AnalyticsAltus Group

Lease Abstraction for ARGUS Enterprise

By Angel Campa, Founder · Updated March 2026

About ARGUS Enterprise

ARGUS Enterprise is the industry-standard commercial real estate valuation and cash flow modeling platform, used by institutional investors, REITs, and investment managers to underwrite acquisitions and manage asset performance. ARGUS models lease-by-lease cash flows, vacancy assumptions, market rent projections, and sale pricing, requiring precise lease data as inputs. Errors in lease data entry directly affect DCF valuations and investment committee presentations.

How Lextract Helps

ARGUS models depend on accurate lease inputs — any error in commencement dates, rent schedules, or option terms directly distorts the property's projected cash flows and valuation. Lextract eliminates data entry errors by extracting all economically critical lease fields with confidence scores, providing a verified source of truth before data is entered into ARGUS. For acquisition due diligence where 20-50 leases need to be modeled quickly, Lextract dramatically accelerates the underwriting process.

Workflow: Extract to Import

1Upload all property leases to Lextract during the due diligence period
2Download the Excel output with all rent schedules, escalations, options, and expense data
3Review red flags — particularly missing renewal options and CAM cap provisions affecting cash flow
4Build ARGUS model using Lextract data as the verified source for all lease inputs
5Cross-reference Lextract extractions against the rent roll provided by the seller
6Document any discrepancies between Lextract data and the seller's rent roll for price negotiation

Supported Export Formats

Lextract provides the following export formats compatible with ARGUS Enterprise:

ExcelCSVJSON

Critical Fields for ARGUS Enterprise

These are the highest-priority fields Lextract extracts for ARGUS Enterprise users:

Base Rent Rent Escalation Commencement Date Expiration Date Renewal Options Cam Estimate Cam Cap Termination Option Free Rent Ti Allowance

Frequently Asked Questions

Which ARGUS data fields does Lextract populate?

Lextract directly populates the most critical ARGUS inputs: lease commencement and expiration, base rent by year, CPI and fixed escalations, expense reimbursement structure (gross, NNN, modified gross), CAM estimates, renewal options (term, rent basis, notice period), termination options, and TI allowance. These account for the majority of manual data entry time in ARGUS modeling.

How does Lextract help with the rent roll verification process?

Lextract extracts data directly from the executed lease documents — the legal source of truth. Comparing the Lextract extraction against the seller's rent roll identifies any discrepancies in quoted rents, lease dates, or option structures. This is a standard quality-control step in institutional due diligence that Lextract makes faster and more systematic.

Can Lextract process anchor tenant leases with complex percentage rent structures?

Yes. Lextract extracts percentage rent provisions including breakpoint types (natural vs. artificial), percentage rate, and sales reporting requirements. These are flagged as complex extractions with confidence scores, and the raw lease language is preserved for review when the structure involves multiple percentage rent tiers.