CompStak is a commercial real estate data platform that provides verified lease comps, sale comps, loan data, and property intelligence. Founded in 2012, CompStak crowdsources transaction data from over 40,000 brokers, appraisers, and researchers nationwide, then verifies it through a rigorous multi-step process combining AI, machine learning, and expert analyst review.

How does CompStak verify its data?

CompStak uses a four-stage verification process: (1) Community Sourcing - data is crowdsourced from 40,000+ verified CRE professionals, (2) AI and Machine Learning - algorithms identify duplicates and outliers, (3) Internal Verification - analysts cross-check data against public records daily, and (4) Knowledge Graph - proprietary technology ensures consistency across the database.

What markets does CompStak cover?

CompStak provides nationwide coverage across 105 US commercial real estate markets, including all major metro areas. The platform contains data on over 4 million properties and 4 million lease and sale transactions across office, retail, industrial, and multifamily asset types.

CompStak Blog

Research Papers Sep 29, 2025

The Disruption of Generative AI in Real Asset Markets: Insights from Chongyu Wang, Jingfang Wang, and Tingyu Zhou Using CompStak Data

Research Papers Sep 29, 2025

The Vertical City: Rent Gradients, Spatial Structure, and Agglomeration Economies: Insights from Crocker H. Liu, Stuart S. Rosenthal, and William C. Strange Using CompStak Data

Research Papers Sep 29, 2025

Dynamic Urban Economics: Insights from Brian Greaney, Andrii Parkhomenko, and Stijn Van Nieuwerburgh Using CompStak Data

Research Papers Sep 29, 2025

The Commercial Real Estate Ecosystem: Insights from Ralph S. J. Koijen, Neel Shah, and Stijn Van Nieuwerburgh Using CompStak Data

Research Papers Sep 29, 2025

Determinants and Consequences of Return to Office Policies: Insights from Sean Flynn, Andra C. Ghent, and Vasudha Nair Using CompStak Data

Research Papers Sep 29, 2025

Tenant Riskiness, Contract Length, and the Term Structure of Commercial Leases: Insights from Jan K. Brueckner and Stuart S. Rosenthal Using CompStak Data

Research Papers Sep 29, 2025

Filtering in Commercial Real Estate: Insights from Nathaniel Baum-Snow, Stephan Heblich, and Stuart S. Rosenthal Using CompStak Data

Research Papers Sep 29, 2025

The Financial Impact of Healthy Buildings: Research Insights from Natasha Sadikin, Dr. Irmak Turan, and Dr. Andrea Chegut Using CompStak Data

Market Intel Feb 12, 2025

CompStat: Washington D.C. Office Buildings DOGE Could Target, E-Commerce Soars, Industrial Big Box Slowdown, and Barnes and Noble Comeback

Tips & Tricks Dec 12, 2024

What is Cold Storage in Commercial Real Estate?

Market Intel Dec 4, 2024

CompStak Launches CompStak AI: Transforming CRE Data into Intelligent, Actionable Insights

Latest

2025 Biannual Industrial Market Report: Part One

How the Columbia CompStak Rent Index (CCRI) Eliminates Compositional Bias in CRE Rent Data - Webinar Recap

Data Science: CompStak's Agentic Search

Columbia CompStak (CCRI) Rent Index National Update: April 15, 2026

The Disruption of Generative AI in Real Asset Markets: Insights from Chongyu Wang, Jingfang Wang, and Tingyu Zhou Using CompStak Data

The Vertical City: Rent Gradients, Spatial Structure, and Agglomeration Economies: Insights from Crocker H. Liu, Stuart S. Rosenthal, and William C. Strange Using CompStak Data

Dynamic Urban Economics: Insights from Brian Greaney, Andrii Parkhomenko, and Stijn Van Nieuwerburgh Using CompStak Data

The Commercial Real Estate Ecosystem: Insights from Ralph S. J. Koijen, Neel Shah, and Stijn Van Nieuwerburgh Using CompStak Data

Determinants and Consequences of Return to Office Policies: Insights from Sean Flynn, Andra C. Ghent, and Vasudha Nair Using CompStak Data

Tenant Riskiness, Contract Length, and the Term Structure of Commercial Leases: Insights from Jan K. Brueckner and Stuart S. Rosenthal Using CompStak Data

Filtering in Commercial Real Estate: Insights from Nathaniel Baum-Snow, Stephan Heblich, and Stuart S. Rosenthal Using CompStak Data

The Financial Impact of Healthy Buildings: Research Insights from Natasha Sadikin, Dr. Irmak Turan, and Dr. Andrea Chegut Using CompStak Data

The 2024 Wrap-Up: 5 Commercial Real Estate Trends to Watch in 2025 Webinar Recap

Top Retail Sectors in Commercial Real Estate to Watch in 2025

Which Markets Have the Highest Industrial Sales Prices — and Why Does It Matter?

Midtown Finance and Legal Tenants Reigned Supreme in Top Ten Manhattan Office Leases by Value in 2024

CompStat: Manhattan’s Triple Digit Office Lease Rise, Department Store Challenges and Single Tenant Industrial Cap Rates

Navigating Policy, Uncertainty, and Market Dynamics in the New Political Climate

2024 Biannual Industrial Report: Part Four

Breaking Down Loan Data in Commercial Real Estate

2024 Biannual Industrial Report: Part Three

2024 Biannual Industrial Report: Part Two

The Data Have and Have Nots — A Recap of The Not Podcast Podcast with Josh Herrenkohl of FTI Consulting

2024 Biannual Industrial Report: Part One

Are Data Centers Overhyped? — A Recap of The Not Podcast Podcast with Nick Carter of Altus

CompStat: Washington D.C. Office Buildings DOGE Could Target, E-Commerce Soars, Industrial Big Box Slowdown, and Barnes and Noble Comeback

What is Cold Storage in Commercial Real Estate?

2024 Mid-Year Office Market Report: Part Five

CompStak Exchange

For Brokers, Appraisers and Researchers

The world's largest free and anonymous lease and sale comp trading platform

CompStak One

For Landlords, Lenders and Investors

Powering analysis with real-time records of CRE lease, sale, property, and loan data.

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Stay up to date with the latest Commercial Real Estate Insights.

CompStak Exchange

For Brokers, Appraisers and Researchers

The world's largest free and anonymous lease and sale comp trading platform

CompStak One

For Landlords, Lenders and Investors

Powering analysis with real-time records of CRE lease, sale, property, and loan data.