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CompStak
675 6th Ave, Floor 4, New York, NY 10010, United States
What it is
CompStak provides commercial real estate data on leases, sales, loans and properties, with deal information collected from professionals and reviewed by CRE analysts. Its coverage spans major CRE asset types in 105 markets. Lease records can include net effective rent, free rent, tenant improvements and escalations; sale records can include cap rate, NOI, buyer and seller, and price per square foot. CompStak Exchange is a free platform where contributors submit deals to access comparable data. It includes team comp storage, market trends, rent heat maps, alerts and tools for finding lease activity and expirations. CompStak One adds analytics, portfolio analysis, AI Market Summary and natural-language comp search through CompScout. Rent Predictor estimates starting rent for office and industrial spaces, including vacant spaces and new construction, using building and space details. Agent Connect connects verified CompStak data with internal data in AI tools such as Claude, Gemini, ChatGPT and Copilot. Data can also be delivered through APIs, bulk feeds or custom MCP delivery. A free Exchange tier is available; paid access starts at $199.99 per month with annual billing.
For and against
For
- Covers major CRE asset types in 105 markets
- Deal data is reviewed by CRE analysts
- Exchange includes heat maps, alerts and team comp storage
- Offers API, bulk feed and custom MCP delivery
Against
- Exchange access requires contributing comps to unlock data
- Paid access starts at $199.99 per month with annual billing
The verdict
CompStak brings verified commercial property transaction information together with tools for searching, analysing and delivering data. The free Exchange requires comp contributions to unlock data; broader CompStak One features are offered in paid plans.
Who it suits
CompStak serves commercial real estate professionals and organisations, including brokers, appraisers, lenders, asset managers, owners and operators, investors, consultants, government agencies and universities. Its Exchange is suited to contributors seeking access to comparable deal data.
Plans and prices
CompStak Exchange
For verified brokers, appraisers, and researchers · contribute comps to unlock others · Market Dashboard included
Read 14 Oct 2026 · compstak.com
CompStak Prospect Individual Contributor
From $199.99/mo · 1 US market · 1 licensed user · 250 monthly tenant exports
Read 14 Oct 2026 · compstak.com
CompStak Prospect Team Access
From $499.99/mo · up to 3 markets · up to 3 licensed users · 350 monthly tenant exports per user
Read 14 Oct 2026 · compstak.com
CompStak Prospect Organization/Enterprise
Nationwide access · company-wide licensed users · 450 monthly exports per user · designated client success manager
Read 14 Oct 2026 · compstak.com
CompStak One
Verified CRE data · analytics · portfolios · CompScout
Read 7 Oct 2026 · compstak.com
CompStak One Connect
CompStak One features · Rent Predictor · Agent Connect (MCP)
Read 7 Oct 2026 · compstak.com
On the record
- Agent Connect
- Agent Connect is CompStak's MCP connection for querying verified data inside ChatGPT, Claude, Gemini and Microsoft Copilot.compstak.com · read 14 Oct 2026
- AI integrations
- Agent Connect is an MCP server that connects verified CompStak data with internal data in AI tools including Claude, Gemini, ChatGPT, and Copilot.compstak.com · read 7 Oct 2026
- Analysis
- CompStak One includes analytics, portfolio analysis, AI Market Summary, and natural-language comp search through CompScout.compstak.com · read 7 Oct 2026
- Analytics
- CompStak offers visualizations, market reports and trend analysis across its U.S. markets.compstak.com · read 14 Oct 2026
- API capabilities
- The APIs support market rent and concession analysis, building valuation, space underwriting with comparable leases, and matching or deduplicating property records.compstak.com · read 14 Oct 2026
- API offering
- CompStak advertises four APIs: Market Insights, Property Insights, Space Insights and Property Standardization.compstak.com · read 14 Oct 2026
- Company
- CompStak says it launched in 2012 and is an independent, privately held commercial real estate transaction data company.compstak.com · read 7 Oct 2026
- Company headquarters and size
- LinkedIn lists headquarters in New York, NY and a company size of 51–200 employees.mx.linkedin.com · read 14 Oct 2026
- Company legal name
- Crunchbase lists the legal entity as CompStak, Inc., founded by Michael Mandel and Vadim Belobrovka.crunchbase.com · read 14 Oct 2026
- CompScout
- CompScout lets users surface comparable transactions with natural-language prompts.compstak.com · read 14 Oct 2026
- Coverage
- The platform states that its verified data spans 105 U.S. markets and office, retail, industrial, multifamily, flex, R&D and land assets.compstak.com · read 14 Oct 2026
- Data delivery
- CompStak offers API, bulk data feeds, and custom MCP delivery for integrating data into applications, models, warehouses, and workflows.compstak.com · read 7 Oct 2026
- Data detail
- Lease comp fields include net effective rent, free rent, tenant improvements, and escalations; sale fields include cap rate, NOI, buyer and seller, and price per square foot.compstak.com · read 7 Oct 2026
- Data feeds
- Scheduled bulk feeds deliver lease, sale, property and loan records in ingestion-ready form for warehouses, BI layers and models.compstak.com · read 14 Oct 2026
- Documentation
- The help center covers Exchange onboarding, data collection, verification, credits, teams and FAQs; API terms say separate technical documentation and usage limits apply.help.compstak.com · read 14 Oct 2026
- Employee review signal
- Glassdoor shows a 3.9 out of 5 employee rating from 49 reviews, with 69% saying they would recommend CompStak to a friend.glassdoor.com · read 14 Oct 2026
- Exchange
- CompStak Exchange is a free, analyst-reviewed comp platform where contributors submit deals to access comps.compstak.com · read 7 Oct 2026
- Exchange model
- CompStak Exchange lets verified brokers, appraisers and researchers contribute comparable transactions to unlock other comps.help.compstak.com · read 14 Oct 2026
