BMO Safe Deposit Boxes: Secure Storage and Fees

Securely Manage Your Important Valuables with BMO

Olesya Krasavtseva
Fact-checked by Olesya Krasavtseva
Content Editor at Prostobank Consulting Prostobank Consulting Logo
Updated: 01.10.2026
Table of Contents

A BMO Safe Deposit Box offers a secure, dual-key storage solution for physical valuables, original legal documents, and heirlooms. Managed within the bank's fortified vaults, these boxes provide protection against theft, fire, and loss that standard home safes often cannot match. For Canadian clients utilizing BMO’s U.S. banking services, formerly known as BMO Harris, these boxes represent a vital component of a comprehensive cross-border asset protection strategy.

While digital banking has shifted many processes online, the physical safe deposit box remains the gold standard for storing items like property deeds, physical stock certificates, and rare collectibles. BMO has integrated the management of these boxes into their Digital Banking suite, allowing users to view rental agreements, check box availability at local branches, and set up automated payments to ensure their vault access is never interrupted.

BMO Safe Deposit Box Sizes and Fees

Category Details
Small (3" x 5") Ideal for jewellery and small documents; approx. $60/year.
Medium (5" x 10") Fits legal-sized folders and envelopes; approx. $100/year.
Large (10" x 10") Large volume storage for multiple items; approx. $175+/year, varies by location..
Insurance Contents are not insured by BMO or the FDIC.
Payment Method Autopay from a BMO Chequing or Savings account.

Algorithm: How to Access and Manage Your Box

To view your safe deposit box details or schedule an access visit, follow this exact sequence of actions from the official BMO portal:

  • Step 1: Log in to the BMO Digital Banking portal (bmo.com) using your User ID and password.
  • Step 2: Use the Branch Locator tool and filter for Safe Deposit Boxes to find a branch with available units.
  • Step 3: Navigate to Account Services and select Safe Deposit Box Management to view your current rental status.
  • Step 4: Click Set Up Autopay to link your annual fee to your primary BMO account, avoiding late penalties.
  • Step 5: To physically access your box, visit your branch during Vault Hours with your physical key and a valid government-issued Photo ID.

Pro-Tip: Never store your only copy of a Will or Power of Attorney in a safe deposit box. In the event of your passing, the bank may seal the box until probate is settled, making it difficult for your executors to access the very documents they need to settle your estate.

Troubleshooting Online Access and Payment Issues

If you encounter technical hurdles while managing your box through the portal, investigate these three common pain points:

  • MFA Delays: When setting up Autopay for your vault fees, BMO requires Multi-Factor Authentication. If the code is not arriving via SMS, verify that your BMO Profile has your current Canadian or U.S. mobile number.
  • Browser Errors: If the Branch Locator or appointment scheduler fails to load, clear your browser cache. High-security banking scripts often conflict with outdated cached data in Chrome or Safari.
  • Locked ID: After three failed password attempts on the Cross-Border Banking portal, your ID will be locked. You must call 1-888-340-2265 to verify your identity and restore access to your investment and storage services.

Efficiency Hack for Secure Storage

Create a Digital Inventory of every item you place in your BMO vault. Take clear photographs and upload them to a secure cloud-based "Digital Vault." This ensures that if you ever need to file a private insurance claim for items stored in the bank, you have immediate proof of possession and condition without needing to visit the branch physically.

Frequently Asked Questions

Are the contents of my BMO safe deposit box insured?

No. Contents are not insured by BMO or the FDIC. You should add a Personal Articles Floater to your home insurance policy to cover high-value items stored at the bank.

What happens if I lose my safe deposit box key?

If both keys are lost, the bank must hire a professional locksmith to perform a Box Drill. You will be responsible for the locksmith fees and the cost of replacing the lock and keys, which typically exceeds $150 USD.

Can I give a family member access to my box?

Yes, but they must be officially added as a Joint Renter or Deputy on the original lease agreement at the branch. They will require their own key and valid photo identification for every visit.

Official Bank Information

Bank Of Montreal

Support: 877-225-5266

SWIFT Code: BOFMCAM2

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