CRE glossary
Lease abstract
A lease abstract is a structured summary of a commercial lease, extracting the key terms (parties, premises, term, base rent, escalations, options, special clauses) from the full document into a single-page reference. Lease abstracts are produced after lease execution to support deal teams, asset managers, and lenders who need quick reference without reading 60+ pages.
Traditional lease abstraction was a paralegal task: read the lease, build a structured summary, populate a 30–40 field template. Time required: 4–8 hours per lease at $100–$200/hour, or $400–$1,600 per lease. AI-driven abstraction tools like DealDesk reduce this to 90 seconds at a fraction of the cost, same accuracy bar (96%+ on commercial leases), every field cited back to the source page.
A complete abstract includes 30–40 fields across six categories: (1) Parties, tenant, landlord, guarantors. (2) Premises, address, suite, RSF, USF, parking. (3) Term, commencement, expiration, options. (4) Economics, base rent, escalations, free rent, TI, security deposit. (5) Operating, CAM structure, OpEx pass-throughs, base year. (6) Special, exclusivity, co-tenancy, restoration, restrictions.
Abstracts feed downstream workflows. Asset management uses them for portfolio reporting; brokers reference them when pitching renewal terms or evaluating expansion options; lenders use them in underwriting; corporate real estate teams use them for occupancy planning. A bad abstract (incorrect rent, wrong dates, missed clauses) creates downstream errors for years.
Example
- Traditional abstraction
- 4–8 hours, $400–$1,600 per lease
- DealDesk abstraction
- 90 seconds, free for first 3/month
- Field count (typical)
- 30–40 fields per abstract
- Accuracy benchmark
- 96%+ on commercial leases
Broker perspective
Lease abstracts are how a broker stays organized across a portfolio. Without them, every conversation about a deal requires re-reading the lease, a 30-minute task. With them, every conversation is a 30-second reference. DealDesk's lease abstractor takes 60 pages to a 38-field abstract in 90 seconds, with citations on every field, turning what was a paralegal cost line into a free, instant resource.
Frequently asked
People also ask
Who reads lease abstracts?
Asset managers, tenant rep brokers (referencing closed deals for new ones), lenders, corporate real estate teams, attorneys at renewal.
How long should an abstract be?
1 page for office (30–40 fields). Longer for retail (co-tenancy clauses, exclusive use, percentage rent) and industrial (specifications).
Are abstracts legally binding?
No. They're summaries for reference. The underlying lease is the binding document; if abstract and lease disagree, lease wins.
Can I do my own abstract?
Yes. AI tools (DealDesk) make it faster than manual abstraction. The hard part is accuracy, every field needs verification against the source.
Related terms
Letter of intent (LOI)
A non-binding outline of the major business terms, rent, term, TI, options, that becomes the basis for the binding lease.
Base rent
The headline rent before pass-through expenses, usually quoted in $/SF/year and the starting point for every comp.
Operating expenses (OpEx)
All costs to run the building, taxes, insurance, utilities, janitorial, management, that get passed through to tenants in NNN and modified gross structures.
Renewal option
Tenant's contractual right to extend the lease at predefined terms, usually exercised 9–12 months before expiration.
See lease abstract extracted from a real lease.
Drop a 60-page lease, get a 38-field abstract in 90 seconds, every value cited back to the source page.