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Cost Segregation Guides

Updated August 28, 2026 · Basis Property Group

Every cost segregation question we have been asked, answered one page at a time. Start with a topic overview, or jump straight to your exact question.

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Airbnb & Short-Term Rentals

Vacation Rental Markets

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Residential Rentals

By Property Type

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IRS Documents, Explained

Guides & Tools
IRS ATG Aligned  ·  Methodology per IRS Pub 946 & Treas. Reg. §1.168  ·  Engineering-based component studies  ·  Form 3115 / 481(a) look-back  ·  Works directly with your CPA
Basis works with commercial and short-term rental owners in all 50 states, with guides covering 44 vacation rental markets. Estimates run off the county's own assessment records, including a proprietary data engine covering more than 14,000 Pennsylvania commercial and industrial parcels.