New Jersey Rental Calculators & Landlord-Tenant Tools
Free New Jersey rental calculators and landlord-tenant tools — everything you need to verify deposits, check fees, and protect your rights under New Jersey law.
New Jersey Security Deposit Interest Calculator
Calculate the interest your landlord legally owes you on your security deposit under New Jersey law.
Interest required (accrues dynamically)New Jersey Late Fee Calculator
Verify if your landlord's late fees violate New Jersey grace periods or statutory caps.
Uncapped late fees (lease terms apply)New Jersey Break Lease Fee Calculator
Estimate your financial exposure and check the landlord's duty to mitigate under New Jersey law.
Landlord must mitigate damagesNew Jersey Security Deposit Limits
Check if your deposit exceeds New Jersey legal caps and track your return deadlines.
Max 1.5 months rent & 30-day returnNew Jersey Rent Increase Calculator
Check if your rent increase is legal and review local rent stabilization guidelines in New Jersey.
No statewide capNew Jersey Rent Calculator
Calculate prorated rent for a mid-month move-in or move-out in New Jersey.
Free prorated rent toolGeneral New Jersey Tenant Guide
Tenant laws in New Jersey protect you from landlord overcharges, illegal deductions, and unmitigated lease break penalties. If you find a violation using our tools above, you can use our Demand Letters to write a formal legal notification to your landlord.
Neighboring State Rental Tools
Explore landlord-tenant tools for states near New Jersey.