Best Sources for Real Estate Data

I am looking for a online source for reliable lease comp data. I have found CoStar to be somewhat spotty, and need accurate information.

A few years back, I tried something called CompStak. While I wasn't able to verify other leases, it had accurate information on commercial leases I had recently signed (e.g. rent, bumps, TIs, free rent, etc). Curious is anyone has used this software? Or had experience with other software that is very accurate?

107 WSO Academy Real Estate Session Reviews: 4.91/5

Class of '29 Sep 2026 Cohort

5.00/5

Real Estate Career Roadmap (optional)

“Nick was extremely informative and gave me a lot of solid and practical advice. He answered all of my questions clearly and thoughtfully. I really appreciated that he gave me an actionable plan for how to approach recruiting and developing my career in general. He was very open about sharing his own experiences. He also gave me helpful perspective on how to differentiate myself during the recruiting process and make my conversations with professionals more meaningful. I feel like I have a clearer understanding of what I should focus on and concrete next steps. This was overall a helpful and valuable conversation. ”

Class of '28 Aug 2026 Cohort

5.00/5

Real Estate Mock Interview

“Nick was fantastic. He didn’t just glance at my resume and give me generic advice—he explained exactly why it wasn’t telling the story I wanted it to tell, then helped me figure out how to fix it. He pushed me to be more intentional about how I talk about my experience and gave me concrete steps to prepare for interviews, from tailoring my resume to practicing financial modeling. I also appreciated how candid he was. When I asked about real estate capital markets versus sales and trading, he gave me his honest opinion while being clear about his own perspective. He shared interview guides, answered all my questions, and offered to do a more detailed mock interview if I move forward with JLL. I left with a lot of work to do, but also a much clearer idea of how to do it. I’d absolutely recommend talking with Nick.”

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1	redever	99.2
2	kanon	99.0
3	Secyh62	99.0
4	BankonBanking	99.0
5	Betsy Massar	98.9
6	DrApeman	98.9
7	GameTheory	98.9
8	dosk17	98.9
9	CompBanker	98.9
10	Kenny_Powers_CFA	98.8

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Best Sources for Real Estate Data

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Best Sources for Real Estate Data

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