Quick Answer
California calculates child support using an income shares model based on both parents' combined income. The amount depends on income, number of children, and custody arrangement.
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Quick Answer
California calculates child support using an income shares model based on both parents' combined income. The amount depends on income, number of children, and custody arrangement.
Understanding child support in California is one of the most important steps in your divorce preparation. This guide covers what California law requires, what to expect, and how to prepare — in plain language, not legalese.
Section · 01
California uses an income shares model. Both parents' gross incomes are combined, a base support amount is found from the state guideline table, and each parent's share is proportional to their percentage of the combined income.
Section · 02
Child support calculations include income from all sources: wages, salary, bonuses, commissions, self-employment, rental income, dividends, interest, retirement distributions, and other earnings. Deductions typically include taxes, mandatory retirement contributions, and health insurance premiums.
Section · 03
Parenting time directly affects child support. California uses a complex formula that factors in the percentage of time each parent has the child. Equal time-sharing (50/50) significantly reduces the higher-earning parent's obligation.
Section · 04
Either parent can request a modification when there's a substantial change in circumstances. Common triggers include job loss, significant income change, change in custody arrangement, or a child's changing needs (medical, educational). Most states require a meaningful change that wasn't anticipated at the time of the original order.
What Makes California Different
California uses a complex algebraic formula that factors in both parents' income and time-sharing. The state provides a guideline calculator, making estimates more predictable than in many other states.
FAQ
California uses an income shares model based on both parents' combined income. The amount varies based on income, number of children, and time-sharing. Use ClearSplit to run your numbers.
Yes, when there's a substantial change in circumstances — job loss, significant income change, or change in custody. Contact the court that issued the original order to request a modification.
Generally until the child turns 18 (or 19 if still in high school). California extends support until 18, or 19 if the child is still a full-time high school student living with a parent. Support for children with disabilities may continue indefinitely.
California has enforcement mechanisms including wage garnishment, tax refund interception, driver's license suspension, passport denial, and contempt of court proceedings. Contact the California Department of Child Support Services.
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Notice
This is legal information, not legal advice. We’re here to help you understand your landscape — but for guidance specific to your situation, talk to a family law attorney in California. You deserve someone in your corner.