[header] How to buy tax liens in new jersey [title] Check municipality registration requirements. [step] While each municipality is required to have at least one tax sale each year, some have more than one. Check the website of the tax collector for the municipalities where you're interested in buying property. 
They will list the deadlines and requirements for registering as a bidder. [substeps] At a minimum, you must be at least 18 years old and a citizen or legal resident of the united states.