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      CoStar Group

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      Data Analyst Interview

      16 Dec 2025
      Anonymous employee
      Arlington, VA
      Accepted offer
      Positive experience
      Average interview

      Application

      I interviewed at CoStar Group (Arlington, VA)

      Interview

      1st Round- Phone call with recruiter 2nd Round- Interview with someone technical or hiring manager (asks you projects you’ve worked on and your past technical experience) 3rd round (Super Day)- 1st Interview- SQL Questions. You will be provided with sql questions to answer. 2nd interview- QA Questions. How do you QA the dashboards you build? What are your steps for troubleshooting ? 3rd interview- conversational/behavioral. Why do you want to work at CosStar group? 4th Interview- Hiring Manager. Behavioral (S.T.A.R) questions Final- Offer!

      Interview questions [1]

      Question 1

      Define data integrity. You notice something looks off on our website Homes.com. How you QA the issue ?
      Answer question