It is possible for one party to get the house and the 401k...it just depends on the agreement of the parties or the overall value of the estate.  Most judges will approve whatever the parties can come up with regarding the disposition of their property.  If the parties cannot agree, then the judge is required to divide the estate "fairly and equitably."  This does not require the judge to divide the estate 50/50....even though most judges will try to get it close to 50/50.  When judge's deviate from 50/50, it is usually related to one person taking on more debt or the bad conduct associated with one party.