Smart Lock Privacy Rights for Massachusetts Tenants

As technology evolves, many landlords in Massachusetts are installing smart locks in rental properties. While these digital systems offer new conveniences, they also raise questions for tenants about privacy, access, and control. Understanding your rights under Massachusetts law can help you balance convenience with peace of mind and personal privacy.

What Are Smart Locks and Why Do Landlords Use Them?

Smart locks are electronic devices that replace traditional keys with keycards, codes, or smartphone access. Landlords often install them for added security, easier re-keying, or to manage multiple units remotely.

  • Remote Access: Landlords or property managers can unlock doors without being physically present.
  • Access Logs: Some smart locks store data about when doors are accessed and by whom.
  • Password and Code Sharing: You may need to share a code or account with your landlord or maintenance workers.

These features can raise privacy concerns for renters, especially about who has access to their unit and how access is monitored.

Massachusetts Law: Tenant Privacy and Landlord Entry

In Massachusetts, tenant privacy is protected by statute and common law. Massachusetts General Laws Chapter 186 covers the basic rights and duties of both landlords and tenants.[1]

When Can a Landlord Enter Your Apartment?

Landlords may only enter a rental unit for specific, reasonable reasons, including:

  • To inspect the premises
  • To make repairs
  • To show the unit to prospective tenants or buyers
  • When the tenant has abandoned or surrendered the premises
  • In case of emergency (e.g., fire, water leak)

Except in emergencies, landlords must give "reasonable notice" before entering. While Massachusetts law doesn't define a specific time frame, 24 hours' notice is common practice. For more, see the Massachusetts Landlord Rights and Responsibilities Guide.[2]

Are Smart Locks Legal in Massachusetts?

Smart locks themselves are not illegal. However, the use of smart locks must not violate a tenant's right to quiet enjoyment or privacy. Tenants must always have reliable, independent access to their home, and landlords cannot use electronic entry to enter without consent or proper notice.[1]

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Smart Locks and Privacy: Key Concerns for Tenants

  • Access Data: Some smart locks create electronic logs. Ask your landlord who views this information, how long it is stored, and its purpose.
  • Shared Digital Keys: Ensure you have control over your access code or app. Request immediate updates if a landlord or former tenant may still have access.
  • Notice of Entry: You are still entitled to notice, regardless of digital entry.
  • Physical Backups: Massachusetts law encourages safe access. Landlords must ensure tenants are never locked out due to technological failure (dead batteries, app outage, etc.).
Before your landlord installs a smart lock, ask for written policies on entry, access logs, and access recovery to help protect your privacy and ensure an emergency backup is available.

What to Do If You Have a Privacy or Lockout Issue

If you believe your landlord is misusing smart lock access, not giving adequate notice, or you’re concerned about being locked out, there are steps you can take:

  • Contact your landlord in writing detailing your concern. Request a physical key or written notice policy if needed.
  • Document incidents of unauthorized entry or privacy violations. Keep dates, times, and witnesses if possible.
  • If not resolved, contact the Massachusetts Housing Court or a local legal aid service.

Relevant Forms for Massachusetts Renters

  • Tenant's Complaint Form (Housing Court): Use this to file an official complaint if privacy rights have been violated, including improper landlord entry or mishandling of lock access.
    Example: You notice the landlord has entered your apartment using a digital code without advance notice. After an unresolved written request, you submit this form to the Housing Court.
    File a Case in Massachusetts Housing Court
  • Massachusetts Tenant Complaint Form – Attorney General (for potential privacy violations): Use this to report possible illegal actions by a landlord (e.g., failure to ensure secure, private access).
    Example: Your landlord refuses to provide a physical key or access method, locking you out after a smart lock malfunction.
    File a Complaint with the Massachusetts Attorney General

Who Handles Tenancy Disputes in Massachusetts?

In Massachusetts, most tenant-landlord disputes are handled by the Massachusetts Housing Court, which oversees residential tenancy issues statewide.[3]

  1. Can my landlord install a smart lock without my permission?
    In most cases, landlords may upgrade locks as part of property maintenance, but they must notify you in advance and ensure your continual, private access. Sudden lock changes that impede access or privacy could violate your rights under Chapter 186.
  2. What should I do if I'm locked out due to a smart lock failure?
    Contact your landlord immediately and request emergency assistance. If you remain locked out or are charged unjustified fees, document the situation and consider filing a complaint with Housing Court or the Attorney General using the forms above.
  3. Does my landlord need to provide a physical key if I request one?
    While the law does not specify the form of key, you are entitled to reliable access to your rental at all times. Massachusetts generally supports tenant requests for a physical backup in addition to digital access, especially for accessibility reasons.
  4. How can I know if my privacy is being breached by a landlord with smart lock data?
    You may request your landlord’s policies about access logs, who accesses the codes, and how that information is stored or used. If you suspect improper use, send a written concern and keep records for possible legal action.

Need Help? Resources for Renters


  1. Massachusetts General Laws Chapter 186 – Tenancy Law (official source)
  2. Official Massachusetts Guide to Landlord Rights and Responsibilities
  3. Massachusetts Housing Court
Bob Jones
Bob Jones

Editor & Researcher, Renter Rights USA

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