California Child Support Guidelines

California operates under the Income Shares model, one of 42 U.S. states using this framework. For a parent supporting one child, the base guideline applies roughly 20% of income, scaling to 30% for two children and 38% for three. That places California at rank #4 of 51 states by single-child base percentage. The state caps countable income at $30,000 per month, meaning earnings above that threshold fall to judicial discretion rather than the formula. Median household income across California is $84,097 annually, which shapes the real-world dollar obligations families face under these percentages.

On the enforcement side, the California child support program manages 1,570,000 active cases and collected approximately $3,200 million in the most recent OCSE reporting year. The state's collection rate of 62.4% compares to a national average of 60.6% across reporting states — placing California at rank #21 of 51 on collection efficiency, and rank #1 by caseload volume (national average: 285,686 cases per state). Paternity is established in 96.3% of California cases, compared to 94.9% nationally — a critical step because child support orders cannot be enforced without legal parentage on record. Orders are in place for 72.5% of the caseload.

Context matters when interpreting these numbers. A higher percentage-of-income figure does not automatically mean higher dollar obligations — the underlying income brackets, deductions, parenting-time adjustments, and self-support reserves vary meaningfully between states. California allows a parenting time adjustment, which can materially reduce the base obligation when the non-custodial parent exercises substantial overnight time. Our interactive California calculator applies these guidelines to specific income and custody scenarios. Data sources: OCSE FY2022 Annual Report, California Revised Statutes, and Census ACS 2022.