disability, emancipation, arrears, and other circumstances can affect the obligation, so review the actual order before stopping payment.

Authoritative resources: California Courts: Ask for or change child support, California Child Support Services: Guideline Calculator and current certification warning, California Family Code § 4055, California Family Code § 4062, and California Family Code § 3653. Read our guide to California child support calculations, or explore related parentage and custody and visitation representation.

This page provides general information, not legal advice. Reading it or contacting the firm does not create an attorney-client relationship. Results depend on the facts, records, and law applicable to each matter.

Accurate Support Starts With Accurate Inputs

Discuss an initial order, modification, income dispute, or arrears issue with a Santa Clarita family law attorney.