Updated July 22, 2026. This article provides general educational information, not legal or clinical advice. Rules and individual circumstances vary.
Child Support
Colorado HB 25-1159 Child-Support Changes: What Took Effect March 1, 2026
Practical guidance for fathers about child support. Learn what to document, what to verify locally, and which next step may help.
Editorial status
Official sources and status checked by Fathers For Fair Custody on July 19, 2026. This is educational information, not legal advice. How we review content →
The law and effective date
Colorado HB 25-1159 was signed on May 31, 2025. Its amended child-support guideline provisions took effect March 1, 2026.
Do not assume the filing date answers every transition question
The effective date does not by itself establish that filing date is the only rule for every pending case. Ask a Colorado attorney or the court which statute and worksheet apply to a pending proceeding, modification, or calculation.
Use the current official materials
Review the signed act and the current Colorado worksheet before estimating a payment. This article explains status; it does not calculate support or predict how a court will treat a specific case.
Primary sources
Important: This article provides general educational information, not legal advice. Family-law rules and court procedures vary by jurisdiction. Speak with a qualified local attorney about your situation.
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Colorado Just Changed the Rules on Child Support — And Fathers Need to Know About This
Colorado HB25-1159, signed May 31 2025, replaces the old 40% overnight threshold with a formula that credits all overnights for child support purposes. Here is what Colorado fathers need to know.
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