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  4. /Industrial Gross Lease

Industrial Gross Lease: CAM Audit Guide

Last updated: April 2026

By Angel Campa, Founder

Industrial Gross Lease tenants face specific billing risks tied to how expenses are allocated and reconciled. The most common error appears in the section below. CAMAudit runs 14 forensic detection rules on your reconciliation statement to identify every recoverable dollar.

Most Common Overcharge

HVAC ambiguity, landlords bill tenants for full HVAC unit replacements (a capital expenditure) under the claim that the lease assigns HVAC "maintenance" to the tenant. A rooftop unit replacement costing $15,000–$40,000 for a warehouse is a capital item the landlord should bear. The distinction between maintenance (tenant) and replacement (landlord) is the central dispute in industrial gross leases.

What Is a Industrial Gross Lease?

A lease structure common in industrial, warehouse, and logistics properties where the base rent covers property taxes and building insurance (as in a double net structure), but the tenant takes direct responsibility for utilities, interior maintenance, and HVAC upkeep. The landlord typically retains responsibility for the structural elements (roof, exterior walls, foundation) and exterior maintenance.

Industrial Gross Lease Expense Pass-Throughs

Landlord covers: property taxes, building insurance, structural maintenance, exterior maintenance, and typically roof and foundation. Tenant covers: all utilities (electricity, gas, water), interior maintenance, HVAC maintenance and repairs, and interior janitorial. Responsibility for HVAC replacement (as opposed to repair) is the most commonly disputed item.

Industrial Gross Lease CAM Calculation & Billing

No formal CAM pool. Utilities are either submetered or tenant-procured directly from the utility provider. HVAC maintenance is tenant-directed. Interior repairs are tenant responsibility. Some industrial gross leases include a landlord right to approve major HVAC contractors. Tenant pays vendors directly, no annual reconciliation is required.

Red Flags to Watch

  • ▶HVAC "repair" invoice that is 40–60% of the unit's replacement cost (indicator of a replacement)
  • ▶Landlord billing for roof membrane work as "interior ceiling repair"
  • ▶Utility charges at rates above the provider tariff (markup indicator)
  • ▶Property tax or insurance charges appearing on tenant invoices in an industrial gross structure
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Check Your Industrial Gross Lease for These Overcharges

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Audit Focus

Audit any HVAC invoice to determine whether it is a repair or a replacement. Request the manufacturer's product documentation and the HVAC contractor's assessment, a unit at or near end of useful life that is "replaced" is a capital expenditure regardless of how it is labeled. Verify that structural roof and exterior wall repairs are not passed through as interior maintenance. Review utility invoices if submetered to ensure no markup.

Common Industries

  • →Logistics and warehousing
  • →Light manufacturing
  • →Distribution centers
  • →Cold storage
  • →Flex industrial

Explore Other Lease Types

Triple Net Lease (NNN)Double Net Lease (NN)Single Net Lease (N)Modified Gross LeaseFull Service Gross Lease (FSG)Absolute Net LeaseGround LeasePercentage LeaseRetail LeaseOffice LeaseMedical Office LeaseRetail Net Lease (NNN Retail)Flex Space LeaseBondable Net Lease
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Don't Overpay on Your Industrial Gross Lease

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Related Guides

IndustriesGuide
Industrial CAM Costs: Low Per-SF but High Pro-Rata Risk
NNN LeasesOverview
The Commercial Tenant's Guide to Triple Net (NNN) Leases
CAM OverchargesGuide
5 common modified gross lease overcharges (and how to catch them)
CAM OverchargesGuide
CAM Gross-Up Calculation Formula: How to Catch Vacancy Exploitation

Explore Related Resources

Lease ClauseManagement Fee ClauseLease ClausePro-Rata Share Definition ClauseLease TypeModified Gross LeaseLease TypeFull Service Gross Lease (FSG)GlossaryIndustrial Gross LeaseDetection RuleGross Lease Charges

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Related Resources

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Related Articles

  • Industrial & Warehouse CAM Costs
  • NNN Lease Tenant Guide

Frequently asked questions

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This page provides general educational information. It is not legal advice and may not reflect the most current law in your state. Consult a licensed attorney for advice specific to your situation.