CoStar Group 2FA Messaging Terms

These terms apply to SMS messages sent by CoStar Group and its brands (including CoStar, LoopNet, and Apartments.com) for two-factor authentication and account security.

Program Description: We send one-time passcodes and security alerts to verify your identity. No marketing messages are sent.

Message Frequency: Message frequency varies (typically one message per login or security event). Message & Data Rates: Message and data rates may apply.

STOP/HELP Commands: Text STOP to cancel and HELP for assistance, or contact the support contact listed in our Privacy Notice.

Carriers: Carriers are not liable for delayed or undelivered messages.

Privacy: See our Privacy Notice. Information collected through this 2FA program is used solely for authentication and security purposes. It is not sold or shared for marketing or targeted advertising.

Last updated: November 18, 2025