The STR Loophole Package: Cost Segregation + Tax Strategy

The "Loophole" Defined

Treasury Regulation § 1.469-1T(e)(3)(ii)(A) creates an exception to the passive activity loss rules: if the average period of customer use is 7 days or less, the activity is not treated as a "rental activity" for purposes of IRC Section 469.

This means short-term rental income and losses are classified as non-rental. If the taxpayer materially participates in the activity, the resulting losses are non-passive and can offset W-2 wages, business income, and other active income sources.

This is not a gray area. It is a defined regulatory exception that has been affirmed in Tax Court decisions. The key is proper documentation and execution.

Link to our detailed STR Loophole educational guide for the full technical breakdown.

Material Participation Tests

To unlock non-passive treatment, the taxpayer must satisfy at least one of the seven material participation tests under Temp. Reg. § 1.469-5T. For STR owners, the most commonly applicable tests are:

What qualifies as participation hours:

• Managing guest communications and bookings
• Coordinating cleaning and turnover
• Handling maintenance and repairs
• Furnishing and restocking the property
• Marketing and listing optimization
• Conducting check-ins and guest services

What does NOT qualify:

• Investor-level review of financial statements (unless you are directly managing)
• Time spent on activities unrelated to the specific property

Active vs. Passive Income Offset

The entire purpose of this package is to generate a paper loss through accelerated depreciation (via cost segregation) and ensure that loss is classified as non-passive so it can offset your highest-taxed income.

Without the STR exception and material participation, cost segregation losses on rental property are passive — they can only offset other passive income. For high-income W-2 earners, this limitation significantly reduces the strategy's value.

This package ensures the loss is usable in the current tax year against your active income.

The cost segregation component is a full engineering-based study — the same quality report we deliver as a standalone service. Check your bonus depreciation rate to understand how much you can deduct in Year 1.

REPS Assessment (Real Estate Professional Status)

Not all properties in your portfolio will qualify for the STR loophole. Long-term rentals with average stays exceeding 7 days are rental activities by default.

For these properties, losses remain passive unless the taxpayer qualifies as a Real Estate Professional under IRC § 469(c)(7). REPS requirements include:

• 750-Hour Test: More than 750 hours of services performed in real property trades or businesses during the tax year.
• 50% Test: More than 50% of the taxpayer's total personal services performed during the year are in real property trades or businesses.

We assess your entire portfolio — STRs and non-STRs — to determine the optimal tax treatment for each property. For investors who qualify, REPS can unlock non-passive treatment for long-term rental losses as well.

Time Log Coaching

The IRS can and does challenge material participation claims during audit. The taxpayer bears the burden of proof.

We provide guidance on maintaining a contemporaneous time log — a daily or weekly record of activities performed, hours spent, and a brief description of each task. This log is your primary defense during an audit and should be maintained throughout the tax year, not reconstructed after the fact.

Strategic Tax Planning

This package integrates the cost segregation study with broader tax planning:

• Verification that your average stay is 7 days or less (with documentation)
• Analysis of material participation hours against all applicable tests
• REPS evaluation for non-STR properties in your portfolio
• Coordination with your CPA to ensure proper filing (Schedule E vs. Schedule C, Form 4562, etc.)
• Year-end planning to ensure losses are maximized and properly classified

Link to calculator to estimate your potential savings. Link to contact for a consultation.

If you purchased your property in a prior year and have been using straight-line depreciation, we can combine this package with Form 3115 preparation to capture all missed deductions retroactively.