Many couples walk down the aisle without a prenuptial agreement in place. And for many, that’s a perfectly reasonable choice, particularly if they’re entering marriage with minimal assets or simply want to focus on building a life together. But if that relationship later comes to an end, it’s important to understand how Colorado law handles property division when no prenup exists. It’s not always a straight 50/50 split, and knowing what to expect can make a difficult situation at least a little more manageable. How do Colorado courts decide who gets what in a divorce without a prenup? And if I’m already married without a prenup, is signing a postnuptial agreement an option? Keep reading to find the answers to your questions and learn more about Colorado distribution laws.
Colorado is an equitable distribution state
Colorado follows a legal principle called equitable distribution when it comes to dividing property in a divorce. That means courts divide marital property based on what is fair, not necessarily what is equal. In some cases, that might look close to a 50/50 split. In others, one spouse might receive more based on their financial situation, contributions to the marriage, or other relevant factors. This is different from “community property” states like California or Texas, where most assets acquired during marriage are generally split in half. In Colorado, the court has more discretion to consider each spouse’s individual circumstances and needs, which can feel more personalized but also more unpredictable.
What counts as marital property and what doesn’t
One of the first things the court does is determine which assets are considered marital property and which are separate property. Marital property includes nearly everything acquired by either spouse during the marriage, regardless of whose name is on the title. This can include income, real estate, retirement accounts, vehicles, debt, and even business interests if they were developed or expanded during the marriage. By contrast, separate property refers to assets owned by one spouse before the marriage, as well as gifts and inheritances received by one spouse alone. However, if separate property increases in value during the marriage or gets mixed into shared accounts, it can become partially or fully part of the marital estate and subject to distribution upon divorce. For example, if you inherited money before the marriage but deposited it into a joint account and used it toward a down payment on a home, some or all of that inheritance might be subject to division.
How the court decides what’s “fair”
When divorcing spouses can’t agree on how to divide their property, the court steps in. Judges in Colorado use a number of legal and financial considerations to determine a fair distribution under Section 14 of the Colorado Revised Statutes. These include the contribution of each spouse to the acquisition of property, including contributions as a homemaker; the value of each spouse’s separate property; each person’s economic circumstances at the time of division; and prioritizing custodial parents staying in the family home (C.R.S. § 14-10-113).
The court may also consider whether one spouse supported the other’s education or career, or whether one spouse stayed home to raise children while the other advanced professionally. The idea is to arrive at an arrangement that reflects not just the dollar value of each person’s contributions, but the life circumstances that made those contributions possible. It makes sense that courts would consider many personal factors when making such a personal decision on behalf of two parties. But trying to guess what a court will decide in a future divorce is an exercise in futility since these decisions are rarely cookie-cutter.
A quick look at the legal factors considered
Here’s a brief list of what judges typically take into account when dividing marital property without a prenup in Colorado:
- The contribution of each spouse to the acquisition of marital property (including non-financial contributions like caregiving and homemaking)
- The value of each spouse’s separate property
- The financial needs and future earning potential of each spouse
- Whether either spouse will have primary custody of the children
- Any increases or decreases in the value of separate property during the marriage
These factors allow for flexibility but also introduce the potential for disagreement, which is why many couples prefer to reach an agreement outside of court if they can. The ideal scenario is reaching this agreement before the marriage even begins. Through a prenuptial agreement, couples have the opportunity to make difficult decisions about property classification and division early in the relationship. This starts the marriage off with financial transparency and clear idea of each other’s expectations and wishes for the future. But, Colorado couples who are already married without a prenup have the option to sign a postnuptial agreement. We’ll discuss this below.
Real-life examples help show how Colorado distribution principles play out
Let’s say one spouse came into the marriage with a small business and spent the next 15 years growing it with support from the other spouse, who took time out of their career to stay home to raise children. While the business itself might have been separate property at the beginning, its growth and increased value during the marriage could be considered marital property, particularly if the other spouse’s contributions helped make that growth possible.
Or imagine a couple where one spouse received a home as an inheritance before marriage. If they kept the title in their name and never used joint funds for maintenance or mortgage payments, that home might remain separate property. But if they refinanced the mortgage using marital funds or added their spouse to the title, the home, or at least part of its value, could become part of the marital estate and subject to division upon divorce. How a party treats their separate property during marriage makes an enormous impact on how a court classifies that property during a divorce.
In a third scenario, suppose both spouses worked and kept separate bank accounts throughout a short marriage. If neither spouse contributed to the other’s assets, and there were no children, the court might divide the marital estate relatively evenly and simply let each person walk away with what’s in their own name. The main points here are that the outcomes of divorce distributions are often as unique as the marriages themselves and that it matters how you treat your assets during marriage.
Why some couples still choose to reach a private agreement
Even without a prenup, couples always have the option to come to their own agreement on property division. This can be done through negotiation, mediation, or collaborative divorce, and the result is typically called a separation agreement. Courts generally honor these agreements as long as they’re fair and voluntarily signed by both parties. There’s a real benefit to this approach. Not only can it be faster and less expensive than a court battle, but it also allows you and your spouse to maintain more control over your future. After all, no judge knows your financial life or personal values as well as you do.
What this means if you’re planning ahead
If you’re already married without a prenup, that doesn’t mean you’re out of options. In Colorado, couples can enter into a postnuptial agreement. This is essentially a prenup signed after the wedding. Like a prenup, it allows you to define how assets and debts will be divided if the marriage ends. If your finances have grown more complex over time, or if this is not a first marriage, and you want to protect children from a previous relationship, it might be worth exploring. Even if you never put anything in writing, open and financial communication now can go a long way in avoiding confusion and disagreements later. Keep good records. Stay informed about your shared and separate assets. And if you’re thinking about what a fair outcome would look like, talk it through early (preferably before things get tense).
Final thoughts on how property in Colorado is divided without a prenup
Colorado’s approach to dividing property without a prenup is rooted in fairness, but that fairness doesn’t always mean a clean 50/50 split. The courts look at context like your contributions, your needs, and your future. And while that flexibility can be a good thing, it also adds uncertainty. That’s why many couples choose to make their own agreements, whether through a prenup, postnup, or thoughtful discussions about shared goals. If you’re thinking about protecting what you’re building together, talk about your concerns and your goals. Be honest with your partner and get on the same page regarding your financial futures. Having these conversations now is not only beneficial if there’s a divorce in the future, but talking openly and honestly with one another can prevent a divorce entirely.

Maria Zalessky of Zalessky Law Group focuses on a holistic practice including family law, prenuptial and post-nuptial agreements, and estate planning. Ms. Zalessky’s multi-faceted practice allows her insight into specialized aspects of prenups including the estate planning implications.
Ms. Zalessky is fluent in Russian and loves helping people communicate clearly through their different planning documents. In her opinion, the prenup is one of the most honest manifestations of trust and love.


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