The 10% Safe Harbor for Self-Constructed Property: How Larger Renovations and New Builds Lock In Their Acquisition Date
· 9 min read · Core Tax Strategy
Treas. Reg. 1.168(k)-2(b)(5)(iv)(B) lets a taxpayer treat physical work as beginning when more than 10% of total cost is paid or incurred. What counts, what is excluded, two worked examples ($600K gut renovation and $1.8M six-unit build), the component rule and when to use it.
What This Article Covers
This guide focuses on the 10% safe harbor for self-constructed property: how larger renovations and new builds lock in their acquisition date and explains how the strategy applies to real estate investors evaluating accelerated depreciation opportunities.
- Actionable tax planning context for core tax strategy investors
- Frameworks and decision points that affect first-year deductions
- How this topic connects to engineering-based cost segregation execution
Who Should Read This
This article is written for property owners, sponsors, and tax-aware investors who want practical guidance they can discuss with a CPA before filing.
Estimated length: approximately 1,980 words (9 min read).
Why This Matters in Practice
Depreciation strategy is rarely one-size-fits-all. The details covered in this article help you evaluate timing, reporting posture, and documentation quality so your filing position is both tax-efficient and defensible under audit.
For a full implementation review, compare this topic with related guides and then request a property-specific estimate.