You’re thinking about a marital agreement, or maybe your partner brought it up, and you’re trying to understand what it actually means.

First, let’s clear something up: Wanting a prenup or postnup doesn’t mean your relationship is doomed. It doesn’t mean someone doesn’t trust you. And it definitely doesn’t mean you’re “planning for divorce.”

What it actually means is that you’re both willing to have honest conversations about money, property, and expectations, which, frankly, is one of the healthiest things you can do for your relationship.

Think of marital agreements like insurance: You don’t get it because you’re planning to get into an accident tomorrow, but because you’re responsible and realistic. Same principle here.

So let’s talk about prenups and postnups — what they are, how they’re different, and how to figure out which (if either) makes sense for your situation.

What’s a Prenup?

A prenuptial agreement (prenup) is a contract you create before getting married that defines how property, debts, and certain other issues will be handled during the marriage and in the event of divorce or death.

Timing: Signed before marriage

When it takes effect: The moment you say “I do”

Common reasons people get prenups:

• Partners want to be fair and reasonable with each other from the start
• They prefer to set their own rules about money rather than letting state law decide
• They’re being realistic, even when there’s no major disparity, they want clarity about expectations
• They’ve seen friends or family go through difficult divorces and want to avoid that uncertainty
• They don’t want to spend tens of thousands of dollars to get divorced
• One or both partners have significant assets going into the marriage
• One partner owns a business or professional practice
• One or both have children from previous relationships, they want to protect
• There’s a significant income disparity
• One partner has substantial debt
• Family wealth or inheritance is involved
• One partner is giving up a career for the marriage

What’s a Postnup?

A postnuptial agreement (postnup) does essentially the same thing as a prenup, but it’s created after you’re already married.

Timing: Signed after marriage, at any point during the marriage

When it takes effect: Upon signing

Common reasons people get postnups:

• They didn’t do a prenup, but now realize they want one
• Partners want to be fair and reasonable with each other
• They prefer to set their own rules about money rather than letting state law decide
• They’re being realisti,c even when there’s no major disparity, they want clarity about expectations
• They’ve seen friends or family go through difficult divorces and want to avoid that uncertainty
• They don’t want to spend tens of thousands of dollars to get divorced
• Financial circumstances have changed since marriage
• One spouse receives an inheritance or starts a business
• The couple is working through trust issues and wants clarity around finances
• They’re staying together after a rough patch and want to rebuild with clear expectations
• Retirement or a major life transition is approaching

The Real Difference Between Them

Practically speaking, prenups and postnups accomplish the same goals. The main differences are timing and, in some cases, legal scrutiny.

Timing is the obvious one: Prenup = before marriage. Postnup = after marriage.

Legal scrutiny can be different: Courts sometimes examine postnups more carefully because the parties are already in a confidential relationship (married) when they sign. There’s more potential for one spouse to have undue influence over the other. This means postnups need to be carefully drafted and executed to ensure both parties are entering into them freely and fairly.

Negotiation dynamics differ: Before marriage, you’re both independent individuals negotiating as equals. After marriage, the power dynamics may have shifted — one person may have given up a career, you may have joint accounts and debts, and there may be children involved. These factors can affect negotiations.

In Colorado, both are legally enforceable when properly created, and both can cover essentially the same territory.

What Can These Agreements Cover?

Both prenups and postnups should address:

Property division:

• How to characterize property acquired before and during marriage
• What stays separate vs. becomes marital property
• How to divide assets if you divorce
• How to handle the appreciation of separate property
• Treatment of inheritances and gifts

Financial responsibilities:

• How joint expenses are shared
• Management of joint accounts
• Debt responsibility

Business interests:

• Protection of business assets
• What happens to a business in divorce
• How to value business interests
• Whether a spouse has any claim to business growth during marriage

Spousal support (maintenance / alimony):

• Whether maintenance will be paid if you divorce
• How much and for how long
• Circumstances that might change maintenance
• Waiver of maintenance entirely (with appropriate considerations)

Estate planning coordination:

• Rights to inherit from each other
• Waiver of certain inheritance rights
• How estates will be handled

What they CANNOT cover in Colorado:

• Child custody (courts decide this based on the child’s best interests at the time)
• Child support (parents can’t waive a child’s right to support)
• Anything illegal or against public policy
• Provisions that encourage divorce

Real-Life Examples (Without the Drama)

Let’s look at actual situations where marital agreements make practical sense:

Sarah and Marcus: The Business Owner

Sarah owns a successful marketing agency she built over 10 years. She has two employees and solid contracts. Marcus is a teacher. They’re deeply in love and planning to marry.

Sarah wants a prenup to protect her business. Not because she doesn’t trust Marcus, but because:

• She built the business before they met
• She doesn’t want business decisions complicated by divorce considerations
• Her business partner is concerned about what happens if Sarah divorces
• She wants Marcus protected too — the prenup ensures he doesn’t get tangled in business debts or liabilities

The prenup clarifies: The business remains Sarah’s separate property, including growth during marriage. Marcus has no ownership claim, but also no liability for business debts. They agree to share other marital assets equally.

