1. Entering without proper notice
Federal and Massachusetts laws universally require landlords to give advance notice before entering a rental unit — typically 24 to 48 hours, depending on the state, except in genuine emergencies. A landlord who lets themselves in to “check something” or do a quick repair without warning you is breaking the law. Document every instance with a date and time. Repeated unauthorized entry can support a legal claim.
2. Withholding your security deposit without documentation
Massachusetts require landlords to return your security deposit within 30 days of move-out, accompanied by an itemized written list of any deductions. A landlord who simply keeps your deposit, provides no documentation, or claims vague “cleaning fees” without receipts is almost always violating state law. In many states, improper withholding entitles you to double or triple the deposit amount in damages.
Landlords are legally prohibited from retaliating against tenants for reporting code violations, habitability issues, or health and safety complaints to authorities. Retaliation includes raising rent, reducing services, failing to renew your lease, or initiating eviction proceedings within a protected window after a complaint. Most states presume retaliation if any of these actions happen within 60 to 90 days of a protected complaint.
4. Renting a unit that isn’t habitable
Every state recognizes what’s called the implied warranty of habitability — the legal guarantee that a rental unit must be safe and livable when you move in and remain so throughout your tenancy. This covers working heat, plumbing, electrical systems, weatherproofing, and freedom from infestations. A landlord who ignores repair requests for broken heat in winter, persistent mold, or a pest infestation is violating this warranty — and in most states, you can legally withhold rent or pay for repairs yourself and deduct the cost until the problem is fixed.
Some landlords include provisions in lease agreements that are legally unenforceable — such as clauses waiving your right to a habitable unit, prohibiting you from having guests, charging fees not permitted by state law, or claiming the right to enter without notice. Signing a lease with illegal clauses doesn’t make those clauses binding. Courts routinely strike them down. Read your lease carefully and look up your state’s tenant rights laws before signing.
6. Charging more than the legal security deposit limit
Massachusetts cap how much a landlord can charge as a security deposit — typically one to two months’ rent. In Massachusetts, for example, the maximum is one month’s rent, regardless of what the lease says. Charging more than the legal cap is itself a violation that may entitle you to damages. If your landlord charged you more than your state allows, you may have a claim — even if you paid it without objecting at the time.
If you believe your landlord has violated your rights, your first step is documenting everything in writing.
Contact the Law Offices of Renee Lazar at 978-844-4095 to schedule a FREE one hour no obligation consultation.
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