CompStak vs CoStar

CRE Market Data & Research Platforms · Verified 2026-08-22 · No paid placement

Crowdsourced commercial real estate lease and sale comps

Appraisers and investment-sales/underwriting teams who need verified, granular lease and sale comp data (rent, concessions, cap rates, NOI) to support a valuation or pricing strategy — a data source that feeds into a model or report, not a modeling tool itself.

The #1 commercial real estate information, analytics, and marketing company

The default data backbone for any institutional CRE shop that can afford it — broad but expensive, and pricing is deliberately opaque, so it's a negotiated enterprise sale, not self-serve.

CompStak CoStar
Pricing model Subscription Subscription
Public pricing Not published roughly $300-$800+/mo per seat reported by resellers; annual deals commonly cited $3,000-$23,000+/yr, averaging ~$15,000/yr; large enterprise deals go well higher
Asset classes Office, Retail, Industrial, Mixed Office, Retail, Industrial, Multifamily, Mixed, All
Built for Appraisers, Brokers, Pe Funds, Lenders Pe Funds, Reits, Lenders, Brokers, Appraisers, Property Managers
Integrations Cherre Excel/Argus exports, owns LoopNet, owns Apartments.com, STDB (demographics)
Status notes scale: 850K+ unique properties, 2.3M+ comps, 40K+ contributing brokers/appraisers/researchers founded_year: 1987; acquisitions: acquired LoopNet (2012), Apartments.com, Ten-X, Homes.com push, many roll-ups over decades; publicly traded (NASDAQ: CSGP); shutdown_risk: none — dominant incumbent, near-monopoly on CRE comps/listings data in the US
Last verified 2026-08-22 2026-08-22

What the data says

  • CoStar publishes pricing (roughly $300-$800+/mo per seat reported by resellers; annual deals commonly cited $3,000-$23,000+/yr, averaging ~$15,000/yr; large enterprise deals go well higher) while CompStak is quote-only — if procurement speed matters, that transparency is a practical edge.
  • CoStar covers Multifamily where CompStak does not list coverage.
  • Factor in CompStak's status: scale: 850K+ unique properties, 2.3M+ comps, 40K+ contributing brokers/appraisers/researchers
  • Factor in CoStar's status: founded_year: 1987; acquisitions: acquired LoopNet (2012), Apartments.com, Ten-X, Homes.com push, many roll-ups over decades; publicly traded (NASDAQ: CSGP); shutdown_risk: none — dominant incumbent, near-monopoly on CRE comps/listings data in the US

Frequently asked questions

CompStak vs CoStar: which is better for CRE?
Both are established cre market data & research platforms options; the right choice depends on firm type, asset mix, and stack fit. The comparison table on this page sets out pricing model, asset-class coverage, integrations, and vendor status side by side — verified 2026-08-22, with no paid placement influencing either profile.
Do CompStak and CoStar publish pricing?
CompStak: no public pricing — expect a sales process. CoStar: roughly $300-$800+/mo per seat reported by resellers; annual deals commonly cited $3,000-$23,000+/yr, averaging ~$15,000/yr; large enterprise deals go well higher.