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CompStak

compstak.com

From $199.99/mo Free plan WebAPI
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Spec score 9.0 #1 of 56 in Real Estate Analytics Software

What it is

CompStak provides commercial real estate lease, sale, loan, and property data collected from professionals and reviewed by CRE analysts. Coverage spans major commercial property 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, analyst-reviewed comps platform: contributors submit deals to access comparable data. It includes team comp storage, market trends, rent heat maps, alerts, and prospecting tools for lease activity and expirations. CompStak One adds analytics, portfolio analysis, AI Market Summary, and natural-language comp search with CompScout. Rent Predictor estimates starting rent for office or industrial spaces, including vacant spaces and new construction, using building, competitive set, square footage, and floor. Agent Connect links verified CompStak data with internal data in AI tools including Claude, Gemini, ChatGPT, and Copilot. APIs, bulk feeds, and custom MCP delivery are available; API capabilities include market, property, and space insights plus property matching and standardization. Exchange is free with contributions; paid access starts at $199.99/mo (annual).

Spec sheet

What it does
CompStak provides commercial real-estate lease, sale, loan, property and analytics data sourced from industry professionals and verified by analysts.Read 14 Oct 2026 · compstak.com
Product
CompStak provides commercial real estate lease, sale, loan, and property data sourced from professionals and verified by CRE analysts.Read 7 Oct 2026 · compstak.com
Integrations
CompStak supports API, scheduled data-feed and MCP delivery into applications, warehouses, BI tools and AI assistants.Read 14 Oct 2026 · compstak.com
Headquarters
675 6th Ave, Floor 4, New York, NY 10010, United StatesRead 28 Sep 2026 · compstak.com
Founded
2011Read 28 Sep 2026 · compstak.com
Company
CompStak says it launched in 2012 and is an independent, privately held commercial real estate transaction data company.Read 7 Oct 2026 · compstak.com
Agent Connect
Agent Connect is CompStak's MCP connection for querying verified data inside ChatGPT, Claude, Gemini and Microsoft Copilot.Read 14 Oct 2026 · compstak.com
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.Read 7 Oct 2026 · compstak.com
Analysis
CompStak One includes analytics, portfolio analysis, AI Market Summary, and natural-language comp search through CompScout.Read 7 Oct 2026 · compstak.com
Analytics
CompStak offers visualizations, market reports and trend analysis across its U.S. markets.Read 14 Oct 2026 · compstak.com
API capabilities
The APIs support market rent and concession analysis, building valuation, space underwriting with comparable leases, and matching or deduplicating property records.Read 14 Oct 2026 · compstak.com
API offering
CompStak advertises four APIs: Market Insights, Property Insights, Space Insights and Property Standardization.Read 14 Oct 2026 · compstak.com
Company headquarters and size
LinkedIn lists headquarters in New York, NY and a company size of 51–200 employees.Read 14 Oct 2026 · mx.linkedin.com
Company legal name
Crunchbase lists the legal entity as CompStak, Inc., founded by Michael Mandel and Vadim Belobrovka.Read 14 Oct 2026 · crunchbase.com
CompScout
CompScout lets users surface comparable transactions with natural-language prompts.Read 14 Oct 2026 · compstak.com
Coverage
The platform states that its verified data spans 105 U.S. markets and office, retail, industrial, multifamily, flex, R&D and land assets.Read 14 Oct 2026 · compstak.com
Data delivery
CompStak offers API, bulk data feeds, and custom MCP delivery for integrating data into applications, models, warehouses, and workflows.Read 7 Oct 2026 · compstak.com
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.Read 7 Oct 2026 · compstak.com
Data feeds
Scheduled bulk feeds deliver lease, sale, property and loan records in ingestion-ready form for warehouses, BI layers and models.Read 14 Oct 2026 · compstak.com
Documentation
The help center covers Exchange onboarding, data collection, verification, credits, teams and FAQs; API terms say separate technical documentation and usage limits apply.Read 14 Oct 2026 · help.compstak.com
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.Read 14 Oct 2026 · glassdoor.com
Exchange
CompStak Exchange is a free, analyst-reviewed comp platform where contributors submit deals to access comps.Read 7 Oct 2026 · compstak.com
Exchange model
CompStak Exchange lets verified brokers, appraisers and researchers contribute comparable transactions to unlock other comps.Read 14 Oct 2026 · help.compstak.com
Exchange tools
Exchange includes team comp storage, market trends, rent heat maps, alerts, and prospecting tools for lease activity and expirations.Read 7 Oct 2026 · compstak.com
Free-trial policy
CompStak's pricing article says all enterprise prospects receive a free trial and dedicated sales support.Read 14 Oct 2026 · compstak.com
Funding
Houlihan Lokey reports CompStak announced a $50 million Series C led by Morgan Stanley Expansion Capital on November 12, 2021, bringing total funding to $78 million.Read 14 Oct 2026 · hl.com
Lease comps
Lease records include fields such as net effective rent, free rent, tenant improvements, escalations and lease term.Read 14 Oct 2026 · compstak.com
License and ownership
The terms grant a revocable, non-transferable access license and state that the database remains CompStak proprietary intellectual property; no open-source license is stated.Read 14 Oct 2026 · compstak.com
Limit: data freshness
G2 reviewers report that some comps can be outdated or incorrect when tenants move or when submitted information is inaccurate.Read 14 Oct 2026 · g2.com
Limit: privacy and entry effort
Reviewers say uploaded comps cannot be kept private and that entering lease information can be time-consuming.Read 14 Oct 2026 · g2.com
Limit: support and renewal
One G2 reviewer reports poor support and an unwanted automatic renewal tied to a 60-day notice clause.Read 14 Oct 2026 · g2.com
Loan data
Loan and CMBS data includes lender, loan-to-value, maturity date and origination information.Read 14 Oct 2026 · compstak.com
Notable news
CompStak announced CompStak One Connect on September 29, 2026, combining Agent Connect with Rent Predictor.Read 14 Oct 2026 · compstak.com
Portfolios
The portfolio tools benchmark holdings against landlords and submarkets and track tenant exposure and lease expirations.Read 14 Oct 2026 · mx.linkedin.com
Praise: data detail
Reviewers praise CompStak for detailed lease fields and for providing reliable or more accurate comps than competing sources in their markets.Read 14 Oct 2026 · g2.com
Praise: usability
G2 reviewers repeatedly describe the interface as user-friendly, easy to search and easy to export results.Read 14 Oct 2026 · g2.com
Property data
Property records include building class, landlord, size, floor and year built.Read 14 Oct 2026 · compstak.com
Rating on G2
3.7 out of 5 from 9 reviewsRead 14 Oct 2026 · g2.com
Rating on G2 Exchange
3.5 out of 5 from 6 reviewsRead 14 Oct 2026 · g2.com
Rating on GetApp Prospect
0 out of 5 from 0 reviewsRead 14 Oct 2026 · getapp.com
Rent estimates
Rent Predictor estimates starting rent for office or industrial spaces, including vacant spaces and new construction, using building, competitive set, square footage, and floor.Read 7 Oct 2026 · compstak.com
Rent Predictor
Rent Predictor estimates current rent for a specified space using similar analyst-verified comps and inputs such as address, floor, size and lease type.Read 14 Oct 2026 · compstak.com
Sale comps
Sale records include cap rate, NOI, buyer and seller and price per square foot.Read 14 Oct 2026 · compstak.com
Security statement
CompStak says it limits access to personal information and uses physical, electronic and managerial safeguards, while warning that internet transmission cannot be guaranteed secure.Read 14 Oct 2026 · compstak.com
Support process
Help-center guidance directs account changes and questions to CompStak support email, while enterprise access is handled through sales demos.Read 14 Oct 2026 · help.compstak.com
Verification
CompStak says its deal data is collected from verified commercial real estate professionals and reviewed by its real estate data experts.Read 7 Oct 2026 · compstak.com
Who it serves
The site lists brokers, appraisers, lenders, asset managers, owners and operators, private equity, CMBS investors, consultants, government agencies, and universities among its audiences.Read 7 Oct 2026 · compstak.com

