Common Area Maintenance Clause (CAM): 5 Hidden Costs

You thought you understood your lease—until questionable charges showed up. From landscaping to “management fees,” you’re suddenly paying for costs that weren’t clearly explained. Hidden fees in your Common Area Maintenance clause (CAM) can quietly eat into your budget. These aren’t just small line items. They add up.

In this article, we’ll break down five hidden costs commonly found in Common Area Maintenance clauses and show you how to spot them before they impact your bottom line.

CAM Charges in a Nutshell

Common area maintenance clause charges are the shared costs tenants pay to maintain the common areas of a building—spaces like lobbies, hallways, elevators, parking lots, and landscaping. These areas benefit everyone in the property, so it’s standard for landlords to divide the upkeep expenses among all tenants.

There are two basic ways these charges are handled.

1. Fixed CAM charges stay the same each month.
2. Variable CAM can change based on actual costs.

Most leases use variable CAM, where the landlord passes through their expenses, and you pay your portion.

What’s Included in CAM Charges?

Understanding what’s included in these charges is essential. Some leases list exactly what’s covered, while others are more general. Common items often include:

• Utilities for common areas (electricity, water, heating)
• Janitorial services for shared spaces
• Repairs to exterior or structural elements
• Security services
• ​​Landscaping and snow removal
• Property management fees

Knowing the details up front helps you plan your budget and avoid surprises.

5 Hidden Costs in a Common Area Maintenance Clause

1. Administrative and Management Fees

It’s common for landlords to add administrative or management fees to your Common Area Maintenance charges. These fees usually cover the cost of managing the property—things like overseeing repairs, hiring vendors, and handling day-to-day operations. Often, this fee is calculated as a percentage, typically between 10% and 15% (What are CAM charges in real estate? Definition, types, and how to calculate them), on top of the actual expenses outlined in your common area maintenance clause.

Many tenants assume that CAM charges only reflect direct costs. But overhead, like admin fees, can add up quickly.

Tip: Always ask how these fees are calculated. Is it a flat rate or a percentage? Some landlords are open to negotiating a cap or adjusting the percentage, especially if your lease covers a large space.

2. Capital Improvements vs. Repairs

There’s a difference between repairs and capital improvements, and it’s important to know which one you’re being charged for. Repairs are routine—fixing a broken door or patching up a roof. Capital improvements are bigger projects, like replacing the roof or installing a new HVAC system.

Some leases allow landlords to pass these large expenses through the CAM clause. While true capital improvements should be amortized over time, you may still see part of the cost reflected in your charges.

Tip: Clarify what your lease includes. Are capital expenditures part of your CAM charges? If so, under what conditions?

3. Reserve Funds for Future Repairs

Some leases require tenants to contribute to a reserve fund. This fund sets aside money for future repairs or maintenance, helping landlords avoid large, unexpected expenses down the road. While the idea is practical, tenants often don’t expect to pay for work that hasn’t happened yet.

Even though you’re preparing for the future, the added expense can strain your budget if you’re not prepared for it.

Tip: Ask for transparency. How is the reserve calculated? How has it been used in the past?

4. Seasonal or Unused Services

CAM charges sometimes include seasonal services, like snow removal, even if they’re rarely needed. If you’re in a region with mild winters, you might still be paying for snow plowing. The same goes for landscaping or other upkeep that varies in frequency.

Tip: Request historical CAM statements. These records show what’s typically charged and how often. Reviewing past data can help you gauge whether these costs are in line with actual usage or if there’s room to discuss adjustments.

5. Pro-rata Share of Vacant Units

One of the more surprising charges can come from how costs are divided among tenants. Some landlords spread CAM costs from vacant spaces across the occupied units. If your building isn’t fully leased, you could end up covering a larger portion of the total expenses than you expected.

Tip: Negotiate this point if possible. Ask whether costs tied to vacant spaces can be excluded from your portion. If not, see if a cap can be placed on how much of the vacant share you’re responsible for.

How to Protect Yourself from CAM Surprises

You don’t have to be caught off guard by unexpected CAM charges. A few key steps can help you stay in control and avoid surprises down the line.

Due Diligence

Before signing, request a detailed breakdown of what the CAM charges include. The more specific the list, the easier it is to budget and plan.

Audit Rights

Check if your lease includes audit rights. This allows you to review the landlord’s CAM calculations and confirm that charges are fair. If the lease doesn’t include this, it’s worth asking for.

Determine What’s Negotiable

Some CAM terms may be negotiable. You don’t have to accept everything as written. Bring up concerns and see what adjustments can be made.

Look at Historical CAM Statements

Past costs can give you a sense of what’s typical for the property and alert you to any patterns in rising charges.

• Request a breakdown of CAM items
• Ask for the right to audit CAM costs
• Review historical CAM data

Most landlords aim to cover shared expenses fairly, not to overcharge. Still, it’s in your best interest to ask questions.

Talk to a Commercial Real Estate Broker

While CAM charges may not be up for negotiation, an experienced commercial broker will review your lease and determine if charges are fair. If they’re not, they can negotiate on your behalf. Having an expert on your side makes a real difference.

Why Businesses Trust United Development Realty

At United Development Realty, we know that one missed detail in a lease can lead to unexpected costs—and in some cases, threaten your business. That’s why our approach is rooted in careful attention, based on decades of experience in commercial real estate.

Since 1987, we’ve helped business owners—including medical professionals and non-profits—find the right space and secure terms that support long-term success.

Our team takes the time to understand your goals and make sure no part of your lease is left to chance. When you work with United Development Realty, you gain a partner who’s committed to your success—and who knows what can happen if you sign without a thorough review.

Reach Out to United Development Realty Today

Ready for a professional lease review or negotiation? Have more questions about your common area maintenance clause in Maryland? Contact us today or call us at (240) 221-1976.