Table of Contents

24 chapters and 3 appendices covering everything you need to know about cost segregation

Chapter 1

What Is Depreciation?

Depreciation allows property owners to deduct the cost of their investment over time. This chapter covers the basics of how the IRS views property wear and tear, the difference between land and improvements, and why depreciation is the foundation of real estate tax strategy.

5 min read
Chapter 2

Standard Depreciation Schedules

The IRS assigns 27.5 years for residential rental property and 39 years for nonresidential property. Learn how these timelines work, what qualifies for each category, and why straight-line depreciation leaves significant tax savings on the table.

6 min read
Chapter 3

Introduction to Cost Segregation

Cost segregation is an engineering-based tax strategy that reclassifies building components into shorter depreciation categories. This chapter explains the concept, its history, and why the IRS developed specific guidelines for these studies.

7 min read
Chapter 4

The Engineering Study Process

A qualified cost segregation study involves a detailed engineering analysis of every building component. Learn what engineers look for, how they categorize assets, and what documentation a proper study includes.

8 min read
Chapter 5

5-Year, 7-Year, and 15-Year Property Classes

Not all building components depreciate at the same rate. Discover which items qualify for 5-year, 7-year, and 15-year MACRS recovery periods and how reclassifying them generates substantial upfront deductions.

7 min read
Chapter 6

Bonus Depreciation Explained

Bonus depreciation allows investors to deduct a large percentage of reclassified assets in the first year. This chapter covers the current 100% bonus depreciation rules under the OBBBA, phase-down schedules, and how bonus depreciation multiplies the impact of cost segregation.

8 min read
Chapter 7

Section 179 and Cost Segregation

Section 179 provides another path to accelerated deductions. Learn how it differs from bonus depreciation, when to use each strategy, and how they interact with cost segregation studies.

6 min read
Chapter 8

Short-Term Rental Strategies

Short-term rentals classified under IRC Sec. 168(e)(2)(B) use the 39-year nonresidential recovery period. This chapter covers the unique tax advantages for STR owners, the 7-day rule, material participation, and how cost segregation can generate losses that offset W-2 income.

10 min read
Chapter 9

Long-Term Rental Strategies

Long-term rentals follow the standard 27.5-year residential schedule. Learn how cost segregation applies to buy-and-hold investors, passive activity rules under IRC Sec. 469, and strategies for maximizing deductions while managing passive loss limitations.

9 min read
Chapter 10

Commercial Property Strategies

Office buildings, retail centers, and industrial properties each have unique cost segregation opportunities. This chapter covers commercial-specific components, tenant improvements, and strategies for maximizing reclassification on commercial assets.

8 min read
Chapter 11

Self-Storage Facility Strategies

Self-storage facilities have some of the highest reclassification rates in real estate. Learn why these properties are ideal candidates for cost segregation and how owners can typically reclassify 35-45% of the purchase price.

7 min read
Chapter 12

Calculating Your Potential Savings

Walk through the math of a cost segregation study step by step. This chapter includes worksheets, formulas, and real examples showing how to estimate your potential tax savings before commissioning a study.

10 min read
Chapter 13

Lookback Studies for Existing Properties

You do not need to have just purchased a property to benefit from cost segregation. Learn how lookback studies (also called catch-up depreciation under IRC Sec. 481(a)) allow you to claim missed deductions on properties you have owned for years.

8 min read
Chapter 14

The Role of IRC Section 1245 and 1250

Understanding the difference between Section 1245 and Section 1250 property is critical for cost segregation. This chapter explains recapture rules, how they affect your tax position at sale, and strategies for managing recapture risk.

9 min read
Chapter 15

Partial Asset Dispositions

When you renovate or replace building components, you may be able to write off the remaining value of the old components. Learn how partial asset disposition rules under Treas. Reg. 1.168(i)-8 work alongside cost segregation.

7 min read
Chapter 16

Qualified Improvement Property (QIP)

QIP has its own depreciation rules and interacts with cost segregation studies. This chapter covers what qualifies as QIP, the 15-year recovery period, and how it fits into your overall tax strategy.

6 min read
Chapter 17

Cost Segregation and 1031 Exchanges

If you plan to sell and reinvest through a 1031 exchange, cost segregation has important implications. Learn how depreciation recapture affects exchange calculations and when to time your study relative to a sale.

8 min read
Chapter 18

Passive Activity Rules and Material Participation

The IRS limits passive losses under IRC Sec. 469 unless you qualify as a real estate professional or meet material participation tests. This chapter explains how these rules interact with cost segregation deductions.

9 min read
Chapter 19

Real Estate Professional Status

Qualifying as a real estate professional (REPS) under IRC Sec. 469(c)(7) unlocks the ability to use cost segregation losses against all income types. Learn the hour requirements, documentation standards, and common audit triggers.

8 min read
Chapter 20

IRS Audit Guide for Cost Segregation

The IRS published a Cost Segregation Audit Techniques Guide (ATG) that outlines exactly what they look for. This chapter summarizes the ATG, common audit triggers, and how to ensure your study withstands IRS scrutiny.

10 min read
Chapter 21

Choosing a Cost Segregation Provider

Not all cost segregation firms are equal. Learn the qualifications to look for, questions to ask potential providers, red flags that indicate a substandard study, and why engineering-based studies outperform estimate-based approaches.

7 min read
Chapter 22

The Economics of a Cost Segregation Study

Is a cost segregation study worth the investment? This chapter breaks down typical study costs, expected returns, break-even analysis, and minimum property values where a study makes financial sense.

6 min read
Chapter 23

Case Studies and Real-World Examples

Review detailed case studies showing how different property types and investor profiles benefited from cost segregation. Includes short-term rentals, apartment buildings, medical offices, restaurants, and self-storage facilities.

12 min read
Chapter 24

Implementation Checklist

A step-by-step checklist for implementing cost segregation on your next property. Covers timing, documentation, coordination with your CPA, and how to integrate the study results into your tax filing.

5 min read
Appendix A

Glossary of Cost Segregation Terms

Comprehensive glossary covering all technical terms, IRS references, and acronyms used throughout the book.

Reference
Appendix B

IRS Revenue Procedures and Rulings

A curated list of relevant IRS revenue procedures, revenue rulings, and Treasury regulations that support cost segregation studies.

Reference
Appendix C

Sample Cost Segregation Report

An annotated sample report showing what a professional cost segregation study looks like, with explanations of each section.

Reference

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