Result: Sarah runs her business with confidence. Marcus knows exactly where he stands. No resentment, no ambiguity.

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David and Jennifer: The Blended Family

David and Jennifer are both in their 50s, both previously married with adult children. They’re combining households.

They get a prenup because:

• Each wants to ensure their children inherit certain assets
• They have retirement accounts they’ve built over decades
• They want to combine some finances but keep some separate
• They want to avoid their kids fighting if something happens

The prenup specifies: Each keeps their current retirement accounts as separate property. The house they buy together is joint. They’ll have a joint account for expenses but maintain separate accounts too. Each will update their estate plan to leave certain assets to their own children.

Result: They both have peace of mind that their kids are protected, and they can focus on building their new life together without financial anxiety.

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Alex and Jamie: The Postnup After Inheritance

Alex and Jamie have been married for five years when Alex’s grandmother passes away, leaving Alex a $500,000 inheritance and a vacation cabin.

Alex wants this inheritance to stay separate — not because Jamie isn’t trustworthy, but because:

• It’s a family cabin with deep sentimental value
• Alex wants it to pass to their children someday
• The inheritance money might be needed for Alex’s aging parents

They create a postnup that:

• Keeps the inheritance and cabin as Alex’s separate property
• Clarifies that any income from investing the inheritance stays separate
• Confirms all other assets remain marital property

Result: The inheritance is protected for its intended purpose. Jamie isn’t offended because the reasoning is clear and reasonable. Their marriage continues with clarity.

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Monica and Chris: Rebuilding Trust

Monica and Chris went through a rough patch. Monica had been hiding debt. They did counseling and decided to stay together, but Chris needed financial transparency and boundaries to rebuild trust.

They created a postnup that:

• Requires full financial disclosure from both parties
• Establishes separate accounts alongside a joint account
• Creates clear expectations about debt and spending
• Specifies consequences if financial dishonesty happens again

Result: The postnup became a tool for rebuilding. It wasn’t about planning for divorce. It was about creating accountability and structure to make the marriage work.

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Notice what all these examples have in common? Clarity. Not suspicion. Not planning for failure. Just two people being honest about their financial realities and protecting what matters to them.

“But Won’t This Hurt Our Relationship?”

This is the fear, right? That bringing up a marital agreement will create conflict or suggest lack of trust.

Here’s the reality: If you can’t have honest conversations about money and expectations, that’s the problem, not the agreement itself.

Healthy relationships can handle these conversations. In fact, many couples report that going through the prenup or postnup process actually strengthened their relationship because:

• They had to communicate openly about money (which many couples avoid)
• They discussed expectations and values
• They learned how each other thinks about finances
• They removed ambiguity and potential future resentment
• They demonstrated respect for each other’s concerns

The couples who struggle aren’t struggling because of the agreement. They’re struggling because they can’t communicate about difficult topics. And if that’s the case, you’re going to have problems whether you have a marital agreement or not. Might as well protect yourself.

“My Partner Wants One. Should I Be Worried?”

Not necessarily. Here’s what to ask:

What’s the motivation? Is it to protect existing assets, business interests, or children from a prior relationship? That’s reasonable. Is it to control you or limit your rights unfairly? That’s a red flag.

Are they being transparent? Are they willing to share full financial information? Explain their reasoning? That’s healthy. Are they being secretive or pressuring you? That’s concerning.

Is the agreement fair? Does it protect both of you, or just one person? Are you both getting something from the arrangement? Fairness doesn’t mean identical, but it should be balanced.

Bottom line: Your partner wanting a marital agreement isn’t inherently concerning. But how they’re approaching it — with transparency and fairness, or with secrecy and pressure — tells you what you need to know.

The Process: What to Expect

If you decide to move forward with a prenup or postnup, here’s typically how it works:

1. Initial discussion between partners Talk about why you want an agreement and what you want it to cover. Be honest.

2. Consider getting independent legal advice In Colorado, you’re not required to have attorneys, but you should understand that you have the right to independent legal counsel. Your options are:

• Each partner retains their own attorney
• One partner has an attorney, while the other chooses not to
• You share one attorney (though this comes with risks and limitations you need to understand)
• Neither partner uses an attorney (though this significantly increases the risk the agreement could be challenged later)

3. Full financial disclosure Both parties disclose all assets, debts, income, and financial obligations. This is legally required. Hiding assets can invalidate the entire agreement.

4. Drafting Once you’ve discussed your goals and disclosed finances, a first draft of the agreement is prepared.

5. Review period Both parties (and both attorneys, if you’ve retained them) review the draft carefully. Take your time—don’t rush.

6. Negotiation After reviewing, you negotiate any terms that need adjustment. This might take several rounds as you work toward an agreement that works for both parties.

