Colorado Tenant Rights: Changing Locks and Security

If you rent a home or apartment in Colorado, you may wonder what your rights are when it comes to changing the locks. Whether you’re facing safety concerns or adjusting after a roommate moves out, understanding lock changes and your legal responsibilities can help you protect your safety without risking your lease. This guide breaks down your rights, key rules, and steps for Colorado tenants.

When Can Tenants Change the Locks in Colorado?

Under Colorado law, renters may generally only change locks with the landlord’s permission unless specific circumstances make it legally necessary. In recent years, Colorado has passed special protections for tenants who are surviving victims of domestic violence, which sometimes allow a lock change without the landlord’s prior agreement.

General Lock Change Rules

  • You usually must get your landlord’s permission before altering or replacing locks.
  • If you change the locks without approval, your landlord may consider this a violation of your lease agreement.
  • After a lock change, you must immediately provide your landlord with a new key, unless an exception applies.

This is to ensure the landlord can access the property for maintenance, repair, or emergencies as allowed by the Colorado Revised Statutes Title 38, Article 12 (Landlord and Tenant).[1]

Special Rights for Victims of Domestic Violence

  • Colorado law allows tenants who are victims of domestic violence or abuse to change locks without the landlord’s standard permission as long as they provide proper documentation.
  • The tenant must notify the landlord in writing and pay for the lock change themselves, then provide a key.
  • These rules are outlined clearly in Colorado House Bill 21-1121 and Section 38-12-402 of the Colorado statutes.[2]

Typically, victims must provide one of the following as documentation:

  • A police report
  • A valid protective order
  • A written statement from a qualified third party (such as a shelter or healthcare provider)
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Even if you are eligible to change the locks for safety reasons, you must still follow the correct process to remain legally protected as a renter.

Official Forms for Lock Changes in Colorado

  • Notice to Landlord for Lock Change Due to Domestic Violence
    • Form Name: No official numbered form—tenants must submit written notice (sample templates are available through the Colorado Department of Local Affairs).
    • When/How Used: If you need to change locks due to threats or domestic violence, provide this written notice to your landlord with the necessary documentation before or immediately after changing the locks.
    • Example: A renter experiencing domestic violence emails their landlord a written notification, attaches a copy of their restraining order, and arranges for locks to be changed at their expense. They provide a copy of the key once the change is completed.

For other circumstances, check your lease or contact your landlord for permission before making security changes.

Tenant Rights, Landlord Entry, and Emergencies

Landlords in Colorado have the right to enter a rental for repairs, inspections, or emergencies, typically with 24 hours’ notice. If you change locks and fail to provide a key, you could face consequences under your lease or state law.

If the relationship deteriorates, or if a landlord retaliates after a request, tenants can seek recourse through the official tribunal for disputes.

How to Change the Locks Legally as a Renter

If you have a security concern or another reason to change your locks, follow these steps to ensure you’re protected:

  • Check your lease agreement for any specific lock or security provisions.
  • Request written permission from your landlord. Keep records of all communications.
  • If you are a survivor of domestic violence, prepare your written notice and documentation.
  • Arrange a licensed locksmith or qualified professional for the lock change.
  • Give your landlord a new copy of the key immediately after the change.
Always keep documentation of your requests, communications, and submitted notices in case of future disputes with your landlord.

FAQ: Colorado Lock Change Rights for Renters

  1. Can I change the locks on my rental without asking my landlord?
    Usually, no. In most cases, you must have your landlord’s permission. If you’re a victim of domestic violence, state law gives you special rights, but you must still notify your landlord and provide documentation.
  2. Does my landlord have to give me a copy of the new key if they change the locks?
    Yes, your landlord must provide you with a working key immediately if they change the locks during your tenancy.
  3. How quickly should I give my landlord a key if I change the locks?
    You should give your landlord a copy of the new key immediately after changing the locks to ensure legal compliance.
  4. What should I do if my landlord refuses a reasonable request for a lock change?
    Try to resolve the issue in writing. If you’re denied with no good reason, or you feel unsafe, consider contacting local tenant support services or the court.
  5. Can my landlord enter without notice if I change the locks?
    Landlords generally must give 24 hours’ notice except in emergencies, regardless of a lock change.

Conclusion: Key Takeaways for Colorado Renters

  • Tenants generally need landlord permission to change locks, except in cases of domestic violence.
  • Always provide written notice and a new key if you legally change the locks.
  • Document all communications to protect your rights.

Being aware of Colorado’s tenant security and lock change laws can help you stay safe and avoid disputes with your landlord.

Need Help? Resources for Renters


  1. Colorado Revised Statutes Title 38, Article 12 – Landlord and Tenant
  2. Colorado House Bill 21-1121: Rights of Domestic Violence Survivors
  3. Colorado Department of Local Affairs: Landlord-Tenant FAQ
  4. Colorado County Courts Official Site
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.