Client Alert: Massachusetts Announces New Child Support Guidelines Effective December 1, 2025

• Published date: 14 November 2025
• Subject Matter: Family and Matrimonial, Family Law, Wills/ Intestacy/ Estate Planning
• Law Firm: Casner & Edwards
• Author: Steven E. Maalouf

The Massachusetts Trial Court has announced new Child Support Guidelines, which will take effect on December 1, 2025. These guidelines govern how child support is calculated across the Commonwealth. They provide a standardized framework for determining the amount of financial support one parent must pay to the other for the benefit of their children. While judges retain discretion to deviate when circumstances warrant, the guidelines create a presumptive support amount in every case involving children. Every four years, a court-appointed task force reviews the guidelines to ensure they remain fair, consistent with economic realities, and responsive to changes in family life. The 2025 revisions mark the most significant update since 2021, reflecting cost-of-living adjustments, evolving family structures, and new developments in Massachusetts law.

A Broader and Clearer Definition of Income

The 2025 Guidelines reaffirm that child support should reflect both parents' ability to contribute to their child's needs. The definition of "income" remains intentionally broad and now expressly includes emerging sources such as digital assets and other nontraditional forms of compensation. The new version also clarifies that certain alimony payments may be counted as income when determining support. Additionally, the guidelines now make clear that incarceration cannot be treated as voluntary unemployment, a clarification consistent with federal law. This prevents courts from attributing income to an incarcerated parent unless there is actual evidence of earnings or assets.

Updated Income Levels and Support Ranges

Economic conditions and inflation have led to revisions to both the minimum and maximum income thresholds used in calculating support. The maximum combined parental income considered by the guidelines has increased from $400,000 to $450,000...