TL;DR: Pennsylvania recognizes prenups under 23 Pa.C.S. § 3106, requiring a written, voluntarily signed agreement with full and fair financial disclosure. Pennsylvania is an equitable distribution state, so without a prenup a judge divides marital property fairly but not necessarily 50/50. Under Simeone v. Simeone (1990), Pennsylvania courts generally will not second-guess whether the terms are fair.
Congratulations on your engagement. Somewhere between picking a venue and arguing about the guest list, the topic of a prenup may have come up, and if you are in Pennsylvania, you probably want to know two things: does the state take these agreements seriously, and how do you create one without spending months in a lawyer's office. Both are fair questions.
Here is the reassuring part. A prenup is a planning tool. It gives you and your partner a chance to decide together how you want to handle money, property, and support, with full information and time to think. It happens to also handle the harder case if a marriage ends. And Pennsylvania is one of the more prenup-friendly states in the country, which means the framework you build together tends to hold up. About half of U.S. adults support prenups, according to a 2023 Harris Poll conducted for Axios, so if you are considering one, you are in good company. Prenup laws differ from state to state, and Pennsylvania has its own state-specific rules worth understanding.
Are prenups enforceable in Pennsylvania?
Yes. Pennsylvania recognizes prenuptial agreements under 23 Pa.C.S. § 3106, part of the state's Domestic Relations code. As long as the core requirements are met, Pennsylvania courts treat a prenup as a binding contract between two people who chose its terms.
What sets Pennsylvania apart is how far its courts go to respect what a couple decided. In the landmark case Simeone v. Simeone, 525 Pa. 392 (1990), the Pennsylvania Supreme Court held that courts will not review the reasonableness of a prenuptial agreement's terms. In plain terms: once a court is satisfied that both partners signed voluntarily and disclosed their finances, it will not go back and ask whether the deal was a good one or a fair one. That is a meaningful signal. It means a well-drafted Pennsylvania prenup, made the right way, tends to be respected as written.
This does not mean anything goes. Enforceability is decided case by case, based on the facts of each agreement. But the direction of Pennsylvania law is clear: the state honors the choices couples make for themselves.
What Pennsylvania law requires for a valid prenup
The requirements are fewer than most people expect, and each one exists for a reason. A valid Pennsylvania prenup must be in writing, signed voluntarily by both partners, and made with full and fair financial disclosure. Those three elements come straight from 23 Pa.C.S. § 3106.
In writing. A verbal agreement about money will not hold up. The agreement has to be documented and signed.
Signed voluntarily. Both partners need to enter the agreement of their own free will. This is why timing matters so much, which we will come back to. An agreement signed under pressure the night before the wedding invites a later argument that consent was not real.
Full and fair disclosure. Each partner shares an accurate picture of what they own and what they owe before signing. Assets, income, debts, business interests. Where those get genuinely complicated, disclosure is where the work goes. This is the requirement couples sometimes dread and later appreciate, because it turns into the money conversation many couples benefit from having anyway.
Notably, Pennsylvania law does not impose a separate notarization requirement for a prenup to be valid. Many couples still choose to sign in front of a notary, because it creates a clear record of when and how the agreement was signed. Pennsylvania also does not require each partner to have their own attorney, though independent legal review for each partner is widely recommended. It strengthens the record that both people understood the agreement and signed voluntarily, which is exactly the kind of evidence that supports enforceability.
What "equitable distribution" means if you don't have a prenup
If a Pennsylvania couple divorces without a prenup, the state's default rules take over. Pennsylvania is an equitable distribution state, meaning a court divides marital property in a way it considers fair after weighing several factors, which does not always mean an equal split.
That word "equitable" trips people up, so it is worth slowing down. Under 23 Pa.C.S. § 3502, a court divides marital property in the percentages it deems just after considering all relevant factors, and it does so without regard to marital misconduct. The factors can include the length of the marriage, each partner's income and earning capacity, contributions to the marriage, and more. A judge might land on a 50/50 division, or a 60/40 one, or something else entirely, depending on the circumstances. "Equitable" doesn't always mean "equal."
This is different from community property states, where most assets acquired during the marriage are presumed to be split evenly. If you want to understand that contrast, we cover community property versus separate property in a separate post.
The practical takeaway is this. Without a prenup, you are handing those decisions to a judge and a set of statutory factors. A prenup lets you and your partner make those calls now, together, instead of leaving them to a courtroom later. If you want a fuller picture of the default rules, we have written about what happens if you don't have a prenup.
What a Pennsylvania prenup can and cannot cover
A Pennsylvania prenup is flexible, but it has firm limits. Understanding both sides keeps your expectations accurate.
On the "can" side, a prenup can address how you divide separate and marital property, who is responsible for which debts, and whether spousal support (also called alimony) is set at a certain amount, limited in duration, or waived. It can also address business interests, which matters a great deal if one partner owns a company or expects to build one during the marriage.
On the "cannot" side, there is a bright line. A Pennsylvania prenup cannot set child support, custody, or visitation. Courts decide those based on the child's best interests at the time of the dispute, not based on a document two people signed years earlier. Any terms in a prenup that try to lock in child-related outcomes are not enforceable.
Here is the scope at a glance.
| Topic | Can a PA prenup address it? | Notes |
|---|---|---|
| Division of separate and marital property | Yes | Core use of a prenup |
| Responsibility for debts | Yes | Includes premarital and marital debt |
| Spousal support / alimony | Yes | Can set amount, duration, or a waiver |
| Business interests | Yes | Can address premarital business and later contributions |
| Child support | No | Courts decide by the child's best interests |
| Custody and visitation | No | Not enforceable in a prenup |
If you and your partner want to change financial terms after you are already married, that is a separate process. In that case, consult with independent legal counsel about a postnuptial agreement, which follows its own rules.
