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Colorado HB 25-1159 Child-Support Changes: What Took Effect March 1, 2026

Colorado HB 25-1159 Child-Support Changes: What Took Effect March 1, 2026. Child Support: questions to consider and details to verify in your own situation.

By , founder of Fathers For Fair Custody

Published February 22, 2026Updated July 22, 20263 min read
Colorado HB25-1159 Child Support Changes (March 1, 2026): A Father’s Action Plan
Editorial status

Official sources and status checked by Fathers For Fair Custody on July 18, 2026. This is educational information, not legal advice. How we review content →

Updated July 22, 2026. This article provides general educational information, not legal or clinical advice. Rules and individual circumstances vary.

Turn memory into a record

Document the facts while they are still fresh.

Custody Journal helps organize parenting time, messages, expenses, incidents, and the ordinary work of being present.

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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

Turn memory into a record

Document the facts while they are still fresh.

Custody Journal helps organize parenting time, messages, expenses, incidents, and the ordinary work of being present.

Open Custody Journal

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.

Mar 28, 202616 min read

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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Mar 25, 20263 min read

What Happens When You Miss a Child-Support Payment

A careful, state-specific overview of child-support enforcement, modification, payment records, and immediate next steps.

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Feb 26, 20263 min read

Georgia Child-Support Changes: Parenting Time, Low Income, and the 2026 Worksheet

What Georgia changed, when each provision took effect, and why parenting days are not the same as a generic overnight count.

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