CoStar Customer Service: Phone Number, Email & More

CoStar is the industry leader in commercial real estate information, analytics, and news.

This comprehensive guide covers all possible ways to contact CoStar, ensuring you have the data and tools needed to reach out effectively.

CoStar Customer Service Number 

CoStar Customer Support


CoStar Sales


General Inquiry


CoStar UK Support


CoStar UK Sales

020 3205 4500

CoStar E-mail 

CoStar Customer Support

CoStar Sales

Media Relations

CoStar UK Helpdesk

CoStar UK Sales

CoStar Social Media Support Contact





CoStar Corporate Headquarters

1331 L Street, NW Washington, DC 20005

CoStar Help Center

For those who need assistance or have queries, CoStar offers a dedicated Help Center. You can access the CoStar Help Center for comprehensive support and resources at their official contact page.

Legal Contacts

CoStar provides several legal resources to ensure transparency and trust with their clients.

Terms of Use

CoStar’s terms of use provide detailed information about the conditions of using their services. It’s essential to understand these terms to ensure a smooth experience.

Privacy Policy

CoStar values the privacy of its users. Their privacy policy provides insights into how they handle and protect user data.

CoStar Additional Support Resources

Apart from the standard contact methods, CoStar offers additional resources to assist their clients:

Contact Page

This is the main hub for all contact-related information for CoStar. It’s a one-stop destination for all your queries. Dive deeper into their contact page.


Interested in joining the CoStar team? They offer a dedicated page for all career-related information.

Press Room

Stay updated with the latest news and announcements from CoStar. Their press room is a repository of all their press releases and media-related information.

About CoStar

costar featured image 1

CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Being a part of the S&P 500 Index and the NASDAQ 100, CoStar Group is on an ambitious mission to digitize the world’s real estate.

Their aim is to empower everyone to discover properties, insights, and connections that can significantly enhance their business and personal lives. With a deep commitment to providing accurate and comprehensive data, CoStar has become an industry leader.

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