Is CoStar down or not working?

What happened to CoStar, why did the service go down and not work? Here you can see who else is having the same problem with CoStar, as well as possible solutions. According to our statistics, the following most often do not work: Account, Login, Mobile App, Website.

Current status: No failures

At the moment, according to our data, CoStar is working fine, but single failures are possible. If CoStar does not work for you, then report your problem and write a comment.
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CoStar outage reports in the last 24 hours

User reports by hour (UTC), last 24 hours

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Total weight in 24 hours: 0 Busiest hour: 23:00 UTC (weight 0)

How this score compares

Current 24-hour weight is 0. Warnings start at 20, Failed at 50. Median services on this language today is 0.

Other services in this category

About CoStar

CoStarina is a genus of arachnids. In Wikidata it is classified as a taxon.
CoStar is a commercial real estate information and analytics platform used by brokers, lenders, and property teams. When it works, it stays in the background. When it doesn't, logins fail, reports stall, or the mobile app stops syncing. This page tracks the current status of CoStar services and collects reports from users so you can tell a local problem from a wider one.
CoStar provides property data, market analytics, and comparable sales information through its website, mobile app, and account system. Most people use it to research buildings, run comps, and export reports during the workday. The problems users report most often involve authentication and the mobile app. Sessions may time out early, the app may hang on a data load, or saved searches may stop refreshing. Slower responses tend to show up during peak business hours when report demand is highest. Start on your side before assuming an outage. Check your internet connection, confirm your subscription is active, and try signing in from a different browser or the desktop site. Clearing the app's cache or reinstalling it resolves many mobile issues. If the problem appears across networks and devices, the status details here will show whether others are affected too.

Questions

Is CoStar down right now?

According to reports on this page, CoStar looks fine for most people. Isolated failures still happen — report yours if you are stuck.

When was the last mass outage?

We do not have a recorded mass outage for CoStar yet.

Why can't I sign in to my CoStar account?

Check your username and password first, then confirm your subscription is active. If credentials are correct and the issue continues, check this page for a possible authentication problem.

Does the CoStar mobile app work the same as the website?

The app covers most day-to-day tasks like searching properties and viewing listings. For heavy report work, the website is usually more reliable and complete.

CoStar - error and failure reports, troubleshooting methods

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