In New Jersey, a standard residential lease can have a duration of up to one (1) year. Longer leases are valid, but all leases of one year or longer must be in writing.
Oral leases are acceptable in New Jersey for shorter lease terms. Still, it is recommended that all leases be in writing regardless of duration. Oral leases are more difficult to enforce.
The information for this answer was found on our New Jersey Residential Lease Agreement answers.