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Claiming 179D Deduction: An Essential Guide for Commercial Property Owners

As a commercial property owner or developer, maximizing tax savings while enhancing the sustainability of your buildings can significantly impact your bottom line. One powerful tool is the §179D Energy Efficient Commercial Building Tax Deduction. This deduction, enhanced considerably by the Inflation Reduction Act of 2022 (IRA), offers substantial financial incentives for energy-efficient improvements. Let’s explore how you can benefit from these updates and why the 179D deduction should be on your radar.

What is the 179D Deduction?

The 179D deduction, enacted in 2005, encourages energy efficiency in commercial buildings. Initially, the deduction allowed a deduction value up to $1.80 per square foot, significantly reducing energy and power costs. However, the IRA has considerably enhanced this incentive, making it more accessible and financially rewarding. 

Key Enhancements from the IRA

The IRA has introduced several important changes to the 179D deduction, effective for buildings placed in service after January 1, 2023. Here’s what you need to know:

  • Increased Deduction Amount: The maximum deduction has been raised to $5.36 per square foot, significantly increasing the potential tax savings for property owners. This enhancement makes energy-efficient upgrades even more financially attractive.
  • Broader Eligibility: Previously, the deduction was limited to taxable entities. Post-IRA, all tax-exempt organizations, including Real Estate Investment Trusts (REITs), can claim the 179D deduction. This change opens up the benefit to a wider range of property owners and managers.
  • Multiple Deductions: Under the new rules, taxpayers can claim the deduction for the same building up to three times over three years (or four times under certain conditions). This provision encourages ongoing investments in energy efficiency, providing continued financial benefits.
  • Updated Standards: The IRA updates the ASHRAE standard for energy efficiency comparisons, requiring a lookback period of two years before construction and projecting savings four years into the future. This ensures that deductions are based on contemporary energy efficiency benchmarks.
  • Prevailing Wage and Apprenticeship Requirements: Projects starting construction before January 29, 2023, and placed in service after this date are exempt from these requirements. This allows developers to plan their projects accordingly and still benefit from the enhanced deduction.


Benefits for Commercial Property Owners

Owing to the recent enhancements to 179D, commercial property owners can now significantly improve their cash flow by writing off energy efficiency expenses in the first year. This immediate financial relief can be reinvested into further property improvements or other business operations.


Moreover, as sustainability has become a crucial factor in real estate, energy-efficient buildings are more marketable. The 179D deduction supports your efforts to reduce carbon footprints and enhance your property’s green credentials.


Non-taxpaying entities can transfer the deduction to the architect or designer responsible for the energy-efficient improvements. This incentive encourages collaboration with professionals prioritizing sustainability, ensuring high-quality energy-saving measures.


Also, energy-efficient buildings are more attractive to tenants and buyers, often commanding higher rents and sales prices. The 179D deduction helps offset the initial investment costs, making it easier to justify these upgrades.

Take Action Today

The 179D Energy Efficient Commercial Building Tax Deduction provides a vital opportunity for commercial property owners and developers to enhance their properties, improve cash flow, and contribute to sustainability efforts. With the enhancements brought by the IRA, now is the perfect time to explore how these changes can benefit your business.


Connect with National Tax Group today for expert guidance on claiming the 179D deduction and maximizing your tax savings. Our team of tax specialists, engineers, and energy modelers is ready to assist you in navigating these updates and ensuring you take full advantage of the available benefits.


Take advantage of these valuable tax incentives.