Maryland Lease Addendums Renters Should Know About

Leases in Maryland often include addendums—extra documents that change or expand the rules of your agreement. As a renter, it’s vital to understand what you’re signing and how these addendums can affect your rights under Maryland law. Knowing what to look for empowers you to avoid surprises and stand up for your interests.

Understanding Lease Addendums in Maryland

A lease addendum is a legally binding document added to your lease, changing or clarifying certain terms. Maryland law allows landlords to include addendums, but they cannot override your basic rights as a tenant as described in the Maryland Real Property Code, Title 81.

Common Lease Addendums Tenants Should Watch For

  • Pet Addenda: Details on pet deposits, restrictions, and your responsibilities if you keep a pet.
  • Late Fee Addendum: Specifies the amount, timing, and calculation of late rent fees. Maryland law caps most late fees at 5% of the monthly rent1.
  • Maintenance and Repairs Addendum: Outlines who handles repairs and what counts as an emergency. This should not remove the landlord’s duty to maintain the property.
  • Mold Disclosure and Remediation Addendum: Informs you of known mold hazards and lays out how mold or water issues will be addressed.
  • Utilities Addendum: Explains which utilities you are responsible for, and whether they are included in rent or billed separately.
  • Renter’s Insurance Addendum: Some landlords require tenants to purchase renter’s insurance and provide proof of coverage.

Always read addendums closely—they become part of your lease and are enforceable under Maryland law. If you’re unsure about an addendum, ask questions or seek advice before signing.

Addendum Red Flags and Required Disclosures

Lease addendums must not violate state or federal laws. Be cautious of addendums that:

  • Attempt to waive your right to a habitable home
  • Impose excessive penalties (for instance, illegal late fees)
  • Give the landlord entry rights without proper notice (except in emergencies)
  • Force you to pay for normal “wear and tear”

Landlords must also provide specific disclosures, including lead paint warnings for homes built before 1978. You can review required lead-related forms and information on the Maryland Department of the Environment’s official site.

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Key Maryland Lease Forms and Their Uses

Maryland does not require a standardized state lease form, but several official forms are essential for renters, especially concerning disclosures and notices related to lease changes.

  • Lead-Based Paint Disclosure Form (MDE Lead Inspection Form 330):
    MDE Lead Inspection Forms. Use: Landlords must give you this form if the property was built before 1978 to disclose known lead hazards. For example, before you sign a lease, the landlord provides Form 330 as proof of compliance.
  • Move-In/Move-Out Checklist:
    While not always called a "form," the Maryland Attorney General recommends documenting the rental’s condition at move-in and move-out. This is key if your lease includes a security deposit addendum. See sample checklists from the Maryland Office of the Attorney General.
  • Notice to Cease or Correct (No state form):
    If your lease has a rules enforcement addendum (such as on noise or other violations), the landlord should provide a written notice giving you a chance to correct the issue before taking action. These notices should reference the specific addendum and rule allegedly violated.

Always keep copies of any addendums or notices you receive or sign during your tenancy.

Who Oversees Residential Leases in Maryland?

Disputes over lease terms or problematic addendums are typically handled by the Maryland District Court. Most counties have their own branch. You can find your local District Court and learn how to proceed with a dispute through the Maryland Courts Landlord-Tenant page.2

If you believe an addendum is unfair or illegal, do not sign the lease until you’ve spoken to the landlord or sought advice from a local tenant resource. Your signature means you agree to all terms – including addendums.

What to Do If You Have an Issue with an Addendum

Maryland law gives tenants the right to challenge illegal or unfair lease provisions. Steps you can take include:

  • Ask the landlord (in writing) to clarify or remove problematic addendums
  • Contact Maryland’s Office of the Attorney General’s Consumer Protection Division for guidance
  • File a dispute with District Court if you believe your lease violates your statutory rights

Keep all communications in writing and save copies for your records. Acting early can prevent misunderstandings and protect your rights.

FAQs: Lease Addendums in Maryland

  1. Can a Maryland landlord add a new addendum after I've signed my lease?
    No, lease addendums added after you and your landlord sign the lease typically require your written agreement. You cannot be forced to accept new addendums unless you agree to them as part of a lease renewal.
  2. Do I have to sign all addendums for the lease to be valid?
    No, but the lease and all addendums together make up your agreement. If you refuse an addendum, the landlord might not agree to rent to you. Always review and discuss any concerns before signing.
  3. What if an addendum conflicts with Maryland state law?
    Any lease addendum that contradicts your rights under Maryland law is not enforceable. For example, an addendum waiving your right to repairs would not be valid.
  4. Are utility billing addendums allowed in Maryland?
    Yes, but the addendum must clearly explain how you are billed for utilities. You have the right to request information about how charges are calculated.
  5. Where can I get help reviewing a Maryland lease or addendum?
    You can contact the Maryland Attorney General's Office or your local legal aid organization for free advice and review of rental agreements.

Summary: Protecting Yourself from Problematic Addendums

  • Always read all lease addendums before signing—ask questions if you’re unsure
  • Know that Maryland law limits what addendums can require or restrict
  • Reach out for legal help if an addendum feels unfair or conflicts with your rights

Staying informed about your lease terms sets you up for a smoother, safer rental experience.

Need Help? Resources for Renters


  1. Maryland Real Property Code Title 8: Landlord and Tenant
  2. Maryland District Court: Landlord-Tenant
Bob Jones
Bob Jones

Editor & Researcher, Tenant Rights USA

Bob writes and reviews tenant law content for various regions. They’re passionate about housing justice and simplifying legal protections for renters everywhere.