Start-Up Expenses Spread Across Two Years

By Jason Watson, CPA
Posted Saturday, March 21, 2026

We just beat the IRC Section 195 start-up expense rules to death in the previous section. As a quick refresher, these are the investigatory and pre-opening costs you incur before your business officially begins (education, market research, consulting fees), and you eventually get to deduct them. But there is a massive practical wrinkle we need to iron out.

Tax returns operate on a strict 12-month calendar, but real estate deals rarely respect December 31st. What happens when your spending doesn’t neatly match your closing dates? What happens to the cash you spend in one year if the rental property doesn’t officially launch until the next?

The tax treatment in a cross-year scenario depends entirely on when, or if, that rental activity actually begins.

The December Spend, April Close

Suppose you spend $5,000 as start-up expenses in December researching potential rental investments. You go under contract quickly but do not close and place the property in service until April of the following year. What happens on your earlier tax return? The tax year that you shot the money cannon on investigation and exploration?

Absolutely nothing. Because the active rental activity has not yet begun, those December expenses are held in suspense. You just park them and wait. There is no Schedule E to put them on yet, and Schedule C is out of the question, too. Once the property is placed in service in April (ready and available for rent, with related efforts to rent), you aggregate those prior-year costs with any new pre-opening costs and run them through the start-up expense meat grinder on your current-year tax return.

What Happens If Deal A Falls Apart But Deal B Closes?

A common misconception is that start-up costs must be tied to a specific property. They do not. IRC Section 195 applies to the process of starting a business, not the purchase of a particular asset. Not distinguishing start-up expenses and acquisition costs is a common mistake.

Suppose you spend money researching, inspecting, and evaluating Deal A. After negotiations, the transaction falls apart. A few months later, you purchase Deal B instead. Those earlier costs do not disappear. As long as the expenses were incurred while investigating the same underlying business activity which for you is owning and operating rental real estate they qualify as start-up costs once Deal B is placed in service. The costs attach to the business you are launching, not the specific property.

What If You Never Buy a Rental?

Sometimes the search simply fizzles out. The market changes, the numbers don’t work, or life gets in the way. If no rental activity ever begins, those investigatory expenses are generally non-deductible. Because you never actually entered into a profit-seeking activity, you cannot claim an abandonment loss. The expenses just disappear into the ether.

The December Furniture Trap (A Quick Warning)

Start-up expenses should not be confused with tangible property purchases, like furniture or appliances. But cross-year timing matters here, too. We dug deep into this in a previous section, so the following is just a truncated teaser.

Let’s say you spend December buying a $2,000 couch, a $1,500 dining table, six chairs at $350 each, and a whole slew of furnishings totaling $40,000. You finally place the house into service as a rental on January 1. Normally, you would use the de minimis safe harbor to immediately expense those items since they are individually under $2,500. Yay!

However, as we detail in our furnishings and supplies section on page 75, tangible assets are governed by placed-in-service rules, not start-up rules. Because the business wasn’t legally active in December when you bought the furniture, you lose the ability to use the safe harbor operating expense deduction. Instead, you are forced to capitalize that furniture, book it as an asset with a January 1 placed-in-service date, and take bonus depreciation or Section 179 expensing accordingly.

Sidebar: As the risk of repeating and since readers jump into our content at different places, we must tease this too. Bring up a December furniture purchase for a January rental launch at a tax conference, and you will start an immediate fight over whether the de minimis safe harbor legally survives the calendar flip. One side argues the deduction completely collapses into a capitalized asset because the business wasn’t active in December, while the other insists the expense simply waits in tax purgatory until opening day.

In our continued opinion, the key principle is simple: nothing happens for tax purposes until the rental activity actually exists. See our furnishings and supplies section.