Step 1: Determine What’s Divisible
In most cases, only the portion of the 401(k) accumulated during the marriage is marital property. You’ll need to determine:
- The date of marriage and date of separation or divorce
- Total account balance on those dates
- Any pre-marital or post-separation contributions
Only the marital portion is typically divided via QDRO unless otherwise agreed upon or decreed by the court.

