Lease Costs & Terms

CAM Charges

Also known as: common area maintenance, CAM fees

Definition

CAM (common area maintenance) charges are fees a commercial tenant pays to cover the upkeep of shared spaces in a property, such as parking lots, landscaping, lighting, security, and exterior repairs. They are usually billed on top of base rent and reconciled annually.

CAM charges are one of the most misunderstood line items in a commercial lease. They cover the cost of maintaining the common areas every tenant shares: parking, exterior lighting, landscaping, snow removal, security, and structural upkeep.

How CAM works

In a typical triple net (NNN) lease, CAM is billed separately from rent and split by your pro-rata share of the building. The landlord estimates the yearly cost, charges you monthly, then reconciles against what was actually spent. If real costs ran higher, you get a true-up bill you did not plan for.

Why small businesses get burned by CAM

For a small warehouse tenant, an unexpected CAM reconciliation can blow a quarterly budget. The advertised rent looked affordable; the all-in number did not.

WareSpace removes CAM from the equation entirely. Our spaces are all-inclusive: maintenance, security, utilities, and shared-area upkeep are bundled into one flat monthly rate. There is no separate CAM line and no year-end surprise. See the full breakdown in our cost-to-rent guide, or book a tour to see what is included.

Frequently asked questions

How are CAM charges calculated?
CAM is typically split among tenants based on each tenant's share of the building's total square footage, called the pro-rata share. Landlords estimate the annual cost, bill it monthly, then reconcile against actual spend at year-end, which can mean a true-up bill.
Can CAM charges increase?
Yes. CAM is tied to actual operating costs, so it can rise with taxes, repairs, snow removal, or rising vendor prices. Some leases cap annual CAM increases, but many do not, which makes the total cost hard to predict.

Last updated June 24, 2026

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