Material Participation- Pre-Opening

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

Here is a classic scenario. You close on October 1. You spend the entire month of October painting walls, assembling IKEA furniture until your fingers bleed, and staging the perfect living room. After long debates with your spouse over the rug, you finally list it for rent on November 1.

Can you count the 100 hours you spent sweating in October toward material participation?

The answer: Generally, no.

And the hours arguing over the rug? Still No.

The Trade or Business Myth

You might hear from your bartender, your brother-in-law, or a highly confident person on the internet that because short-term rentals are technically treated as a trade or business rather than a rental activity, the business magically starts the day you buy the property. They might even use the used copier business analogy we discussed earlier, arguing that the moment you buy the asset, you are in business and the clock starts.

Proceed with extreme caution.

The Richmond Pre-Opening Doctrine

The courts have long held that a business does not begin until it functions as a going concern. For a rental property, that means the asset must be ready and available for customers.

In Richmond Television Corp. v. United States, 345 F.2d 901, the court established what is widely known as the “pre-opening doctrine.” The ruling states:

The court explained that a taxpayer has not “engaged in carrying on any trade or business” within the intent of section 162(a) until such time as the business has begun to function as a going concern and performed those activities for which it was organized.

Courts often describe this as the moment the business becomes a going concern, meaning the activity is capable of serving customers and generating revenue. What does this mean for your timesheet in plain English?

• October (The Gap Month). The property was not performing the activity for which it was organized (hosting guests). Therefore, the business had not legally started. The hours you spent painting and assembling beds are classified as “pre-opening” or “start-up” hours. They generally do not count for material participation.
•  November 1 (Placed in Service). The property is listed, ready, and available for rent. The business is now a going concern. Your material participation clock officially starts.

Yes, we feel the “yeah, but” from over here. Give us a minute.

The Material Participation Pre-Opening Takeaway

Your participation clock starts when the rental property is placed in service. Period. Full stop.

Do not rely on pre-opening hours to save your tax return or help you hit your minimum hour thresholds. Get the property listed and available for rent as quickly as humanly possible, and then worry about sourcing the perfect throw pillows.

Ok, here is your “yeah, but.”

Reconciling Richmond With The Anticipation Rule

“Wait a minute,” you might be saying. “Didn’t you just tell me in the STR Acquisition Wrinkle section that I could count my operational setup time because of the ‘anticipation of a trade or business’ rule?”

Yes, we did. And this is where the tax code gets incredibly bifurcated. Confusing. Stupid. Conflicted. D, all the above.

The hard line of the Richmond doctrine (where zero hours count before the property is placed in service) applies flawlessly to traditional long-term rentals. Why? Because traditional rentals are legally classified as “rental activities.” They do not get the benefit of the Treasury Regulations Section 1.469-4 “anticipation” rule because that rule specifically applies to trade or business activities, not rental activities.

Short-term rentals (STRs), however, may be treated as trade or business activities under the passive activity rules. Therefore, they get to use the “anticipation” rule. For an STR, the logic effectively becomes, “Your business hasn’t officially opened under Section 162, but for the sake of tracking your material participation hours, we will let you count the time you spend anticipating the opening.”

But do not let this give you a false sense of security. Remember the Chicken or the Egg problem we discussed earlier.

If you try to use the STR anticipation rule to count your October furniture-assembly hours, you must get that property placed in service and host enough guests by December 31st to prove your average stay is 7 days or less.

If you fail to get guests in Year 1, your property defaults to a traditional rental activity. The moment it defaults to a traditional rental, the “anticipation” loophole slams shut, the Richmond doctrine drops like a hammer, and every single hour you spent working on the property including the rug argument before November 1st gets wiped off your timesheet.

The ultimate takeaway remains the same- whether it is a long-term rental or an STR, racing to get the property placed in service is the only way to bulletproof your tax return.