How to get a prenup in Pennsylvania (and how much time to give it)
| Hourly rate | Typical total for the couple | |
|---|---|---|
| Pennsylvania average, all practice areas | $311 | – |
| Pennsylvania family law attorneys | $230 to $280 | – |
| Philadelphia and Pittsburgh | Up to $320 | – |
| Two Philadelphia-area attorneys hired separately | – | $2,600 to $8,700 |
| First Lawyer Review | Flat fee | $3,500, both attorneys included |
| First Self-Serve | Flat fee | $649 |
Rates from the Clio 2025 Legal Trends Report and published Pennsylvania family law rate data. Couple totals are computed from Philadelphia-area rates. Reviewed August 2026.
The process comes down to a few steps: talk with your partner, gather and disclose your finances, agree on terms, and sign a written agreement well before the wedding.
Pennsylvania does not set a fixed waiting period between signing and the ceremony. Even so, signing well before the wedding is wise. Giving both partners time to review the agreement, exchange full financial disclosure, and consider independent legal review reduces any later claim that the agreement was signed under pressure. Remember, voluntary consent is one of the pillars of enforceability under § 3106. Time is one of the best ways to demonstrate it. If you want help thinking through the calendar, we cover the best time to get a prenup in more detail.
This is where the traditional path tends to frustrate couples. The old way meant two law offices, hourly billing, and weeks of documents passed back and forth, which is what you are paying a local attorney for. It is worth comparing that against how the online services differ. First was built for the couple who wants a different experience: no PDFs to wrangle, no hourly rates, no starting from a blank page. First offers a fully digital way to create a Pennsylvania prenup on your own timeline, with the option to connect with a licensed family law attorney for independent legal review when you want one to look it over. For couples curious about budget, we break down how much a prenup costs across different approaches.
Whatever route you choose, keep the three requirements in view: written, voluntary, and fully disclosed. Build the agreement around those, give yourselves time, and a Pennsylvania prenup is designed to do the work you want it to do.
Frequently asked questions
Are prenups legally enforceable in Pennsylvania?
Yes. Pennsylvania recognizes prenuptial agreements under 23 Pa.C.S. § 3106. To be enforceable, the agreement must be in writing, signed voluntarily by both partners, and made with full and fair disclosure of each person's assets and debts before signing. Courts treat a properly made prenup as a binding contract.
Does a prenup have to be notarized in Pennsylvania?
Pennsylvania law does not impose a separate notarization requirement for a prenup to be valid under 23 Pa.C.S. § 3106. Many couples still choose to sign in front of a notary, because it creates a clear record of when and how the agreement was signed, which can help support enforceability later.
What happens without a prenup in Pennsylvania?
Pennsylvania is an equitable distribution state. If a marriage ends, a judge divides marital property in a way the court considers fair after weighing statutory factors like the length of the marriage and each partner's income. Fair does not always mean an even 50/50 split.
Can a Pennsylvania prenup cover child support or custody?
No. Under Pennsylvania law, a prenup cannot set child support, custody, or visitation. Courts decide those based on the child's best interests at the time of the dispute, so any such terms written into a prenup are not enforceable, no matter what the couple originally agreed to.
How early should we sign a prenup before the wedding in Pennsylvania?
Pennsylvania does not set a fixed waiting period, but signing well before the wedding is wise. Giving both partners time to review, disclose finances, and consider independent legal review reduces later claims that the agreement was signed under pressure, which supports the voluntary-consent requirement.
Do both partners need their own lawyer for a prenup in Pennsylvania?
Pennsylvania does not require each partner to have separate counsel for a prenup to be valid. Independent legal review is still widely recommended, because it strengthens the record that both partners understood the agreement and signed voluntarily, which is exactly the kind of evidence courts look for.
Getting started with confidence
See what a Pennsylvania prenup costs with First. Marriage rates and divorce rates in Pennsylvania are tracked in the CDC's vital statistics for the state, and nationally the marriage-divorce ratio ran about 2.42 in 2024, according to the National Center for Family & Marriage Research at Bowling Green State University. Numbers like these are not meant to alarm you. They are a reminder that planning ahead, while you are calm and hopeful and on the same team, is a gift to your future.
If you're planning a wedding in Pennsylvania, a prenup can bring clarity and an open money conversation to the start of your marriage. First offers a fully digital way to create one on your timeline, with the option to connect with independent legal review. When you're ready, you can start with First and take it at your own pace.
First is not a law firm. The information and tools provided by First on this site are not legal advice and not a substitute for the advice of an attorney.
Methodology
These figures are drawn from CDC/NCHS National Vital Statistics System data for Pennsylvania (2023 final) and the National Center for Family & Marriage Research marriage-divorce ratio report (2024, based on American Community Survey 1-year estimates). Statutory statements reflect Title 23 of the Pennsylvania Consolidated Statutes and Simeone v. Simeone, 525 Pa. 392 (1990).
Sources
- 23 Pa.C.S. § 3106, Pennsylvania General Assembly: governs the enforceability and requirements of premarital agreements in Pennsylvania.
- 23 Pa.C.S. § 3502, Pennsylvania General Assembly: sets out equitable distribution of marital property and the factors courts weigh.
- Simeone v. Simeone, 525 Pa. 392 (1990): Pennsylvania Supreme Court decision holding that courts do not review the reasonableness of a prenup's terms.
- CDC/NCHS Stats of the States, Pennsylvania (2023 final): state-level marriage and divorce vital statistics context.
- NCFMR (BGSU), Marriage-Divorce Ratio in the U.S., 2024: national marriage and divorce ratio context based on American Community Survey data.
