Costar

Provides real estate information, analytics, and online marketplaces for commercial properties.

4,800 employees

35 open positions

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Office

Multi-Family

Flex

Hospitality

Industrial

Land

Retail

Shopping Center

Health Care

Specialty

Apartment

About Costar

Specializes in providing data, research, and insights for commercial real estate professionals.

Operates the largest online commercial real estate marketplace, offering listings and analytics tools.

Known for its innovative approach to tracking property values, trends, and market dynamics.

Focused on transforming real estate with advanced data and technology solutions to drive smarter decisions.

Regularly produces detailed market reports and insights for professionals across sectors such as office, retail, and multifamily housing.

Boasts a strong presence with offices across North America, Europe, and Asia Pacific.

Acquired several key companies, including LoopNet, Apartments.com, and Ten

X, strengthening its market position.

Known for comprehensive property databases that cover millions of commercial and residential listings globally.

Has a reputation for high

quality research that serves investors, brokers, property managers, and other industry stakeholders.

Culture & Values

We are always moving forward – as entrepreneurs and innovators

Constant collaboration, working toward a common goal

Chance to be seen and appreciated, to make your mark

Embraces balance, with a wider CoStar Group culture and camaraderie

Work/life balance with the aim of a 40‑hour week and no weekend working

Monthly recognition and rewards

Training programs including a leadership track

Mentorship & Education: support, upskilling, and collaborative development

Eco‑Friendly Workplaces: promoting energy‑friendly offices and commuting

Social Events and Community Support: philanthropy brought to life

Employee Resource Groups hosting networking, advocacy, volunteering and speaker events

Quick Info

Company Size4,800 employees

Open Positions35 jobs available

IndustriesOffice, Multi-Family, Flex +8 more

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Key Highlights

1987Year FoundedThe company was established, marking its entry into the real estate information and analytics industry.

40-hour weekEfficient Work ScheduleAim for a balanced and productive work schedule, emphasizing efficiency and focus.

130,000 MT CO2eCarbon Emissions AvoidedProvided 30 million virtual property tours, avoiding approximately 130,000 metric tons of CO2e emissions.

75% ReductionData Center EfficiencyReduced physical data center sites by over 75%, significantly improving energy and water efficiency across operations.

50% RenewablesClean Energy Use50% of electricity consumed at data centers comes from renewable sources as of 2023.

B− RatingCDP EvaluationAchieved a B− rating from CDP, reflecting substantial progress in environmental transparency and sustainability management.

Women 45%Workforce RepresentationWomen make up 45% of the workforce as of 2023.

Minorities 30%Leadership DiversityUnderrepresented minorities hold 30% of leadership positions as of 2023.

15% TargetDiversity Hiring GoalA hiring initiative aims to increase representation by 15% over five years.

99% RetentionEmployee SatisfactionThe company maintains a monthly employee retention rate of approximately 99%.

Open Positions

35 jobs available

Lead Software Developer, Costar Group - LondonSenior engineer designing API-driven, data-heavy real‑estate software with C#, .NET, Python, AWS.