costar.com icon

costar.com

Live

Estimated trafficEstimated from public data and our own crawl of costar.com.

Est. monthly visits

3.3M

as of Aug 2026

Est. by device type

Desktop 89%

Mobile 11%

2M4M6M202420252026Sep 2023: about 3.2M visitsOct 2023: about 3.5M visitsNov 2023: about 4M visitsDec 2023: about 3.7M visitsJan 2024: about 3.5M visitsFeb 2024: about 3.3M visitsMar 2024: about 3.2M visitsApr 2024: about 3.2M visitsMay 2024: about 3.2M visitsJun 2024: about 3.1M visitsJul 2024: about 2.9M visitsAug 2024: about 2.9M visitsSep 2024: about 3M visitsOct 2024: about 3M visitsNov 2024: about 2.9M visitsDec 2024: about 2.9M visitsJan 2025: about 3.7M visitsFeb 2025: about 3.6M visitsMar 2025: about 3.4M visitsApr 2025: about 3.4M visitsMay 2025: about 3.5M visitsJun 2025: about 3.6M visitsJul 2025: about 2.8M visitsAug 2025: about 2.9M visitsSep 2025: about 3M visitsOct 2025: about 3M visitsNov 2025: about 3M visitsDec 2025: about 2.9M visitsJan 2026: about 3.7M visitsFeb 2026: about 3.8M visitsMar 2026: about 3.6M visitsApr 2026: about 2.8M visitsMay 2026: about 2.9M visitsJun 2026: about 3M visitsJul 2026: about 3M visitsAug 2026: about 3.3M visits

Estimated employeesEstimated from public data and our own crawl of costar.com.

Est. employees

20,000+

Rankings

Where costar.com lands by estimated traffic, overall and among the sites we rank in each of its categories.

#4,768 overallof 100,000 ranked →

In the ranking, costar.com counts as 12 hostnames with 23.6M visits a month between them.

Detected technologies (16)Detected on costar.com. Site counts are our own detections across the web.

Compare this stack →
Payments & Checkout
Stripe
Payment processing platform for online businesses
1.5M sites
CMS & Website Builders
Wix
Hosted website builder for creating sites without coding
20.2M sites
Business Email & Productivity
Microsoft 365
Microsoft suite for business email, office apps, and collaboration
18.2M sites
Business & Collaboration Apps
Figma
Collaborative interface design and prototyping tool used by product teams.
10.1K sites
LogMeIn
Remote access and support software.
12.3K sites
Communications
Amazon SES
Amazon service for sending transactional and bulk email
1.3M sites
SendGrid
Cloud email delivery service for transactional and marketing mail
3.8M sites
CDN & Edge Delivery
Akamai
Global content delivery and edge computing network
4.4M sites
Security & Bot Defense
Apple
Generic Apple service or integration detected on the site
519.6K sites
Databases & Caching
MongoDB
Document-oriented NoSQL database for flexible, scalable application data storage.
87K sites
SEO & Content Discovery
Google
Generic Google service or script detected on the site
32.3M sites
other
Adobe Acrobat Sign
Electronic signature and document signing service from Adobe
5.2K sites
Anthropic
Developer of the Claude AI models and the API behind them. Sites listed here have verified their domain with Anthropic
160.5K sites
DigiCert/Azure
TLS certificates issued by DigiCert for Microsoft Azure services
1.2M sites
OpenAI
Developer of the GPT models, ChatGPT and the API behind them. Sites listed here have verified their domain with OpenAI
248.1K sites
Wiz3.6K sites

Infrastructure

Hosting / CDNAkamai
Mail (MX)Detected

Search free. Go deeper with an account.

A free account doubles your daily searches.