Cost Seg Before vs After Renovation: Timing the Study Right
Cost seg before renovation captures the existing property's components but misses the renovation. Cost seg after renovation captures the renovation costs and updated components. For substantial renovations (more than 30% of basis), perform cost seg twice: once at acquisition for the pre-renovation state, and again after renovation for the new components. Coordinate with partial disposition election under Treas. Reg. 1.168(i)-8.
Cost seg at acquisition
Performing cost seg in the year of acquisition (before renovation) captures the existing property's component allocation. The reclassification reflects the property as purchased: existing appliances, original flooring, landscaping at time of sale, etc.
First-year deduction lands on the year-of-acquisition return. If renovation is planned soon, the engineer can flag components that will be replaced so the subsequent partial disposition election under Reg. 1.168(i)-8 is clean.
Cost seg after renovation
Performing cost seg after substantial renovation captures the new components: new appliances, new flooring, new HVAC, new fixtures. The reclassification reflects the updated state of the property.
Renovation costs are added to basis and depreciated. The cost seg study allocates the renovation between 5-year, 15-year, and real property categories.
When to do both
For substantial renovations (more than 30% of basis), the optimal strategy is two studies. First study at acquisition captures the existing property's components. Partial disposition election under Reg. 1.168(i)-8 writes off the basis of replaced components at the renovation point. Second study after renovation captures the new components.
The combined approach maximizes both the original cost seg benefit and the renovation cost seg benefit while properly handling the disposition of replaced components.
Frequently asked questions
- How does WeCostSeg coordinate with my CPA?
- Every engagement follows the three-touch CPA Coordination Protocol. Preliminary analysis CC'd to your CPA on intake, draft report shared five business days before final delivery, and Form 3115 filing coordinated when a Section 481(a) adjustment applies.
- Does OBBBA's 100% bonus apply to my acquisition?
- 100% applies to property under a binding contract on or after January 20, 2025 per Public Law 119-21. Property under a binding contract on or before January 19, 2025 stays on the legacy phase-down: 40% in 2025, 20% in 2026, 0% in 2027 and after.
- Is audit defense included?
- Yes. Every WeCostSeg engagement includes five years of written audit defense at no extra charge, aligned to the 13 Principal Elements of a Quality Cost Segregation Study under IRS Publication 5653 Chapter 4.
- Can I get a free preliminary analysis?
- Yes. Submit property details via the free proposal form or WhatsApp. Engineer-reviewed estimate returned within four business hours during US Eastern hours.
Zawwad Ul Sami, Founder
Zawwad Ul Sami is the founder of WeCostSeg, a founder-led cost segregation firm serving real estate investors across the US. He focuses on strategy, pricing, and the firm's overall direction.