WhoSentriLock is the official lockbox solution for NAR. As the leading electronic lockbox manufacturer and provider of property access management solutions, SentriLock operates in support of REALTORS® and the industry, offering an easy to use, reliable and secure system. Fundamental core values guide every action and decision to provide the best service and experience for your benefit.

What: The SentriLock Bluetooth® REALTOR® Lockbox is the most secure, durable, and versatile within the industry. SentriLock’s reliable, multiple key access method, including via mobile app or keycard, helps to efficiently gain property access.

SentriKey App School

Using the SentriKey® Real Estate app gives you access to enhancements to manage your business more efficiently and securely. Sign-up for free.

Protect Yourself in the Field

SentriLock cares about your safety—from your personal security, to preventing the spread of COVID-19. The Agent Safety Feature in the SentriKey® Real Estate app makes showings safer with an auto alert to your emergency contacts when you don’t feel safe or can’t confirm you are. View the “How to Enable Agent Safety” video.

For REALTORS® who are able to conduct home showings, there are some steps you can take to help provide a safer environment for yourself, your clients and homeowners. Learn the best practices for using a SentriLock lockbox during COVID-19.

How: Additional information about SentriLock’s lockbox and services is available at

Associations: Contact SentriLock directly at 866-736-2322, email or visit

Brokers/Agents: SentriLock contracts with local REALTOR® Associations or MLSs to provide its products and services to REALTORS®. You can purchase lockboxes through your local Association or MLS, who can then authorize you to use the SentriKey® Real Estate app, which allows you to manage your lockbox inventory, generate secure One Day Codes for access to your lockboxes, view access logs, and control your personal settings related to lockbox features and more.

Technical Support: Visit and click Contact Support for issue-specific support or connect with SentriLock at 877-736-8745, or

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Why SentriLock?

As a member-centric organization, NAR’s goal is to ensure REALTORS® have a competitive market advantage in every area of their business and the information and tools they need to best serve their clients. In 2003, NAR’s investment and ownership of SentriLock was in response to a member-driven mandate for competitive choice in the electronic lockbox market.

It’s one of the association’s most successful member-driven business ventures. With over 15 years as NAR’s official lockbox solution, SentriLock is noted for attributes including stability, superior technology, and exceptional customer service. Its solutions continue to improve homeowner and agent safety, flexibility, and accountability.

Here’s an informative Case Study to highlight SentriLock’s value to REALTORS®.

Beyond providing members with the latest advances in technology to help grow their businesses, SentriLock is also known for its award-winning customer care, and its knowledgeable service team provides world-class support seven days a week from its facility in the Cincinnati suburb of West Chester, Ohio. All of SentriLock’s lockboxes are 100% assembled in America by an equipment manufacturer in Lexington, Kentucky.

Learn more about SentriLock.

Agent Safety

The SentriKey® Real Estate app includes the Agent Safety feature that enables REALTORS® to alert predetermined emergency contacts if an unexpected or potentially dangerous situation develops while showing a home to prospective buyers.

How it works: When using the app to open a lockbox, the Agent Safety feature will launch. After a set time (approximately 90 seconds, or as determined by the agent), the app will prompt for a status update and will alert your designated emergency contacts if you do not or cannot confirm you are safe.

For more information, or for assistance, connect with SentriLock or watch the video on enabling the Agent Safety feature:

Association Resources

Associations: Increase Awareness

To help you help your members get the most out of this member benefit, SentriLock offers an online marketing toolkit that includes ready-made flyers, social media posts, newsletter content, and graphics. Access resources.

Program availability and eligibility requirements may vary by partner program. See partner websites for details, terms and conditions.