State law applies here too. Where both cover a rental, the stricter city rule usually wins; each rule below says so.
New Jersey lawDepends on the building
NJ Security Deposit Law – cap, handling, interest and return
How big can the deposit be?
Max 1.5 months' rent.
They must return it within 30 days of move-out, with interest.
Depends on the number of units or whether the owner lives in the building.
Who it covers
Not owner-occupied buildings with 3 units or fewer.
Exemptions: Owner-occupied two- or three-family dwellings unless the tenant sends a written request; interest rules do not apply to seasonal rentals.
The law, word for word
“The maximum-security deposit to be collected by the landlord cannot be more than
one and one-half times one month’s rent ( N.J.S.A. 46:8-21.2 ). …”
N.J.S.A. 46:8-21.2 · nj.gov · Retrieved Oct 1, 2026
Quote checked word for word
No other rule found
The Edison Township code provisions provided contain no local security-deposit rule. Deposits in Edison are governed by the state Security Deposit Law (1.5 months' rent cap).
The law, word for word
“The maximum-security deposit to be collected by the landlord cannot be more than
one and one-half times one month’s rent ( N.J.S.A. 46:8-21.2 )”
N.J.S.A. 46:8-21.2 · nj.gov · Retrieved Oct 1, 2026