Lockbox Service


Lockbox Service

SentriLock, the leading electronic lockbox manufacturer and service provider for the real estate industry, makes showing and selling properties safe and efficient. 

About SentriLock

SentriLock is the official lockbox solution for the National Association of Realtors®. As the leading electronic lockbox manufacturer and leading provider of property access management solutions, SentriLock operates in support of Realtors® and the industry, offering an easy to use, reliable and secure system.

SentriLock contracts with local Realtor® Associations or MLSs to provide its products and services to Realtors® . You can purchase lockboxes through NVAR, where staff members can then authorize you for a SentriCard® and the SentriSmart™ Mobile App, which allows you to manage your Lockbox inventory, view access logs, and control your personal settings related to lockbox features and more.

Effective January 1 of 2022, SentriLock will officially retire the SentriCard as an access means for SentriLock lockboxes. Please see the SentriKey App links on this page or click here to learn more.

Click here for SentriLock registration.

SentriLockTM One-Day Codes are now available for NVAR Members!


Revised Regional Rules and Regulations for the SentriLock Lockbox System Take Effect March 1, 2020

View the revised rules at NVAR.com/Rules


SentriLock (FAQs)

  • Which jurisdictions offer access rights (Reciprocity) on your Sentricard®?

  • How Do I Assign My LockBox To Another Region or Association?

  • Do You Want to Keep DC Settings on?

  • How do I transfer ownership of a Lockbox?

  • What Do I Do If I Lose My Sentricard?

Mac & Windows Software 

In order to access the SentriCard® Utility click here and select your operating system (Mac or Windows) in the menu on the left.

At this link you will find the system requirements, limitations and login information in order to register to receive the software. In order to register you must enter your name and valid email address. Once you have signed up, an email will be sent. In the email there will be a link which will guide you through the installation process of the Mac Utility.

If you have any questions, please call SentriLock Support at 877-736-8745, option #1 SentriLock is continuing to build on the functionality of the Mac Utility software 2009.

SentriLock has provided their users with a well-designed, full-color battery replacement procedure for the NXT lockboxes. By following this guide, you can prevent service problems with your lockbox.