Introduction: Navigating Child Custody in Colorado
Child Custody Laws in Colorado: If you’re a parent facing separation, divorce, or planning to establish custody rights in Colorado, you’re likely overwhelmed. Legal words like “parenting time,” “decision-making responsibility,” and “allocation of parental responsibilities” may sound confusing — and stressful.
But here’s the truth: Colorado child custody laws are designed with one clear goal — the best interests of the child.
This guide breaks down everything you need to know in plain English. Whether you’re a mother, father, or legal guardian, we’ll walk you through Colorado’s child custody laws step-by-step. We’ll start with how custody laws evolved, then cover what the courts look for, and finally explain how to file and what to expect throughout the process.
Let’s begin with a story that changed the direction of family law in Colorado.
How Colorado’s Child Custody Laws Evolved: A Real Turning Point
The Historic Shift: In re Marriage of Martin, 1989 Child Custody Laws in Colorado
For decades, Colorado courts leaned toward giving mothers custody of young children based on the outdated “tender years doctrine.” But in 1989, the In re Marriage of Martin case reached the Colorado Court of Appeals.
In that case, the father requested equal parenting time. He showed that he had been actively involved in raising the children — from bedtime routines to school drop-offs. Despite traditional gender expectations, the court ruled in favor of shared parenting time. The judgment stated that parental roles are not defined by gender but by involvement and responsibility.
This decision marked a cultural and legal shift in Colorado — one where fathers gained equal footing, and the courts began using more neutral terms like “allocation of parental responsibilities” instead of “custody.”
Real-Life Example: A Joint Parenting Success in Denver
Meet Jason and Emily, a couple from Denver who separated after eight years of marriage. They had a six-year-old son. Jason, a firefighter, worked shifts but was highly involved in parenting. Emily was a graphic designer who worked remotely.
At first, Emily assumed she would receive primary custody. But Jason proposed joint parental responsibility and suggested they use a mediator to draft a parenting plan.
With guidance from a mediator, they created a flexible parenting schedule based on Jason’s shift calendar. Their parenting plan also outlined who would make decisions on health care, education, and extracurricular activities.
In the end, the judge approved their plan — and the family avoided a long, stressful court battle.
Moral of the story: Colorado courts favor cooperation, and well-prepared parenting plans often lead to smooth approvals.
Types of Custody in Colorado (Technically Called Allocation of Parental Responsibilities)
Colorado no longer uses terms like “custody” or “visitation.” Instead, it divides child custody into two components:
1. Parenting Time
This refers to when the child is physically with each parent. Also known as “physical custody” in other states.
2. Decision-Making Responsibility
This covers major decisions about healthcare, education, religion, and extracurriculars.
Each can be:
- Joint (shared by both parents)
- Sole (given to one parent only)
Courts prefer joint arrangements unless one parent is proven to be unfit due to abuse, addiction, or neglect.
How Colorado Courts Decide Custody: 10 Key Factors
Under Colorado Revised Statutes §14-10-124, judges decide custody based solely on the child’s best interests.
They consider the following factors:
- Each parent’s relationship with the child
- The child’s adjustment to home, school, and community
- Ability of each parent to encourage the child’s relationship with the other
- History of domestic violence or child abuse
- Mental and physical health of all parties
- Each parent’s ability to place the child’s needs above their own
- The wishes of the child (usually considered around age 12 and up)
- Parents’ geographic proximity
- Ability to cooperate and make joint decisions
- Each parent’s past involvement in caregiving
There’s no presumption for or against mothers or fathers — both start on equal footing.
Step-by-Step: How to File for Child Custody in Colorado
Step 1: Understand Your Situation
- Are you married and divorcing? Custody is part of the divorce process.
- Are you unmarried? You’ll need to file for allocation of parental responsibilities separately.
- Has paternity been established? If not, this comes first.
