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

Market Intel Feb 12, 2025

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 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

MARKET INTEL: Rising “IRE”: Two CRE Industrial Trends to Watch During Rising Inflation, Rates and Employment Cuts

How Commercial Real Estate Proptech is Transforming the Industry

Will Rising Interest Rates Freeze The Multifamily Sector?

MARKET INTEL: CRE Headwinds – Rising “IRE”: Inflation, Interest Rates, and Employment Cuts

Inflation and CRE Investment Landscape

Impacts of Rising Interest Rates and Inflation on CRE

MARKET INTEL: The Starbucks Effect: Office Rents Rose Where Starbucks Opened Most Stores During Pandemic

MARKET INTEL: Top Ten Metros by Net Tech Job Gains – Multifamily and Office Rent Growth

Product Update: The Full Picture with Multifamily Data

RealPage® and CompStak Announce Data Partnership

MARKET INTEL: Downtown and Suburban Retail: Comparing Performance Across Ten Metros

MARKET INTEL: Impact of a Roe v. Wade Reversal on Commercial Real Estate Market

Introduction to Cap Rates With Surprising Examples

AnthemIQ Partners with CompStak to Empower Brokers with CRE Data

Key Metrics for Commercial Real Estate Underwriting

About Commercial Real Estate & COPE Underwriting Information

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.

Featured Post