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

Client Testimonials Jul 21, 2025

The Trifecta in CRE: Data, AI, and Relationship Building — A Recap of The Not Podcast Podcast with Bob Knakal, Founder of BKREA

Tips & Tricks Sep 9, 2024

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

Latest

Data Science: CompStak's Agentic Search

The AI Boom and its Impact on Data Centers

CompStak Portfolio Series: STAG Industrial vs. First Industrial Realty Trust

CompStak Launches Strategic Advisory Practice to Help CRE Firms Turn Data Into Decisions

Client Testimonial: Jacob Sagi, UNC

Client Testimonial: Crocker Liu, Cornell University

Client Testimonial: Tomasz Piskorski, Columbia Business School

Client Testimonial: Stijn Van Nieuwerburgh, Columbia Business School

5×5 with CompStak: Atlanta Office Market Spotlight – A Recap with Tim Wright of Cushman & Wakefield

CompStat: DOGE Fallout in DC, Dollar Stores under Pressure, and Aging Warehouses

Why CRE Pros Choose CompStak Over the Competition

CompStak and Faropoint Unveil Report on Small-Bay Industrial Real Estate Trends Across Nine Key U.S. Markets

Part Two: Federal Office Footprint in Flux: Washington D.C. Office Market Trends and 2024 Election’s Potential Impact

Part One: Federal Office Footprint in Flux: Current Landscape and Utilization Trends

Breaking Down a Sale Comp in Commercial Real Estate: Key Metrics and Their Importance

What is Warehousing in Commercial Real Estate?

2024 Mid-Year Office Market Report: Part Two

CompStat: Port Activity Surges, Life Science Market Oversupply, and Industrial Trends

2024 Mid-Year Office Market Overview Report: Part One

CRE Market Movers – Uncovering the Top 10 Tenants Returning the Highest Rent in Industrial Commercial Real Estate

What is IOS in Commercial Real Estate?

The Trifecta in CRE: Data, AI, and Relationship Building — A Recap of The Not Podcast Podcast with Bob Knakal, Founder of BKREA

Breaking Down a Lease Comp: Unlocking the Value of Key Data Points in Commercial Real Estate

Introducing CRE Market Movers by Blooma and CompStak: How Do You Accurately Assess Risks and Potential Profits?

The Rising Demand for Cold Storage: Transforming Industrial Real Estate

CompStak and SVN Announce a Strategic Partnership to Enhance Commercial Real Estate Data Solutions

Product Update: Property Lease Snapshot, Suggested Searches, Subtype Filter Improvements, and More!

How Lease Comps Can Drive Better Negotiation Outcomes

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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