Article Summary
Colorado hasn’t used the word “custody” in its statutes for years, but almost every parent walking into a family law office still uses it, and still assumes the case will come down to which parent is more deserving. That assumption shapes how people prepare, and it’s often the wrong one. Colorado courts allocate parental responsibilities based on what serves the child, not on which parent presents better, and a custody lawyer’s first job is often correcting that misunderstanding before it costs a client the case.
This guide covers what legal standing a parent actually has to bring a custody case in Colorado, how courts apply the best-interest standard, what tends to go wrong for parents who try to handle a custody dispute without representation, and how an existing custody order can be changed later. None of this is a substitute for a conversation about your specific parenting situation, but understanding how the law actually works changes how you walk into that first conversation.
The decisions made in a parenting time and decision-making order shape your relationship with your child for years, not months. Getting the legal framework right from the start is far easier than trying to unwind a bad outcome afterward.
What Legal Rights Does a Parent Have in a Colorado Custody Case?
Both legal parents have the right to bring a case asking a Colorado court to allocate parenting time and decision-making authority, and the court starts from the position that both parents’ involvement matters, not that one parent is presumed to have priority over the other.
Under C.R.S. § 14-10-123, a parent can commence a proceeding for allocation of parental responsibilities either as part of a divorce or legal separation, or as a standalone petition filed in the county where the child lives. Non-parents, such as grandparents or other relatives, have much more limited standing and generally can only file if the child isn’t currently in either parent’s physical care. The statute also triggers an automatic temporary injunction the moment a case is filed, restraining either parent from removing the child from Colorado without the other parent’s consent or a court order.
As custody lawyers, we’ve had parents come in believing that being the one who files first, or the one who initially has the child living with them, gives them an automatic advantage. It doesn’t. What matters is your ongoing relationship with your child and your ability to meet their needs, documented consistently over time, not who technically started the case. We regularly see parents assume they have no real standing simply because the other parent moved out with the children first. Once a case is filed and the automatic injunction is in place, the actual analysis comes down to that parent’s history of involvement, not who moved first. Our child custody attorneys start by mapping out exactly what standing and history you bring to the case before deciding on strategy.
How Does a Colorado Court Decide What’s Best for the Child?
A Colorado court decides parenting time and decision-making by weighing a specific list of best-interest factors set out in statute, including the child’s relationship with each parent, each parent’s ability to encourage the child’s bond with the other parent, and the child’s adjustment to home, school, and community.
According to C.R.S. § 14-10-124, the statute explicitly states that courts cannot presume either parent is better suited to serve as the primary caregiver based on gender, and it requires courts to consider each parent’s willingness to foster a positive relationship between the child and the other parent. When domestic violence or abuse is alleged, the law shifts significantly. The court must presume that joint decision-making is not in the child’s best interest unless the parties can demonstrate they can make decisions safely, and it can order supervised parenting time or other restrictions to protect the child and the other parent.
From our perspective as custody lawyers, this is where cases are frequently won or lost on evidence, not on which parent is more sympathetic. A parent who can document specific involvement, consistent participation in school and medical decisions, and a track record of putting the child’s schedule first tends to fare far better than a parent who simply asserts they’re the more capable one. We’ve seen claims that a parent was “uninvolved” fall apart once records were compiled: school pickup logs, medical appointment attendance, and message history coordinating the child’s schedule over an extended period. If safety is a concern in your case, our parenting plans team builds documentation and safeguards into the proposed order from the outset.
What Happens If You Try to Handle a Custody Case Without a Lawyer?
Parents who represent themselves in a custody case are far more likely to end up with an order that doesn’t reflect their actual involvement with their child, because they don’t know what evidence the court needs, how to respond to the other side’s filings, or how the best-interest factors actually get applied in practice.
Going unrepresented in family court is common, but the data on outcomes is a warning sign, not a reassurance. Research compiled by the National Center for State Courts and summarized in an overview of self-represented litigation found that one party appeared without a lawyer in roughly two-thirds of the domestic relations cases studied, and in some counties, more than 70 percent of family law cases involved at least one unrepresented party. The same research found custody-specific representation gaps as well, with unrepresented rates in custody matters running close to 40 percent in some jurisdictions studied.
We’ve taken over cases midway through where a parent represented themselves for months, missed a deadline to respond to a proposed parenting plan, and ended up with a default schedule that didn’t match how involved they actually were with their child. Family court procedure doesn’t pause to explain itself, and the other parent’s attorney, if they have one, isn’t obligated to help you catch up. If you’re already in a case and starting to feel outmatched, it’s worth getting a family law attorney involved before the next deadline, not after you’ve missed one.
Can a Custody Order Be Changed Later in Colorado?
Yes, a Colorado parenting time or decision-making order can be modified, but the standard for changing it depends on how significant the change is. Minor adjustments to parenting time generally just need to serve the child’s best interest, while a substantial change, such as switching which parent has primary responsibility, requires proof of a real change in circumstances.
Under C.R.S. § 14-10-129, a substantial modification requires facts that arose after the original order, or weren’t known to the court at the time, showing a change in the circumstances of the child or the parent the child lives with. The law also restricts filing repeated modification motions, generally barring a new motion for two years after a prior one was decided unless the court finds the child’s current situation endangers their physical health or emotional development, or a parent plans to relocate.
We’ve seen parents assume that a new job, a remarriage, or general dissatisfaction with the existing schedule is enough to reopen the case. It usually isn’t, unless it rises to the level the statute requires. On the other hand, we’ve also represented parents facing a genuine change, a planned out-of-state relocation or a documented safety concern that developed after the original order, where the modification standard was clearly met and the case moved forward. If your circumstances, or your child’s, have genuinely changed since your last order, talk with our office about whether it meets the legal threshold before you file.
Frequently Asked Questions
Q: Is “custody” still a legal term in Colorado? A: No. Colorado law uses “allocation of parental responsibilities,” covering both parenting time and decision-making authority, but most parents and even many attorneys still use “custody” as shorthand for the same concept.
Q: Does a mother automatically get custody in Colorado? A: No. Colorado statute explicitly prohibits courts from presuming either parent is better suited based on gender. The court’s decision is based on the best-interest factors and each parent’s documented involvement, not on which parent is the mother or father.
Q: Can grandparents or other relatives get custody rights in Colorado? A: Only in limited circumstances. Non-parents generally need to show the child isn’t currently in either parent’s physical care, or that they’ve had physical care of the child for an extended period, before they have standing to file.
Q: How much does it cost to modify a custody order in Colorado? A: It depends on whether the change is contested and how significant the requested modification is. A straightforward adjustment both parents agree on costs far less than a contested substantial modification requiring evidence of changed circumstances.
Q: What can I do if the other parent won’t follow the parenting time order? A: You can file a motion to enforce the existing order or seek contempt remedies through the court. Consistent violations are also relevant evidence if you later seek to modify the order in your favor.
Protect Your Relationship With Your Child Before the Case Gets Away From You
A parenting time order is only as strong as the evidence and legal standard behind it. Waiting to get help until you’re already behind in the case makes that harder to fix, not easier.
At Lewis & Matthews, P.C., we help Colorado parents build custody cases around their actual involvement with their child, not just their side of the story. If you’re facing a custody dispute or need to modify an existing order, call (303) 329-3802 or contact us online to speak with a custody lawyer.