Plans and prices

CompStak Exchange Free Free access · contribute comps to unlock data Read 7 Oct 2026 · compstak.com
CompStak Exchange Free For verified brokers, appraisers, and researchers · contribute comps to unlock others · Market Dashboard included Read 14 Oct 2026 · compstak.com
CompStak Prospect Individual Contributor $199.99 a month Contracts annual From $199.99/mo · 1 US market · 1 licensed user · 250 monthly tenant exports Read 14 Oct 2026 · compstak.com
CompStak Prospect Team Access $499.99 a month Contracts annual 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 One Priced on request Verified CRE data · analytics · portfolios · CompScout Read 7 Oct 2026 · compstak.com
CompStak One Connect Priced on request CompStak One features · Rent Predictor · Agent Connect (MCP) Read 7 Oct 2026 · compstak.com
CompStak Prospect Organization/Enterprise Priced on request Contracts annual Nationwide access · company-wide licensed users · 450 monthly exports per user · designated client success manager · API integration Read 14 Oct 2026 · compstak.com

Every CompStak plan and price →

Strong points and limits

Strong points

  • Coverage includes major CRE asset types in 105 markets.
  • Exchange provides comps in return for contributed deals.
  • One adds analytics, portfolios, and natural-language search.
  • Rent Predictor covers vacant spaces and new construction.
  • APIs, bulk feeds, and custom MCP delivery are available.

Limits

  • Exchange access requires contributing comps to unlock data.
  • Paid access starts at $199.99/mo (annual).

Who it suits

The listed audiences include brokers, appraisers, lenders, asset managers, owners and operators, investors, consultants, government agencies, and universities. It may suit teams needing verified CRE transaction data, analytics, or data integrations.

Verdict

CompStak pairs contributor-accessed comps with paid analytics, estimation, and data-delivery options. Check which access level and integration method match your workflow and budget.

Where Specifiction places it

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