Cost Calculator AI
Shipping, Logistics & WarehousingIndustrial Real Estate

Warehouse Cost Per Square Foot Calculator

Calculate gross and usable warehouse real estate expenses per square foot, incorporating NNN lease rent, property taxes, insurance, CAM, and utilities.

Building Square Footage & Monthly Lease

True Usable Cost / Sq Ft

$16.80

Annual / usable sq ft

Gross Cost / Sq Ft

$12.60

Annual / gross footprint

Monthly Facility Total

$21,000

Rent + CAM + Utilities

Usable Storage Area

15,000 sq ft

75% storage footprint

Warehouse Cost Per Square Foot Formula

Annual Gross \$/\text{Sq Ft} = \frac{\text{Annual Facility Costs}}{\text{Gross Building Sq Ft}}, \quad \text{Annual Usable \$/\text{Sq Ft}} = \frac{\text{Annual Facility Costs}}{\text{Usable Storage Sq Ft}}
  • Gross Building Area: Total exterior perimeter square footage under roof.
  • Usable Storage Footprint: Net active storage space after deducting staging docks, forklift aisles, restrooms, and administrative offices (typically 65% to 75% of gross).
  • NNN Expenses: Property taxes, building casualty insurance, and Common Area Maintenance (CAM).
  • True Usable Cost: Effective dollar cost per square foot of actual revenue-generating inventory capacity.

Step-by-Step Worked Example

Scenario: Leasing a 20,000 sq ft warehouse with 75% usable storage footprint (15,000 sq ft) at \$15,000 base rent, \$3,000 CAM/taxes/insurance, and \$3,000 utilities/maint

Calculation Steps:

  1. Total Monthly Facility Cost = \$15,000 + \$3,000 + \$3,000 = \$21,000.00
  2. Total Annual Facility Cost = \$21,000.00 × 12 = \$252,000.00
  3. Annual Gross Cost Per Sq Ft = \$252,000 / 20,000 = \$12.60 / sq. ft. / year
  4. Annual Usable Cost Per Sq Ft = \$252,000 / 15,000 = \$16.80 / usable sq. ft. / year
Result: The gross facility cost is \$12.60/sq ft/year, while the true cost per usable revenue-producing square foot is \$16.80/year.

How to Use This Calculator

  1. 1Enter the gross square footage of the warehouse property.
  2. 2Specify the percentage of building space dedicated strictly to usable inventory storage.
  3. 3Input monthly base lease rent, NNN/CAM charges, and utility bills.
  4. 4Review both gross and true usable cost per square foot.

Assumptions & Limitations

  • Standard industrial leases are quoted on a Triple Net (NNN) annual per-square-foot basis.
  • Non-storage aisles and dock staging consume 25% to 35% of total building footprint.

Frequently Asked Questions

What is a Triple Net (NNN) warehouse lease?

In a Triple Net lease, the tenant pays the base monthly rent plus their pro-rata share of all property taxes, building property insurance, and Common Area Maintenance (CAM) operational fees.

Why is usable storage cost per square foot higher than gross cost?

Because forklifts require 10 to 14-foot aisles to navigate, and loading docks require wide staging zones. If only 70% of the building holds inventory, the storage revenue must absorb the cost of the remaining 30% unoccupied circulation space.

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