Costar Phone Numbers and Emails

Toll-Free Number:

  • (800) 204-5960

Press Inquiries:

  • (202) 346-6775
    Rich Simonelli


  • (888) 226-7404
  • (800) 613-1303

Costar Emails:

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Press Inquiries
Sales/ Reservations
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Costar Contact Information

Costar Website:

Costar Help Center:

Corporate Office Address:

CoStar Realty Information, Inc.
1331 L Street, NW
Washington, DC 20005
United States
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Costar Rating Based on 1 Reviews

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Costar is ranked 421 out of 1815 in Real Estate category

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