Dividing Retirement Accounts in Divorce: QDROs, Pensions & 401(k)s

Why Retirement Accounts Are Among the Most Consequential Assets in Divorce

For many couples, retirement accounts represent their single largest asset — often exceeding the equity in their home. Yet retirement division is frequently mishandled in divorce proceedings, with errors that can cost tens or hundreds of thousands of dollars and cannot always be corrected after the fact.

At Weinrieb Law, we treat retirement division with the same rigor we bring to every aspect of a contested financial case. Understanding what is at stake — and how to protect your interests — begins with understanding how these accounts actually work under New York law.

The Marital Portion: What Is Actually Subject to Division?

New York is an equitable distribution state. Only marital property is subject to division in divorce. For retirement accounts, this generally means:

• Contributions made during the marriage (and investment growth on those contributions) are marital property, regardless of which spouse’s name is on the account.
• Contributions made before the marriage are separate property and generally belong solely to the account holder.
• Contributions made after the date of commencement of the divorce action may be excluded from the marital estate depending on when the action was filed.

Calculating the precise marital portion requires account statements, plan documents, and sometimes an actuarial analysis — particularly for defined benefit pension plans where the benefit is expressed as a monthly payment rather than a lump-sum balance.

What Is a QDRO and Why Do You Need One?

A Qualified Domestic Relations Order (QDRO) is a specific type of court order required to divide most employer-sponsored retirement plans: 401(k)s, 403(b)s, 457 plans, and defined benefit pensions. Federal retirement law (ERISA) prohibits retirement plan administrators from dividing an account based solely on a divorce settlement agreement or the divorce judgment itself. The QDRO is the additional order required to implement the division.

A properly drafted QDRO directs the plan administrator to:

• Create a separate account for the non-employee spouse (called the “alternate payee”), or
• Calculate and pay a specified portion of future pension benefits to the alternate payee at retirement

Critically, when retirement assets are transferred pursuant to a proper QDRO, the transfer is not a taxable event. The receiving spouse takes the funds into their own retirement account and pays taxes only when they eventually withdraw them. Without a QDRO, an early withdrawal could trigger income taxes plus a 10% penalty.

Common Mistakes That Cost People Money

Several errors in retirement division are unfortunately common — and some are very difficult or impossible to reverse:

• Forgetting to draft the QDRO. Settlements often address retirement division in principle but fail to prepare the actual QDRO. If a spouse dies, remarries, or retires before a QDRO is submitted to the plan, rights can be lost entirely.
• Using one QDRO for multiple plans. Each retirement plan requires its own separate QDRO. Using a generic document that does not conform to a specific plan’s requirements will be rejected by the plan administrator.
• Not specifying survivor benefit elections. For pension plans, failing to address survivor benefits in the QDRO can mean the alternate payee receives nothing if the plan participant dies before the pension starts paying.
• Accepting a “freeze date” without understanding the implications. How you measure the marital portion of a 401(k) (by contributions, by balance on a certain date, or by a coverture fraction formula) significantly affects the outcome — often by tens of thousands of dollars.
• Treating an IRA like a 401(k). IRAs do not require a QDRO. They are divided through a different mechanism (a transfer incident to divorce), and mishandling the transfer can result in unnecessary taxes and penalties.

Government Pensions Require Special Attention

New York State teachers, police officers, firefighters, and other public employees participate in state and municipal pension systems (NYSTRS, NYSLRS, ERS, TRS) that are not governed by ERISA. These plans are divided using a Domestic Relations Order (DRO) rather than a QDRO, and each system has its own specific requirements. Federal employees under FERS or CSRS have yet another separate framework. Getting this wrong can void the order entirely.

Our Approach to Retirement Division

We work to identify every retirement account and pension that exists, calculate the marital portion accurately, and draft or review the QDRO or DRO to ensure it will be accepted by the plan administrator and produces the outcome you negotiated. We coordinate with financial advisors and actuaries where the account complexity warrants it.

If you are reviewing a proposed settlement that involves retirement accounts, we strongly recommend having the retirement division terms reviewed by an attorney before you sign. Once a settlement is finalized and the divorce judgment entered, your options for correction are limited.

Further Reading

• New York Divorce Laws: 2026 Guide
• NY Spousal Maintenance Guidelines 2026