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Contact CoStar Group - Phone Numbers, Email Addresses, Names

Contact Us

Call headquarters. Locate your local rep. Get tech support. Email your resume. Ask a billing question. Purchase a product. Find all the contact information you need right here.

2 Bethesda Metro Center
10th Floor
Bethesda, MD 20814-5388

Tel: 800-204-5960 / 301-215-8300
Fax: 800-613-1301 / 301-718-2444


Customer Support	800-613-1303	support@costar.com
Product Sales	888-226-7404	sales@costar.com
Career Opportunities		View Current Openings
General Inquiries	800-204-5960	info@costar.com
Billing Inquiries	800-894-4720	tellus@costar.com
Investor Relations	877-285-8321	Email Investor Relations

Next Steps

800-204-5960

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