Maryland Rental Calculators & Landlord-Tenant Tools
Free Maryland rental calculators and landlord-tenant tools — everything you need to verify deposits, check fees, and protect your rights under Maryland law.
Maryland Security Deposit Interest Calculator
Calculate the interest your landlord legally owes you on your security deposit under Maryland law.
Interest required (accrues dynamically)Maryland Late Fee Calculator
Verify if your landlord's late fees violate Maryland grace periods or statutory caps.
0-day grace period & capMaryland Break Lease Fee Calculator
Estimate your financial exposure and check the landlord's duty to mitigate under Maryland law.
Landlord must mitigate damagesMaryland Security Deposit Limits
Check if your deposit exceeds Maryland legal caps and track your return deadlines.
Max 1 month rent & 45-day returnMaryland Rent Increase Calculator
Check if your rent increase is legal and review local rent stabilization guidelines in Maryland.
No statewide capMaryland Rent Calculator
Calculate prorated rent for a mid-month move-in or move-out in Maryland.
Free prorated rent toolGeneral Maryland Tenant Guide
Tenant laws in Maryland 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 Maryland.