Pull up a hotel P&L and look at the Rooms department. You'll see revenue, payroll, direct expenses, and a department profit "” usually somewhere in the 60-70% margin range at a healthy select-service property. Looks great. Clean.
But that number doesn't include A&G. It doesn't include IT. It doesn't include Sales & Marketing, Property Operations & Maintenance, or Utilities. All of those costs live in their own sections of the P&L, below the operating department line. They're real expenses. They support the Rooms department. And depending on how the property approaches cost allocation, they may or may not be showing up in your departmental view.
This is how the USALI income statement is structured "” and it's worth understanding what you're actually looking at when you read a departmental P&L.
The two-layer structure
Under the Uniform System of Accounts for the Lodging Industry, hotel P&Ls are organized in two tiers.
The first tier is operating departments: Rooms, F&B, Spa, Parking, and any other revenue center. These departments report revenue and the direct costs to run them "” labor and expenses that clearly belong to that department. The profit here is called department operating profit.
The second tier is undistributed operating expenses: A&G, IT, Sales & Marketing, POM, and Utilities. These are support costs. The hotel needs them to run. They serve all departments. But they don't have revenue attached to them, so they live below the operating department line.
Sum up the operating department profits, subtract the undistributed expenses, and you get Gross Operating Profit "” or House Profit, depending on how your ownership group labels it. That's the real headline number. Not the Rooms department margin. Not F&B. The combined result after all operating costs are in.
Where allocation comes in
The USALI structure above is clean, and it's how most ownership bridges and monthly P&Ls get presented. But if you want to know whether your Rooms department is actually profitable "” fully loaded "” you need to push those undistributed costs down to the departments that caused them.
Some management companies do this. Some don't. When they do, the approach matters.
A&G gets allocated differently than IT. IT gets allocated differently than POM. The logic should follow the cost driver "” whatever actually causes that department's expenses to increase or decrease. The most defensible allocations use:
- Revenue share "” for costs that scale with activity. Sales & Marketing is the obvious one. If 75% of the hotel's revenue comes from Rooms, roughly 75% of the marketing spend that drove it should be in Rooms.
- Transaction volume "” for processing-heavy costs like accounting. A hotel with high F&B volume runs more invoices, more covers, more vendor payments. That workload is real and should be reflected.
- Headcount or labor hours "” for HR-type costs. Human resources expense scales with how many people you're managing, not how much revenue they generate.
- Square footage "” for costs tied to physical space. Utilities, POM. A restaurant kitchen uses a lot of electricity and mechanical equipment. A standard guestroom corridor does not.
None of these is perfect. The goal isn't perfection "” it's a reasonable allocation that holds up to scrutiny and tells a consistent story over time.
What it changes
Take a hotel where Rooms shows a 63% department operating margin. After allocating undistributed expenses "” let's say they total 20% of revenue "” you're at 43% fully loaded. That's a very different conversation.
More importantly, now you can compare that 43% against other properties in your portfolio on an apples-to-apples basis. Two hotels can both show 62% Rooms margins and have wildly different fully-loaded results if one has an inflated IT or A&G overhead structure and the other doesn't.
The comparison you can't make is between a property that allocates and one that doesn't. You'll always be mixing pre-allocation and post-allocation numbers, and the property with higher direct reporting will look worse than it should. This is a real problem in multi-property portfolio reporting if the methodology isn't standardized.
What goes wrong in practice
The most common issue isn't the math "” it's consistency. Allocation percentages get set up once and forgotten. The hotel adds a new outlet, changes its payroll structure, brings on a new F&B concept. The revenue mix shifts. The labor headcount shifts. But the allocation percentages stay wherever they were three years ago when someone built the original model.
Year one, the allocation is reasonable. Year three, the restaurant is twice the size it was and still getting the same 18% of A&G that it had when it was a small breakfast operation. Rooms is subsidizing F&B at a methodological level, not an operating one. Nobody catches it because the total P&L still ties and nobody revisited the allocation setup.
The second problem is using the same basis for every cost, regardless of what's driving it. Allocating IT by revenue share seems intuitive until you realize your Spa runs three separate systems and your Rooms division runs one PMS. Revenue share says Spa gets 6% of IT. What it's actually consuming might be significantly higher. A misaligned allocation base doesn't change the total "” it just creates cross-subsidies between departments that the financials can't see.
How to read a P&L knowing this
When you're reviewing property-level performance, the first question is what layer of the P&L you're actually looking at. Department operating margin is one measure. Fully-loaded department margin "” after undistributed allocation "” is a different and more complete measure. GOP or House Profit is what the ownership cares about.
Each of those numbers is valid for a different purpose. Department operating margin tells you how efficiently the Rooms team is running the floor. Fully-loaded margin tells you whether the business unit would stand on its own. GOP tells you what the property generated before debt service, management fees, and capital items.
The mistake is treating any one of them as the whole story. Department margin without allocation can make an individual department look like a star while the property loses money. GOP without department-level context hides which departments are driving the result and which ones are dragging it.
If you're in a portfolio role and you're benchmarking across hotels, make sure you know which number you're comparing. The answer to "why is that property's Rooms margin 8 points below the others" is sometimes operations "” and sometimes it's that the other properties aren't fully loading their departmental P&Ls.
Related: The USALI structure also uses allocation departments at the GL level "” holding departments like House Laundry and Guest Services that collect costs during the month and clear to zero at close. That's a different (and often confused) concept from undistributed expense allocation. The allocation departments post covers how that works.