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

Podcast Recaps Jun 15, 2026

Expectations and Risk Premiums in Illiquid Real Assets: How CompStak Data Shapes CRE Market Insights – Research by Jiro Yoshida and Masashi Takahashi

Client Testimonials Apr 10, 2026

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

Why OC Office Vacancy Just Hit a Turning Point – Podcast Recap with Mike Adams of Stream Realty

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

Columbia CompStak (CCRI) Rent Index National Update: May 29, 2026

New York Is Back. AI Is Complicating It. – Podcast Recap with Gabe Marans of Savills

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

CompStat: The Flight to Quality Has a Price Tag

Link Logistics on Building the Data Foundation AI Actually Needs – Podcast Recap

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

Why OC Office Vacancy Just Hit a Turning Point – Podcast Recap with Mike Adams of Stream Realty

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

Columbia CompStak (CCRI) Rent Index National Update: May 29, 2026

New York Is Back. AI Is Complicating It. – Podcast Recap with Gabe Marans of Savills

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

CompStat: The Flight to Quality Has a Price Tag

Link Logistics on Building the Data Foundation AI Actually Needs – Podcast Recap

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

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

Expectations and Risk Premiums in Illiquid Real Assets: How CompStak Data Shapes CRE Market Insights – Research by Jiro Yoshida and Masashi Takahashi

Client Testimonial: Jiro Yoshida, Penn State

CompStat: Slowing Trade, Miami Office Moves, and a Widening Industrial Quality Gap

Portfolio Series: FTSE Nareit Industrial vs. All Other Industrial Owners

2025 Biannual Office Market Report: Part Four

2025 Biannual Office Market Report: Part Three

2025 Biannual Office Market Report: Part Two

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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