Step 2: File a Petition in Family Court
Go to the District Court in your county and file one of the following:
- Petition for Dissolution of Marriage (with children) – if you’re divorcing
- Petition for Allocation of Parental Responsibilities – if unmarried
- Petition to Modify Parenting Plan – if changing an existing order
You’ll also file:
- A Case Information Sheet
- Summons (to serve the other parent)
- A Parenting Plan (if you’ve prepared one)
- Sworn Financial Statement
Step 3: Serve the Other Parent
You must officially notify the other parent (called “service of process”) using a sheriff, private process server, or certified mail.
The other parent has 21 days (or 35 if they live out of state) to respond.
Step 4: Take the Mandatory Parenting Class
Colorado requires both parents to complete a court-approved parenting class (e.g., “Parenting After Divorce” or “Co-Parenting for Life”).
This class helps parents minimize conflict and focus on the child’s needs.
Step 5: Attend Initial Status Conference
This is usually scheduled within 42 days of filing. It’s a non-adversarial meeting where the court explains timelines and may refer you to mediation.
No decisions are made here, but it’s a critical checkpoint.
Step 6: Mediation (if needed)
If you and the other parent can’t agree on parenting time or decision-making, the court may order mediation.
Mediators are trained to help parents reach compromises. If mediation fails, the court moves to a hearing.
Step 7: Parenting Evaluation (if conflict continues)
In complex or high-conflict cases, the judge might order a Child and Family Investigator (CFI) or Parental Responsibilities Evaluator (PRE) to assess the family situation.
They’ll conduct interviews, home visits, and make a custody recommendation to the court.
Step 8: Attend the Custody Hearing
If no agreement is reached, a judge will hold a permanent orders hearing. Both parties present evidence, witnesses, and arguments.
The judge will then issue a final custody order (allocation of parental responsibilities).
Can Custody Be Changed Later?
Yes. You can request a modification of the parenting plan if:
- A parent relocates
- There’s a significant change in the child’s needs
- One parent becomes unfit
- The child is in danger
- The child is older and expresses a reasonable preference
You must show that the change is in the child’s best interest and that circumstances have materially changed.
Do Grandparents Have Rights in Colorado?
In certain cases, yes.
Colorado allows grandparent visitation if:
- One or both parents are deceased
- The child doesn’t live with both parents
- There’s an existing custody case involving the child
However, parental rights are given primary weight, and grandparents must prove the visitation is in the child’s best interest.
Tips to Strengthen Your Custody Case in Colorado
- Be actively involved in your child’s daily life (school, health, routines)
- Keep communication civil and documented
- Submit a clear, child-focused parenting plan
- Stay compliant with temporary orders
- Avoid speaking negatively about the other parent
- Document all instances of support or concern (texts, emails, calendars)
Final Thoughts: Know the Law, Stay Focused on the Child
Colorado’s child custody system — or more accurately, “parental responsibility system” — emphasizes cooperation and the child’s emotional and developmental needs.
Judges favor parents who can co-parent maturely, communicate effectively, and keep their child’s best interests front and center.
If you’re just starting the process, remember: You don’t need to be a legal expert — just a parent willing to understand, adapt, and prioritize your child.
If your case is complex, don’t hesitate to hire a family law attorney. But even without one, being prepared, respectful, and informed can go a long way in Colorado family courts.
Frequently Asked Questions
Q1: What is the difference between custody and parental responsibilities in Colorado?
A: Colorado uses the term “allocation of parental responsibilities” instead of “custody.” It includes parenting time and decision-making power.
Q2: How does the court decide where the child will live?
A: Based on the child’s best interests, the court considers each parent’s involvement, the child’s routine, safety, and more.
Q3: Can a 12-year-old choose who to live with in Colorado?
A: A child’s wishes are considered if they are mature enough, but the court makes the final decision.
Q4: Do I need a lawyer to file for custody?
A: No, but it’s recommended in high-conflict cases. You can file pro se (on your own) using forms from the Colorado Judicial Branch website.