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Tax Tips When Converting a Long-Term Rental to Short-Term

What every owner needs to know

Over the years, many clients had single-family homes (and sometimes duplexes or triplexes) that were traditionally rented long-term—typically 6 months to a year.

In many cases, these properties incurred tax losses because expenses exceeded rental income.

With the rise of platforms like Airbnb, many property owners have shifted to short-term rentals (STRs). In many situations, this change results in significantly higher rental income.

However, clients often overlook the tax consequences of this transition.

1. Depreciation: The First Major Change

When a property is used as a traditional long-term rental, it is generally classified as:

  • Residential rental property
  • Depreciated over 27.5 years

When converting to a short-term rental, that classification may change, depending on how the property is used.

When Does It Become a 39-Year Property?

The IRS looks at whether the property use is for transient occupancy—in other words, more like a hotel than a traditional rental.

Key considerations include:

  • If the average guest stay is less than 30 days, the use may be considered “transient.”
  • If a substantial portion of use is transient, the property may be classified as:
    • Nonresidential real property
    • Depreciated over 39 years

👉 Important: Not all Airbnbs automatically fall into the 39-year category. The classification depends on the specific facts and usage patterns.

2. Changing the Depreciation Method—No IRS Approval Required

A common question I receive is:

“Do I need IRS approval to change the depreciation schedule?”

The answer is no.

This is considered a change in use, not a change in accounting method.

  • No Form 3115 is required
  • No advance IRS permission is needed
  • You simply begin using the new depreciation life going forward

This treatment is supported by Treasury Regulation § 1.168(i)-4(d).

However:

👉 If the wrong depreciation method was used in prior years, correcting that does require filing Form 3115.

3. The 7-Day Rule: A Potential Tax Advantage

One of the most significant (and often misunderstood) aspects of short-term rentals is the 7-day average-stay rule.

If your average guest stay is 7 days or less:

  • Do not treat the activity as a rental activity
  • Instead, treat it like a business activity

Why This Matters

This can allow losses to:

  • Offset W-2 income
  • Offset other active income

But only if you meet one key requirement…

4. Material Participation Is Critical

To take advantage of these rules, you must materially participate in the activity.

A common standard:

  • 100+ hours of participation, and
  • More involvement than any other individual

If you do not meet this test:

5. The $25,000 Rental Loss Rule—And When It Disappears

For traditional long-term rentals:

  • Up to $25,000 of losses can offset other income
  • This benefit phases out between:
    • $100,000 and $150,000 of income

However, when a property becomes a short-term rental (especially under the 7-day rule):

👉 This special allowance may no longer apply

Instead, the activity falls under a completely different set of rules—often more favorable if structured correctly.

6. Schedule E vs. Schedule C: Which form to use

How you report your short-term rental depends on the services you provide.

Schedule E (Most Common)

Used when you act as a landlord:

  • Cleaning between guests
  • Maintenance
  • Utilities

✔ Not subject to self-employment tax

Schedule C (If You Provide Substantial Services)

Required if you provide services such as:

  • Daily cleaning
  • Meals (bed & breakfast style)
  • Concierge services

❗ Income becomes subject to:

  • Self-employment tax (15.3%)

7. Strategies to Accelerate Tax Savings

Even if your property shifts to a 39-year depreciation life, there are still powerful planning strategies available.

Cost Segregation

Allows you to break the property into components:

  • 5-year property (appliances, furniture)
  • 7-year property
  • 15-year property (land improvements)

👉 This can significantly accelerate depreciation deductions.

Bonus Depreciation

Depending on the tax year, certain assets may qualify for:

  • Immediate write-off (up to 100%)

8. Personal Use Still Matters

To fully deduct rental losses:

  • Personal use must not exceed:
    • 14 days, or
    • 10% of total rental days

Exceeding this threshold can limit deductions.

9. Documentation Is Essential

If you convert to a short-term rental, you should maintain:

  • Records of average guest stay
  • Rental vs. personal use days
  • Nature of services provided

👉 These records are critical in the event of an IRS audit.

Final Thoughts

Converting a long-term rental into a short-term rental can:

✔ Increase cash flow
✔ Create significant tax planning opportunities

But it also introduces:

  • More complex tax rules
  • Greater exposure if handled incorrectly

If you are considering making this change—or have already done so—it is important to ensure the tax treatment is handled correctly from the outset.

Need Guidance?

If your situation involves any of the issues discussed above, it is advisable to work with a qualified tax professional. Proper planning can help you maximize the benefits while avoiding costly mistakes, including tax penalties and potential audit exposure.