What Is a Commercial Lease? Key Terms, Types, and What to Watch For
A commercial lease is a legally binding contract between a landlord and a business tenant. Learn the key terms, lease types, and critical clauses before you sign.
By Angel Campa, Founder · Updated March 2026 · Saves 2–3 hours per property for market analysis
Asset managers need to compare their in-place rents against CoStar asking rents to identify below-market and above-market leases for hold/sell and renewal strategy. Without structured extraction of in-place lease data, this comparison requires manual reading of every lease.
Download CoStar asking rent data for comparable properties and lease spaces in the submarket. Export to Excel.
Upload all executed tenant lease PDFs to Lextract for structured extraction.
Lextract extracts base rent per SF, lease type, lease expiration, and escalation schedule for each tenant.
Combine in-place rents from Lextract with CoStar asking rates. Calculate the rent gap (spread to market) and rank tenants from most below-market to most above-market.
Use the rent gap analysis to prioritize lease renewals, identify re-leasing opportunities at market, and inform the hold/sell decision.
Learn about the full integration between Lextract and Microsoft Excel, including supported export formats and critical fields.
View Microsoft Excel integration →Mark-to-market analysis compares your current in-place rents against current market asking rents. Tenants paying below market represent upside at renewal; tenants paying above market represent retention risk.
Lextract identifies whether each lease is NNN, modified gross, or gross. This affects the effective economic rent comparison — a $25/SF NNN lease is not directly comparable to a $25/SF gross lease.
A commercial lease is a legally binding contract between a landlord and a business tenant. Learn the key terms, lease types, and critical clauses before you sign.
AI lease abstraction extracts 100+ structured fields from commercial lease PDFs in minutes. Learn how the technology works, what accuracy to expect, and how cost compares to manual services.
The top lease abstraction companies in 2026, compared by service model, turnaround time, cost per lease, and best use case. Includes AI software vs. outsourced service comparison.
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Start Free Trial at capveri.com →Upload your lease PDF and get 126 structured fields ready to import into Microsoft Excel. Just $15 per lease — no subscription required.
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