Article | by Bryce Baker, CPA

The One Big Beautiful Bill Act (OBBBA), signed into law on July 4, 2025, introduces substantial tax changes that affect construction companies across multiple areas of their operations. The most successful construction firms are taking a strategic approach to understanding and implementing these changes rather than treating them as isolated compliance matters.

The key to maximizing value lies in integrating tax planning considerations into broader business strategy, from capital investment decisions to project timing and entity structuring. Companies that develop this integrated approach are positioning themselves for sustainable advantages in an evolving regulatory environment.

Key Provisions Reshaping Construction Tax Planning

Several OBBBA provisions directly benefit construction companies. The permanent reinstatement of 100% bonus depreciation for qualifying property placed in service after January 19, 2025, allows immediate full deductions for equipment purchases including excavators, cranes, and modular building systems. The expanded Section 179 expensing limits, increased to $2.5 million with a $4 million phase-out threshold, provide additional flexibility for equipment and vehicle purchases.

The return to EBITDA-based calculations for business interest deductions increases the amount of interest that construction and development projects can deduct. For an industry that relies heavily on project financing, this change improves the economics of leveraged investments and acquisitions.

Expanded Completed Contract Method: A Game Changer for Residential Contractors

The broadened eligibility for the completed contract method represents perhaps the most significant cash flow improvement for residential construction contractors. Previously, only narrowly defined home construction contracts qualified for this accounting method. The OBBBA now extends this benefit to all residential construction contracts, including condominiums, apartment complexes, senior living facilities, and other multi-family developments.

This change allows contractors to defer revenue recognition until substantial completion, creating substantial cash flow advantages during long construction cycles. For contractors working on multi-year projects, this can mean the difference between paying taxes on recognized revenue while still incurring project costs and maintaining cash for operations until project completion. The timing benefit becomes particularly valuable for contractors managing multiple overlapping projects with varying completion schedules.

For eligible contractors, this provision can fundamentally alter project economics and improve working capital management. Companies should evaluate their current contract portfolio and consider restructuring future agreements to maximize these benefits.

Strategic Integration Over Tactical Implementation

Effective tax planning under the OBBBA requires moving beyond compliance-focused approaches toward strategic integration with business operations. This involves coordinating equipment purchases with bonus depreciation timing, aligning project schedules with accounting method changes, and structuring financing arrangements to optimize interest deductibility.

The new Qualified Production Property provision allows 100% expensing for nonresidential real property used in manufacturing or production, with construction beginning after January 19, 2025, and before January 1, 2029. While this might initially seem irrelevant to traditional construction companies, some firms are identifying opportunities in warehouse, logistics, and manufacturing facility development that qualify for this benefit.

The restoration of immediate domestic research and experimental expenditure expensing creates opportunities for construction companies investing in new methods, project management technology, or engineering innovations. Rather than amortizing these costs over fifteen years, companies can now deduct them immediately.

Timing and Entity Structure Considerations

Many OBBBA provisions include specific effective dates requiring careful coordination. The 100% bonus depreciation applies to property placed in service after January 19, 2025. The Qualified Production Property benefit has a construction start window ending January 1, 2029. The Section 179D deduction phases out for construction begun after June 30, 2026.

The OBBBA’s permanent Qualified Business Income deduction enhances the benefits of pass-through entity structures for construction companies. The 20% QBI deduction, with increased threshold amounts, improves after-tax returns for S corporations, partnerships, and LLCs. These changes create opportunities for construction companies to evaluate their entity structures, particularly when combined with enhanced business interest deductibility and bonus depreciation provisions.

Implementation Framework

Successfully capturing OBBBA benefits requires systematic approaches that integrate tax planning into operational processes. This includes updating capital budgeting models to reflect accelerated depreciation benefits, modifying project management systems to track critical dates, and enhancing accounting systems to support new reporting requirements.

The most effective companies are developing expertise in cost segregation studies to maximize depreciation benefits, sophisticated project timing strategies, and systematic approaches to opportunity zone investments. These capabilities create value that extends beyond immediate tax savings to include improved competitiveness in bid processes.

Moving Forward

The OBBBA creates meaningful opportunities for construction companies willing to approach tax planning strategically. The benefits are substantial, but they require thoughtful planning, systematic implementation, and ongoing coordination with business operations.

Construction companies that integrate these tax planning considerations into their broader business strategy will find themselves better positioned for growth and profitability. Those that develop systematic approaches to capturing these benefits while maintaining compliance will create sustainable competitive advantages in this new tax landscape.

Geffen Mesher’s team is available to assist you with questions related to these updated rules. Please contact professionals for more information at INFO@GMCO.COM.