Massachusetts Landlord-Tenant Law
The rules Massachusetts landlords ask about most — deposits, late fees, and required notices — in plain English.
Security deposit limit
1 month's rent
Deposit return deadline
30 days
Must be held in interest-bearing account
Late fee rules
No fee until rent is 30 days late
Pay-or-quit notice (nonpayment)
14 days
Rent increase notice (month-to-month)
30 days
Not legal advice. This is general information for landlords and laws change — local ordinances (rent control, fee caps) may add rules. Confirm the current Massachusetts statute or consult an attorney before acting.
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