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  • Maximo Furnell
  • homesgaterentals
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Created Jun 16, 2025 by Maximo Furnell@maximofurnellMaintainer

Common Area Maintenance (CAM).


What prevails Area Maintenance?
How Does Common Area Maintenance Work?
What Does Common Area Maintenance Include?
How to Calculate CAM Charges
Common Area Maintenance Formula (CAM).
Common Area Maintenance Calculator (CAM).
CAM Charges Calculation Example.
What is Common Area Maintenance?

Common Area Maintenance (CAM) refers to the fees sustained by renters on top of their base rent that are utilized to cover regular charges to keep the shared areas of a given residential or commercial property.

How Does Common Area Maintenance Work?

Common area upkeep (CAM) charges are different charges sustained monthly on top of the base rent to cover costs connected to residential or commercial property maintenance.

CAM stands for "Common Area Maintenance", and describes the costs paid by renters to their landlord for the upkeep of a residential or commercial property's typical area.

The importance of common location maintenance (CAM) tends to be greater for industrial realty (CRE) residential or commercial properties considering that there are more renters and shared spaces in such residential or commercial properties.

- Usable Area → The usable location is the space that rented by a particular tenant. Therefore, the functional square footage in a building is what is inhabited by a distinct renter, inclusive of toilets, private meeting rooms, and private workplaces.

  • Common Area → On the other hand, the common area of a structure is not rented to a specific but is rather accessible to all occupants for cumulative use. These shared areas can include lobbies, parking space, roofing system decks, and elevators.

    So, who pays for the costs connected to preserving the common area?

    Since all tenants have the right to make use of the space, as part of the leasing contract, each of them contribute towards such payments, usually on a professional rata basis.

    With those profits, the property manager is expected by occupants to guarantee the typical locations are kept arranged and clean, while repairing issues or repairing damages.

    What Does Common Area Maintenance Include?

    The most regular kinds of common locations at residential or commercial properties include the following examples:

    - Lobby and Hallway.
  • Open Area Workspace.
  • Fitness Center (Public Gym).
  • Janitorial Services.
  • Elevators.
  • Parking Spaces.
  • Shared Amenities.
  • Surrounding Outdoor Areas (Pool).
  • Building Security and Alarm Systems.
  • Concierge Services.
  • Roofing and Landscaping

    For circumstances, if the elevator shared by all occupants were to malfunction, the landlord is responsible for fixing the issue without delay.

    The provision pertaining to typical area maintenance (CAM) charges is mentioned in industrial property leases, where the specific terms around the legal obligations of each celebration (the lessor and the lessee) are set.

    Furthermore, the kind of lease signed between the 2 parties is essential to identifying each celebration's respective commitments, e.g. triple net (NNN).

    How to Calculate CAM Charges

    The CAM charges matter in realty, particularly for commercial residential or commercial properties, due to the fact that the charges impact the total expense of dedicating to a rental plan at an offered residential or commercial property.

    In a lot of leasing agreements, the renters pay a part of the total CAM on a professional rata basis per the worked out contract, i.e. in percentage with the amount of square footage rented.

    The computation of each occupant's common location maintenance (CAM) fee, expressed on an annual basis, can be determined by dividing the occupant's square video by the gross leasable area in the structure.

    - Step 1 → Divide the Tenant's Rentable Square Footage (RSF) by the Gross Leasable Area (GLA) of the Residential or commercial property.
  • Step 2 → Multiply the Pro-Rata Share (%) by the Estimated Annual CAM Charges of the Residential or commercial property.
  • Step 3 → Convert the Annual CAM Charge of a Tenant into a Regular Monthly Fee (Divide by Twelve Months)

    Common Area Maintenance Formula (CAM)

    The typical area maintenance (CAM) sustained by each occupant is computed by increasing their respective pro-rata share of expenses by the expected yearly CAM charge.

    Where:

    - Pro-Rata Share (%) = Tenant Rentable Square Footage (RTF) ÷ Gross Leasable Area (GLA).
  • Annual CAM Charge = Σ Monthly CAM Fees × 12 Months

    Since the renter CAM charge is an annualized metric, the quantity should be divided by twelve to convert into a monthly charge.

    Conversely, an alternative technique to calculate the CAM charges is on a per square foot (sq. ft.) basis, which is done by dividing the estimated annual CAM fees by the residential or commercial property's leasable square video footage.

    Since CAM charges are usually designated based on the quantity of area inhabited, the renters with more space rented will incur more CAM charges (and vice versa).

    Common area upkeep is most frequently calculated on an annualized basis, and then divided into month-to-month payments attributable to each renter on a per square foot basis.

    Usually at the start of each year, a residential or commercial property owner will predict the upcoming common location upkeep (CAM) costs for the whole residential or commercial property as part of the yearly budget plan, which impacts rates.

    Broadly put, CAM charges fall under 2 classifications:

    1. Controllable Charges → The residential or commercial property owner has direct influence over controllable charges (e.g. administrative costs, staff payroll).
  1. Uncontrollable Charges → On the other hand, unmanageable charges, stay outside the residential or commercial property owner's control and are unpredictable (e.g. snow storm, fire).

    However, CAM charge cost caps and floors can set restraints on just how much lease can be changed.

    FAQ: Is Capital Investment Included in CAM?

    For the most part, capital expenditures (Capex) are omitted from common location upkeep (CAM), depending on the context of the spend.

    Why? Capex related the residential or commercial property enhancements, such as constructing a more modern fitness center for tenants, are a kind of discretionary spending (and part of the landlord's expense of ownership).

    However, certain non-discretionary capital expenses can be classified as typical location maintenance, such as fixing a damaged A/C system, which affects all existing (and future) tenants.

    Common Area Maintenance Calculator (CAM)

    We'll now move on to a modeling exercise, which you can access by completing the kind listed below.

    Get the Excel Template!

    CAM Charges Calculation Example

    a residential or commercial property owner is approximating the common area upkeep (CAM) charges expected on their business office complex for the approaching year, 2024.

    The total annual CAM charges for the whole workplace building are forecasted to be $260k, while the gross leasable location (GLA) is 50k sq. ft.

    - Annual CAM Charge = $260,000.
  • Gross Leasable Area (GLA) = 50,000 sq. ft.

    After dividing the total yearly CAM charges by the gross leasable location (GLA), the CAM charge per square foot is $5.20, which represents the quantity that each industrial occupant need to contribute based on the quantity of square video footage rented annually.

    - CAM Charge per Square Footage = $260,000 ÷ 50,000 sq. ft. = $5.20

    The estimated CAM charge per square video footage - $5.20 sq. ft. - need to then be assigned in proportion with each renter's pro-rata share.

    The pro-rata share is figured out by dividing the private tenant's square video by the gross leasable area (GLA) of the office complex.

    Therefore, if among the industrial tenants leased a total of 6k sq. ft., the pro-rata share is 12%.
    bloglines.com
    - Pro-Rata Share (%) = 6,000 sq. ft. ÷ 50,000 sq.
    .reference.com
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