Curated Field Library

Commercial Lease Fields for Your Workflow

Start with the lease fields used for abstraction, CAM review, audit prep, and system import. This hub covers the common terms first. Browse by category to find the field you need.

8 priority fields5 CAM-relevant fields16 categories

Parties & Property

Key Dates & Term

Rent & Escalations

CAM & Operating Expenses

Options

Tenant Improvements & Construction

Insurance & Indemnity

Assignment & Subletting

Default & Remedies

Exclusivity & Co-tenancy

Parking & Common Areas

Utilities

Signage & Permitted Use

Miscellaneous

Browse Other Categories

Frequently Asked Questions

How many fields does Lextract extract from a lease?
Lextract extracts 126 structured fields from every commercial lease PDF. These fields span 16 categories including parties and property, key dates and term, rent and escalations, CAM and operating expenses, options, tenant improvements, insurance, assignment, default, exclusivity, parking, utilities, signage, and miscellaneous provisions.
What types of fields are extracted from a commercial lease?
Extracted fields cover commercial lease data such as financial terms (base rent, CAM caps, operating expense stops), critical dates (commencement, expiration, option deadlines), tenant rights (renewal options, ROFO, termination rights), and legal provisions (assignment restrictions, SNDA requirements, holdover rent). Each field includes a confidence score of High, Medium, or Low based on AI extraction quality.
Are all 126 fields extracted from every lease?
Lextract attempts all 126 fields on every lease, but not every field is present in every document. For example, a gross lease will not have separate NNN expense fields, and a lease without options will not populate renewal option dates. Fields absent from the source document are returned as null with an explanation, so you always know what was found versus what was not present.
What confidence scoring system does Lextract use for extracted fields?
Every extracted field receives one of three confidence levels. High means the AI found clear language and the source scan was clean. Medium means the provision was identified but the language was ambiguous or the scan quality was moderate. Low means the field was flagged for human review because of poor source quality or conflicting language. Low-confidence fields are highlighted in the results dashboard. Always verify extracted data against the original lease.
Which fields are most commonly used in lease abstracts?
The most referenced fields in commercial lease abstracts are base rent, lease commencement and expiration dates, tenant and landlord entity names, square footage, renewal options, CAM expense caps, rent escalation schedule, security deposit amount, and permitted use. Lextract treats all of these as required fields. They are always attempted and always included in exports.

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