CONTACT US

We look forward to hearing from you. Contact us today by phone or email

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Customer Service:

US & Canada

Monday – Friday: 7:30am ET - 8:00pm ET
Saturday: 9:00am ET - 6:00pm ET (via e-mail only)

  800-613-1303
  support@costar.com

UK

Monday – Friday: 7:30am ET - 8:00pm ET

  020 3205 4500
 helpdesk@costar.co.uk

Sales:

PRESS INQUIRIES

Matthew Blocher

 (202) 346-6775
 mblocher@costar.com

HEADQUARTERS

 800-204-5960

Our Office Locations:

Get in touch

888-226-7404