About Compstak
CompStak is the leading crowdsourced commercial real estate lease comp and sales comp data platform. Its 35,000+ member network of CRE appraisers, brokers, and researchers contribute authenticated lease and sale transaction data covering all US markets. Unlike CoStar which employs researchers, CompStak leverages a unique exchange model where members contribute comps to access the database. This produces highly detailed, granular deal-level data including effective rent, TI, free rent, and lease terms that are difficult to find elsewhere. CompStak serves institutional investors, lenders, appraisers, and brokers.
✓ Pros
✓Unique crowdsourced model produces granular lease data unavailable elsewhere
✓35,000+ member network ensures broad market coverage
✓Free access for brokers/appraisers who contribute their own comp data
✓Detailed effective rent data (TI, free rent, escalations) not found in CoStar
✓Trusted by institutional investors and appraisers for due diligence
✗ Cons
✗Data quality depends on member contributions — can be uneven in smaller markets
✗Enterprise pricing not publicly available
✗Limited property-level data beyond transaction comps (no building operations data)
✗Smaller overall dataset than CoStar — better for specific deals than broad market overview
Who This Is For
Roles
Company Size
Property Types
Compstak Features
✦ Lease Comparables
Authenticated lease comp data with effective rent, tenant improvements, free rent, and lease terms.
✦ Lease Analytics
Market-level lease trend analysis including rent growth, concession trends, and absorption.
✦ Tenant Information
Detailed tenant data including industry, space requirements, and lease expiration dates.
✦ Lease Expiration Tracking
Portfolio and market-level lease expiration schedules for renewal and leasing strategy.
✦ Sales Comparables
Transaction data with sale price, cap rate, price per SF, and buyer/seller information.
✦ Investment Analytics
Portfolio and market-level investment performance benchmarking.
✦ Transaction History
Complete transaction history for commercial properties across US markets.
✦ Market Reports
Automated market reports with rent trends, vacancy rates, and absorption data.
✦ Submarket Analysis
Granular submarket-level data for precise geographic analysis.
✦ Custom Analytics
Build custom datasets and analysis from CompStak's comprehensive comp database.
✦ Exchange Platform
Members contribute comps to earn credits for accessing the full database.
✦ Enterprise Platform
Institutional-grade platform with API access and bulk data downloads.
✦ Data Integration
Feed CompStak data directly into internal analytics and valuation tools.
Compstak Pricing
Exchange (Free)
Free
Enterprise
Contact for pricing
Integrations
ARGUS (Valuation)Excel (Spreadsheet)Tableau (Analytics)Power BI (Analytics)Snowflake (Data Warehouse)
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