Under New Jersey law, tenants in foreclosed properties cannot be evicted due to foreclosure. The laws protecting tenants from eviction apply throughout the foreclosure process, even after a new owner buys the property

• 12/23/08 press release (from the State of New Jersey Department of the Public Advocate)
  
  
• The Rights of Tenants During Foreclosure brochure (from the State of New Jersey Department of the Public Advocate)