Security Deposits

Can a security deposit be used for unpaid rent?

Massachusetts rental guidance and tenant-landlord operational information.
Published February 14, 2026 State-specific rental guidance Update This Question
Reviewed by Tenants & Landlords Editorial Team

This rental guidance was reviewed by the Tenants & Landlords Intelligence Team, specializing in lease agreements, notices, rent disputes, deposits, evictions, and tenant-landlord operational procedures.

Asked 108 days ago · Massachusetts

Using a Security Deposit for Unpaid Rent in Massachusetts: What Tenants Should Know

In Massachusetts, security deposits serve as a financial safety net for landlords to cover certain costs after a tenancy ends. For tenants, understanding how security deposits can be applied, especially regarding unpaid rent, is crucial to protect their rights and avoid unnecessary disputes.

What Is a Security Deposit in Massachusetts?

A security deposit is a sum of money collected by a landlord from a tenant before moving in. Under Massachusetts law, security deposits are intended to cover:

  • Unpaid rent
  • Damage to the rental property beyond normal wear and tear
  • Other breaches of the lease agreement
Massachusetts General Laws Chapter 186, Section 15B specifically regulates the collection, handling, and return of security deposits for residential leases.

Can a Security Deposit Be Used for Unpaid Rent?

Yes. In Massachusetts, a landlord can lawfully use the security deposit to offset unpaid rent that remains at the end of the tenancy. This means if a tenant leaves the property owing rent, the landlord may deduct the amount owed from the security deposit before returning any remaining balance. Key points include:

  • The landlord must provide a detailed itemized list of any deductions made from the security deposit within 30 days after the tenancy ends.
  • Deductions can only be for legitimate expenses under the lease, including unpaid rent and damage repairs—not for normal wear and tear.

Tenant Protections Regarding Security Deposit Use

Massachusetts law provides several protections for tenants related to how security deposits are handled:

1. Written Notice of Deductions

After the lease ends and the tenant has moved out, the landlord has 30 days to:

  • Return the security deposit in full or
  • Provide a written list detailing any deductions made, including those for unpaid rent, alongside the remaining deposit balance.
If the landlord fails to do this within 30 days, the tenant is entitled to the full deposit plus possible statutory damages.

2. Itemized Statement Requirement

For any deductions, including those for unpaid rent, the landlord must provide an itemized statement. For example:

  • If the tenant owes two months’ rent totaling $2,000, the landlord must specify this clearly.
  • The statement should also itemize any damage repair costs if applicable.

3. Limits on Security Deposit Amount

Massachusetts limits security deposits to no more than one month’s rent for leases up to one year. If the landlord attempts to withhold more than this amount (combined with unpaid rent), tenants have grounds to challenge the landlord’s actions.

4. Interest on Security Deposits

When a landlord holds a security deposit for a continuous 12-month period or longer, they are required to pay interest to the tenant annually. This interest cannot be used to cover unpaid rent—it belongs to the tenant.

How Tenants Can Protect Themselves

Review the Lease Carefully

Know the exact terms related to rent payment, security deposit procedures, and conditions under which deductions can be made.

Document Rent Payments

Keep receipts, bank statements, or any proof of timely rent payments. This can be invaluable if a dispute arises over alleged unpaid rent.

Conduct a Move-Out Inspection

Request a joint walkthrough with the landlord at move-out to discuss the property’s condition and potential charges. Taking photos or videos of the unit’s condition upon departure helps disprove claims for damage and supports a fair security deposit return.

Communicate in Writing

Maintain written communication with your landlord regarding rent and deposit issues. Written records help clarify misunderstandings and serve as evidence if disputes escalate.

Know Your Rights and Legal Remedies

If a landlord unlawfully withholds a deposit or improperly applies it against rent, tenants can:

  • File a complaint with the Massachusetts Consumer Affairs division or Housing Court
  • Seek recovery of the deposit plus statutory damages, which can be up to three times the deposit amount if the landlord acted in bad faith

Summary

  • Security deposits in Massachusetts can be applied by landlords to cover unpaid rent after a tenancy ends.
  • Landlords must provide tenants with an itemized list of deductions within 30 days.
  • The total security deposit is limited to one month’s rent for standard leases.
  • Tenants have strong legal protections and remedies if landlords misuse security deposits.
Understanding these rules can help Massachusetts tenants confidently navigate security deposit issues and ensure their funds are handled fairly in relation to unpaid rent. If questions or disputes arise, tenants may consult legal aid organizations or tenant advocacy groups for assistance tailored to their specific situations.

Ask a Rental Question