Is CoStar down now?
CoStar is operating normally right now (5 October 2026). Entireweb Status records no ongoing major outages or problems. In the past 24 hours, CoStar has received 0 user reports, with 0 of those in the last hour and 0 in the last 20 minutes.
CoStar is working normally
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Last Hour
0
Problem Reports
Last 24 Hours
0
Problem Reports
Last 30 Days
2
Problem Reports
Response Time
330.66
Milliseconds
Service outage activity over 24 hours - CoStar
This chart shows the number of user reports for CoStar service problems and outages in the last 24 hours.
CoStar Outage Map
Error Reports
30-Day Error Trend - CoStar
User reports over the last 30 days
CoStar Outage Map
Error Reports
Last 30 Days
Entireweb Status for Chrome
Updated
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Explore CoStar Reports on the World Map
View reports by country and see where issues are happening globally. — 🌍 0 Reports from multiple places
Top Countries by User Reports
CoStar Outage Map
CoStar Outage Map
No recent outage reports available.
CoStar - Outage History & Timeline
CoStar Outage Map
CoStar Outage Map
✅
No Recent Events
Great news! CoStar has been running smoothly with no reported outages.
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✅ Status Updates
Entireweb Status for Chrome
Updated
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About CoStar
CoStar is a leading provider of information, analytics, and online marketplaces for the commercial real estate industry. The company offers a comprehensive suite of services designed to support real estate professionals, including data on property listings, market trends, and financial analytics. By leveraging advanced technology and extensive databases, CoStar enables clients to make informed decisions regarding property investments, leasing, and management. Its platform serves a diverse range of users, including real estate brokers, investors, and developers, facilitating greater transparency and efficiency in the commercial real estate market. For more information about their offerings, visit CoStar.
Global Monitoring
24/7 monitoring from multiple global locations to detect issues instantly.
Real-time Analytics
Advanced analytics and machine learning to predict and prevent outages.
Community Reports
User-reported issues combined with automated monitoring for complete coverage.
This page shows the current status of CoStar based on a combination of real-time automated monitoring and user reports. Unlike services that rely solely on user reports, Entireweb uses its own proprietary web scanning technology to actively test CoStar response times and availability - helping detect issues earlier, before they become widespread outages. Reports are continuously collected from users worldwide and combined with our automated scanning data to give you the most accurate and up-to-date status picture.
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