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Glossary

T-12: The Trailing Twelve-Month Operating Statement

A T-12 is a month-by-month report of a property’s actual income and expenses for the most recent twelve months. With the rent roll, it is the first document a serious buyer or lender asks for, because it shows how the building really performs rather than how it could perform.

By Skyline Capital Investments · · 3 min read

What a T-12 includes

A trailing twelve-month statement lists every month of the last year in its own column, with a total column at the end. Income lines usually include scheduled rent, vacancy and concessions, bad debt, and other income such as laundry, parking, pet and utility reimbursements. Expense lines include taxes, insurance, each utility, repairs and maintenance, turnover, payroll, management, administrative and contract services.

Because it is trailing, it rolls forward each month: a T-12 prepared in October covers October of last year through September of this year. That makes it more current than a calendar-year statement or a tax return.

How buyers and lenders read it

Underwriters use the T-12 to build their own view of net operating income. They compare the monthly rent collected with the current rent roll to see whether occupancy and rents have been stable, rising or falling. They look at the trend in the last three months, sometimes annualized as a T-3, to spot recent changes. They separate one-time items, such as a large insurance claim or a roof repair, from recurring expenses.

Lenders tie their loan sizing to it, often using the T-12 or a recent period annualized for income, and the T-12 or their own budgets for expenses, whichever is more conservative.

Red flags buyers look for

Experienced buyers scan a T-12 for patterns that change the price:

  • Collected rent that is well below the rent roll, suggesting delinquency or concessions.
  • Months with missing expenses, such as no utility bills or a skipped insurance payment.
  • Capital spending mixed into repairs, or repairs moved into capital to inflate NOI.
  • No management fee on a self-managed property.
  • Large swings in income or expenses without an explanation.
  • Totals that do not reconcile with bank statements or tax returns.

Preparing a clean T-12 before you sell

A clear, consistent T-12 shortens diligence and reduces retrades. Use the same chart of accounts every month, keep capital expenses on a separate line or schedule, note one-time items, and make sure the income ties to bank deposits. If your books are incomplete, reconstructing the last twelve months from bank statements and bills is still far better than presenting a pro forma.

Sellers who send a T-12 and rent roll with their first inquiry usually get faster, firmer feedback from buyers, because the conversation starts from facts.

Common Questions

What is the difference between a T-12 and a pro forma?

A T-12 shows actual historical results. A pro forma projects future income and expenses based on assumptions. Buyers price mostly from actuals and treat pro formas as a seller’s opinion.

What is a T-3?

A T-3 is the most recent three months of income, often multiplied by four to annualize it. Buyers use it to see whether recent performance differs from the full twelve months.

Does a T-12 include debt service?

Operating statements often show debt service below NOI, but buyers and lenders ignore the seller’s loan when calculating NOI.

Can I sell my building without a T-12?

Yes, but expect a lower price or more contingencies. Buyers who cannot verify income have to assume the worst.

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