Support

Call 800-613-1303 for free technical support.

Included with any CoStar subscription is free access to live, “platinum level” customer support from our Washington, DC-based U.S. Support Center. As a CoStar subscriber, you can count on:

• Speed.  Calls to CoStar support are typically answered in less than 10 seconds. 
• Expertise.  CoStar support professionals average four years of CoStar support experience.
• Real People.  You talk immediately to a courteous, expert professional.  No automated replies or voice mail runaround.
• Convenience.  CoStar support professionals are on duty weekdays 8:00 am – 8:00 pm ET; Saturdays 9:00 am – 6:00 pm ET.
• Choice.  Prefer email? Send a email to support@costar.com and expect a reply within two hours.
• No Limits.  Call anytime.  There’s no limit on how much or how often you use CoStar support services.