CAM Charges and the Year-End Reconciliation: What to Negotiate Before the Bill Arrives

A CAM reconciliation is the year-end settling of shared building costs: the landlord compares what it actually spent with what tenants were billed on estimates, then credits or charges the difference. In a Manhattan office lease that process runs on operating expense and tax escalations above a base year. A tenant protects itself before signing, not after. At the letter of intent, settle four things: the base year, caps on controllable costs and on the management fee, written exclusions such as capital improvements, and the right to audit the statement. The class of building changes how much is at stake.

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Updated 2026-10-03 · Nomad Group

The reconciliation: what arrives, and when

Through the year you pay your share monthly, on the landlord's budget estimate. After the books close, a statement shows what the building really spent, measured against the base year. An overpayment returns as a credit, a shortfall becomes a bill, and the following year's estimates are reset from the actual numbers.

Operating expenses works one such statement through on a real floor.

Four terms to settle at the letter of intent

Each of these costs the landlord nothing on signing day, which is why they can be won then and almost never later.

  • The base year. Ask for the first full calendar year of the term, calculated as though the building were full and fully serviced.
  • Caps. A yearly limit on growth in controllable costs, the ones set by the landlord's own contracts for cleaning and repairs, and a fixed or capped management fee. Taxes, insurance and utilities usually float.
  • Exclusions, in writing. Capital improvements, unless they are amortized and reduce costs. The landlord's financing costs and ground rent. Commissions on other tenants' leases.
  • Audit rights. A realistic period in which to examine the statement, and a clause that moves the audit's cost to the landlord if a material overcharge is found.

Have your attorney confirm the wording of each clause in the lease itself. How to negotiate an office lease shows where these sit among the other terms.

How building class changes the exposure

In a Class A tower, expect the full pass-through: an operating expense escalation and a tax escalation, each against a base year, written on a long landlord form. A tower tends to run more shared services, so there is more that can grow, and the definitions deserve the closest reading there.

In an older Class B or C loft building, the owner often leaves the accounting out and charges a fixed percentage increase each year. That can be budgeted to the dollar and brings no year-end surprise, which frequently makes it the cleaner deal for a company taking a single floor. Class A, B and C explains what else the letters predict about a lease.

The floors below are in Midtown, Manhattan's traditional corporate core, so ask how each building bills these costs before you tour it.

Where tenants lose money on these charges

  • A compromised base year. A term that starts midyear can leave a base of only a few months, and a year in which the building ran light makes the return to normal look like an increase.
  • Capital work billed as maintenance. A new lobby charged to tenants as repairs makes them pay for an upgrade the owner keeps.
  • An expired audit window. The right to dispute a statement often lapses, sometimes within a year of its arrival.

Who negotiates the reconciliation terms for the tenant

The broker and the attorney, at different stages. The broker raises the base year, the caps, the exclusions and the audit right in the letter of intent, while the terms are still cheap to move. The attorney then holds the lease draft to it and checks the expense definition word by word. On your search, we work for you, and we raise these four points on nearly every deal.

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The full guide

This page is the short answer. The long one, with the numbers worked through, is here:

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How long does a tenant have to dispute a reconciliation statement?

As long as the lease says, and it can be short: audit rights sometimes expire within a year of the statement arriving. Review each statement when it lands. The exact window is a drafting point, so have your attorney confirm it before you sign.

Can operating cost increases be capped in a New York office lease?

The controllable ones often can: cleaning, repairs and the other contracts a landlord sets itself. Taxes, insurance and utilities usually stay uncapped. Ask for the cap before signing.

Is a fixed annual increase safer than an expense pass-through?

It is easier to budget. A fixed percentage can be projected for the whole term, where a pass-through depends on a cost pool the landlord controls. Whether it is cheaper depends on the rate, so compare both over the full term. Escalations runs the arithmetic.

Does a Class A building always produce a larger year-end bill?

No. The size of the bill depends on the base year, the expense definition and the caps more than on the letter.

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