7. Revisions Based on negotiations, the agreement is revised to reflect what you’ve both agreed to. It’s normal to go through multiple drafts.

8. Signing Both parties sign in front of a notary.

Timeline:

• Prenups: Plan for 3-4 months
• Postnups: Usually 2-3 months, but no hard deadline

Rushing the process can invalidate the agreement, so build in plenty of time.

Red Flags to Watch For

Whether you’re considering a prenup or postnup, watch out for:

• Pressure to sign quickly (especially right before a wedding)
• Refusal to provide full financial disclosure
• Your partner discourages you from getting your own attorney
• Extremely one-sided terms that protect only one person
• Secretiveness or evasiveness about the reasons for the agreement
• Threats (like “I won’t marry you without this”)
• Provisions that seem designed to control you during the marriage

If you’re seeing these red flags, the problem isn’t the agreement; it’s the relationship dynamics.

Green Flags to Look For

Healthy marital agreement conversations include:

• Transparency about assets and motivations
• Willingness to ensure both parties have legal representation
• Flexibility in negotiations — both people compromising
• Plenty of time to review and think things through
• Mutual respect during discussions
• Fairness is a priority for both parties
• Open communication about concerns and fears

Cost Considerations

Prenups typically cost: $2,000 – $5,000+ per person

Postnups typically cost: Similar range, sometimes slightly more due to the added complexity of already being married

Factors affecting cost:

• Complexity of assets
• Whether there’s a business involved
• How much negotiation is needed
• Whether you’re in agreement on most terms already
• Attorney’s experience and fee structure

At Lester Law, we use flat-fee pricing for marital agreements, so you know exactly what you’re paying upfront. No surprise bills, no anxiety about asking questions.

Questions to Ask Your Attorney

When you’re interviewing attorneys for a prenup or postnup:

• How many marital agreements have you drafted?
• How do you charge — hourly or flat fee?
• What’s your approach to making these agreements fair for both parties?
• How do you handle negotiations when there’s disagreement?
• What’s your timeline for completing the agreement?
• What happens if we need to modify it later?
• How do you ensure these agreements will hold up in court?

Can You Modify or Cancel a Marital Agreement Later?

Yes. Both prenups and postnups can be:

Amended: If your circumstances change, you can modify the agreement, but both parties must agree and the amendment must be in writing.

Revoked: You can cancel the agreement entirely if you both agree.

What you cannot do: Unilaterally change or cancel the agreement. Both parties must consent to any changes.

Common reasons for modifications:

• Birth of children
• Major change in financial circumstances
• Starting a business
• One spouse gives up career
• Retirement approaching

Your marital agreement isn’t carved in stone. It can evolve as your life evolves.

So, Which Do You Need: a prenup or a postnup?

Here’s the simple answer:

Get a prenup if:

• You’re not married yet
• You have time before the wedding (at least 2-3 months)
• You’ve identified the need for an agreement before marriage

Get a postnup if:

• You’re already married
• Circumstances have changed since marriage
• You didn’t get a prenup, but now wish you had
• You’re working through issues and want financial clarity

The timing of your marriage is really the deciding factor between prenup and postnup. They accomplish the same goals.

The Honest Truth

Here’s what we want you to know: Marital agreements aren’t romantic. They’re not fun to negotiate. And yes, they require you to think about uncomfortable “what if” scenarios.

But you know what else isn’t romantic? Financial conflict. Resentment about money. Ambiguity about who owns what. Fighting about your business in divorce court. Your kids are worrying about their inheritance.

Marital agreements are practical tools for practical people who want clarity and trust in their relationships.

The strongest marriages can handle honest conversations about money and expectations. If discussing a prenup or postnup feels impossible, that’s information about your relationship, not about whether the agreement is a good idea.

How Lester Law Helps

At Lester Law, we’ve helped countless couples navigate marital agreements — both prenups and postnups — for more than ten years.

We approach these conversations with candor and without judgment. Our goal is creating an agreement that’s fair, legally sound, and gives you both clarity and peace of mind.

We use flat-fee pricing so you know what you’re paying from the start. And we make sure you understand every provision in your agreement — no legal jargon without explanation.

Whether you’re engaged and planning ahead or married and realizing you need an agreement now, we’ll guide you through the process with professionalism and care.

Your Next Step

If you’re thinking about a prenup or postnup, the first step is just a conversation.

We’ll discuss your specific situation, what you’re hoping to accomplish, and whether a marital agreement makes sense for you. We’ll explain the process, answer your questions, and give you clear pricing.

No pressure. No judgment. Just honest guidance to help you make the best decision for your relationship.

Considering a prenup or postnup? Contact Lester Law to schedule a free consultation. We’ll help you understand your options and create an agreement that protects you both.

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This website includes information about legal issues. Such materials are for informational purposes only and may not reflect the most current legal developments. These informational materials are not intended, and should not be taken, as legal advice on any particular set of facts or circumstances. You should contact an attorney for advice on your specific legal problems.