CoStar Overview

What is CoStar?

CoStar is a leading provider of commercial real estate information, analytics, and online marketplaces. Renowned for its comprehensive database, CoStar offers detailed insights into property values, market conditions, and trends. The platform serves a wide range of professionals, including brokers, appraisers, property owners, and investors. CoStar’s commitment to accuracy and depth of information makes it a key resource in the commercial real estate industry.

CoStar Group

CoStar is a part of CoStar Group.

CoStar Products & Services

CoStar Screenshot

CoStar provides several industry leading products and services designed to meet the diverse needs of the commercial real estate sector. Its core offerings include a vast database of commercial property listings, complete with photos, floor plans, and detailed property information. CoStar also delivers market analytics and forecasts, helping users make informed investment decisions. Additional services include tools for lease analysis, tenant information, and market comparisons. The platform is particularly known for its user-friendly interface and robust search functionality, making it easier for users to find the specific information they need.

CoStar Features

Property ListingsComprehensive database of commercial properties.
Market AnalyticsDetailed market analysis and forecasts.
Lease Analysis ToolsTools for analyzing lease terms and conditions.
Tenant InformationInformation on commercial property tenants.
Market ComparisonsComparisons of different commercial real estate markets.
User InterfaceEasy-to-navigate and user-friendly interface.
Search FunctionalityAdvanced search options for finding specific properties or data.

CoStar Reviews

CoStar Review by RentalRealEstate


Cost – 5

Ease-of-Use – 5

Customer Service – 5

Tools & Resources – 5

CoStar is the industry go-to platform for commercial real estate data. Its comprehensive property listings and detailed market analytics offer insights crucial for making informed property management and investment decisions. The lease analysis tools are particularly useful for comparing and evaluating lease terms. While the wealth of information can be overwhelming, CoStar’s user-friendly interface and robust search functionality make it easier to navigate. The platform is a must-have for any property owner looking to stay competitive and well-informed in the commercial real estate market.


  • Extensive database of commercial property listings.
  • Detailed market analytics and forecasts.
  • User-friendly interface and advanced search functionality.


  • Information overload due to the extensive data available.
  • Focus on commercial real estate may not be relevant for residential property owners.
  • Subscription cost can be costly for smaller investors.

CoStar User Reviews

Have you used CoStar for your rental property? If so, please take a minute to leave an honest review of your experience below. By writing a review, you can help guide other rental real estate enthusiasts on whether or not CoStar is the good choice for them.

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CoStar Alternatives

CoStar FAQ

Is Costar Legitimate?

Yes, Costar is a legitimate source for commercial real estate data and analytics. It has been around for more than 35 years, and tracks 7 million properties, 20 million lease & sale comps, and 8 million commercial tenants.

Who Owns Costar?

Costar is owned by the CoStar Group, which is one of the largest real estate information, analytics, and online marketplace providers. It was the CoStar Group’s original product dating back to the companies founding in 1987.

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