Our most frequently asked questions

Review our help information by the specific topic you’re looking for.

SentriLock Phone Support

Have more detailed questions, need help with something you just can’t figure out? Call us 7 days a week from 8am – midnight EST.

US: 513-618-5800

Canada and Toll Free: 1-877-736-8745

Phone Renewals

For SentriCard® renewals or to obtain a One Day Code (if allowed by association) over the phone:

  • Have your SentriCard®, PIN, and a Lockbox ready
  • US Customers: 513-618-5800
  • Canada and Toll Free: 1-877-736-8745
  • Press 2 for the automated phone system
  • Follow along with the prompts

Watch our videos for the latest tips and step-by-step how-to

Non-Bluetooth Lockbox Shackle Release via SentriSmart (1:56)

See how to use SentriSmart® to release the shackle on your non-Bluetooth NXT Lockbox

Creating, Sending, and Using a One Day Code (2:14)

Master the 1DC by watching this step by step tutorial

Bluetooth REALTOR Lockbox / SentriSmart Tutorial (8:16)

Learn everything about our flagship lockbox and mobile app

SentriSmart – Key Compartment Access without Bluetooth (0:46)

SentriSmart key compartment access is backwards compatible for non Bluetooth lockboxes or for smartphones that do not have the latest Bluetooth technology

For more videos, check us out on

Because practice makes perfect

Always assign your REALTOR® Lockbox to the listing.
Set up showing notifications.
Always hang your REALTOR® Lockbox vertically.
Renew your card after assigning a Lockbox to a listing, or making any customization changes.
Set up Card Expiration notifications.
Link your SentriCard® to your Mobile Phone.