Every commercial building eventually needs a new roof, a new HVAC system, or a major elevator overhaul. These are capital expenses, big-ticket items with long useful lives, and the question of who pays for them is one of the most consequential negotiations in any commercial lease.
Many leases pass some or all of these costs through to tenants. A capital expense pass-through lets the landlord recover the cost of major improvements by adding it to the operating expenses you share. Done fairly, it spreads the cost over the improvement’s useful life. Done poorly, it sticks you with a massive bill for an asset that outlasts your tenancy.
What Counts as a Capital Expense
A capital expense is a cost that improves the building or extends the life of a building system, rather than simply maintaining it. Replacing a roof, installing a new chiller, repaving the parking lot, or modernizing elevators are classic capital expenses. They cost tens or hundreds of thousands of dollars and benefit the building for many years.
The line between capital expense and routine maintenance matters enormously. Patching a roof leak is maintenance and belongs in ordinary operating expenses. Replacing the entire roof is capital. Landlords sometimes blur this line, classifying borderline work as capital to trigger favorable pass-through terms, or as maintenance to avoid amortization limits. Your lease should define the distinction, ideally by referencing generally accepted accounting principles.
Some leases exclude capital expenses from operating expenses entirely, which is the most tenant-favorable position. More commonly, leases allow capital expenses to be passed through but only in amortized form, meaning you pay a yearly slice of the cost spread over the improvement’s useful life rather than the whole amount at once.
How Capital Expense Pass-Throughs Work
When a lease allows capital pass-throughs, the landlord does not bill you for the full cost in the year the work is done. Instead, the cost is amortized over the useful life of the improvement, and your pro-rata share of each year’s amortization lands in your operating expense bill. A 300,000 dollar roof with a 20 year useful life adds 15,000 dollars per year to the building’s expense pool, plus interest in most leases.
Your share of each annual installment is based on your pro-rata percentage of the building, the same share you pay for all operating expenses. If you occupy 10 percent of the building, you pay 10 percent of each year’s amortized cost. The charge continues for as long as the amortization runs, which may extend beyond your lease term if you do not negotiate a cutoff.
The Amortization Period: Why It Matters
The amortization period determines how much you pay each year and for how long. A shorter period means higher annual payments but a faster end. A longer period means lower annual payments but more total interest. The period should reflect the improvement’s actual useful life, not the landlord’s preference.
Landlords sometimes propose amortization over the remaining lease term rather than the useful life. This concentrates the cost into your tenancy and can double or triple your annual charge. Push for amortization over the full useful life of the improvement, consistent with standard accounting practice. A roof that lasts 20 years should be amortized over 20 years, even if your lease has only 7 years remaining.
Capital Expenses That Should Never Be Passed Through
Certain capital costs should stay with the landlord no matter what the lease says about pass-throughs generally. Costs to comply with laws that existed before your lease, structural repairs to the foundation and load-bearing walls, and expenses to remediate pre-existing environmental contamination are the landlord’s responsibility as the property owner.
Initial construction costs are another exclusion. When you move into a new building, the landlord’s cost to build it is not your operating expense. The same applies to costs the landlord incurs to lease vacant space, such as brokerage commissions and tenant improvement allowances for other tenants. Our guide to operating expense exclusions tenants should know covers these and other items to strike from your CAM statement.
Negotiating Fair Pass-Through Terms
Start by limiting which capital expenses can be passed through at all. Many tenants negotiate a clause allowing pass-throughs only for capital expenses that reduce operating costs, such as energy-efficient lighting or a more efficient boiler. Under this approach, the landlord recovers the cost only to the extent it actually saves money, which aligns both sides’ interests.
If the lease allows broader pass-throughs, cap the annual amount. A cap expressed in dollars per square foot, or as a percentage of base rent, prevents a single project from wrecking your budget. For example, you might agree that capital pass-throughs cannot exceed 1 dollar per square foot per year, with any excess carried forward or absorbed by the landlord.
Negotiate the interest rate on amortized amounts. Landlord forms often specify 10 or 12 percent, well above market borrowing costs. Propose prime rate, or a fixed rate in the 5 to 7 percent range, and watch the total cost fall. Over a 15 year amortization, the difference between 12 percent and 6 percent interest is enormous.
Finally, review the full operating expense structure before you sign, using the same careful process described in our guide to reading your lease before signing. Capital pass-through language hides in dense paragraphs, and the time to fix it is before you commit.
How Pass-Throughs Interact With Your Base Year
In a base year lease, the treatment of capital expenses in the base year itself deserves attention. If the landlord completed a major capital project during your base year and amortized it, the base year baseline includes that amortization. Future years without similar projects will show lower expenses, which actually helps you. But if the project happened just before the base year and the amortization is still running, you are paying for it from day one.
Some tenants negotiate to exclude capital amortization from the base year entirely. This lowers the baseline, which sounds bad, but it also means every future capital project shows up as a clean increase you can evaluate on its own merits. There is no single right answer here. The key is understanding which approach your lease takes and modeling the cost over your full term.
Coordination with property tax pass-throughs matters too. Major capital improvements can trigger property tax reassessments, increasing the tax bill you share. If your lease separately passes through property tax increases, a single renovation could hit you twice: once through capital amortization and again through higher taxes. Negotiate to exclude tax increases caused by landlord-initiated capital improvements from your tax pass-through.
Auditing Capital Pass-Throughs
Capital projects are among the most frequently disputed items in operating expense audits, and for good reason. The amounts are large, the accounting is complex, and landlords have incentives to classify aggressively. Your annual audit should verify that each capital charge was properly classified, correctly amortized, and charged at the interest rate your lease allows.
Check the useful life assumptions against reality. A landlord who amortizes a parking lot resurfacing over 5 years instead of 15 is front-loading cost onto current tenants. Compare the landlord’s amortization schedules against standard accounting lives for each asset type, and challenge anything that looks compressed.
Frequently Asked Questions
Can a landlord pass through the full cost of a new roof in one year?
Only if your lease allows it, which would be highly unusual and tenant-unfriendly. Standard leases amortize capital costs over the improvement’s useful life. If your lease permits lump-sum pass-throughs, negotiate amortization before you sign.
Do I keep paying capital charges after my lease ends?
You should not, but only if your lease says so. Without an explicit cutoff, a landlord may argue that you owe the amortization for the full useful life. Insist on language ending your obligation at lease expiration.
What interest rate is fair on amortized capital costs?
Something close to the landlord’s actual borrowing cost is fair, often prime rate or a fixed rate between 5 and 8 percent. Rates of 10 percent or more are negotiable and worth challenging.
Can I refuse to pay for a capital project I did not approve?
Only if your lease gives you approval rights. Most leases do not require tenant consent for capital work, which is why negotiating notice and consent thresholds before signing is so important.
Capital expense pass-throughs are a normal part of commercial leasing, but the details determine whether they are fair. Limit which projects qualify, insist on amortization over true useful life, cap the annual amount, negotiate the interest rate, and end your obligation when your tenancy ends. Tenants who address these five points before signing rarely face capital expense surprises. Tenants who skip them often do.
