R&D Tax Credits for the Construction Industry

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Construction companies routinely solve difficult technical problems to deliver buildings and infrastructure on time, on budget, and to specification. What many firms do not realize is that some of the time and cost associated with this work may qualify for the Federal and California Research and Development (R&D) Tax Credits. For construction businesses, qualifying R&D does not need to take place in a laboratory or involve inventing an entirely new building technology. It often happens within live projects, where engineers, designers, and project teams must work out how to achieve a structural, mechanical, environmental, or constructability objective when the solution is not known at the outset.

What is the R&D Tax Credit?

The Federal R&D Tax Credit is designed to incentivize businesses undertaking qualified research activities in the United States. California operates its own Research Credit for qualifying research conducted within the state. Generally speaking, an activity must be intended to develop or improve a product, process, technique, formula, software, or invention, and must involve a process of experimentation grounded in engineering, the physical sciences, or computer science. The work must also seek to resolve uncertainty about capability, methodology, or appropriate design. In construction, a "product" can include a building system, structural element, or component, and a "process" can include a new construction method or installation technique.

What Construction Activities Can Qualify?

Potentially qualifying construction activities can include the development or improvement of:

Structural systems and connections for unusual loads, spans, geometries, or site conditions.
Seismic, wind, and foundation solutions where established approaches do not meet project requirements.
Mechanical, electrical, and plumbing (MEP) systems designed to meet demanding energy, acoustic, or environmental targets.
Building envelope and façade systems, including thermal, moisture, and fire performance.
New or alternative materials, such as low-carbon concrete mixes, mass timber, or composite assemblies.
Modular, prefabricated, and off-site construction methods.
Construction sequencing, temporary works, and installation techniques for technically constrained sites.
Building automation, controls, and monitoring systems.
Software and digital tools developed in-house for design, estimating, or project delivery.
Existing systems or methods where significant technical improvement is required.

The important factor is not simply what was built, but how the company determined how to build it. Designing to established code provisions, specifying standard assemblies, or following a proven installation method would not ordinarily represent qualified research. By contrast, a project requiring the team to evaluate alternative designs, run structural or energy models, build mock-ups, test materials, or iterate on a construction method to determine how a technical objective can be achieved may contain qualifying R&D activities.

Activities such as design development, analysis and simulation, prototyping and mock-ups, materials testing, and trialing new construction methods are commonly relevant to the credit. Routine activities such as code compliance checks, quality control inspections, and standard commissioning are generally excluded.

Who in the Construction Industry Might Qualify?

Opportunities are not limited to general contractors. Firms across the industry may carry out qualifying work, including design-build contractors, structural and civil engineering firms, MEP engineers and contractors, architects, specialty subcontractors, modular and prefabrication manufacturers, and firms developing their own construction technology. In each case, the question is whether the firm itself performed the technical work needed to resolve the uncertainty.

R&D as Part of Client Projects

A common misconception is that work performed for a project owner can't qualify. Because almost all construction work is delivered under contract, this is one of the most important questions for any construction claim.

Consider a design-build contractor engaged to deliver a mid-rise building on a constrained urban site. The owner specifies the floor area, budget, schedule, sustainability targets, and seismic performance requirements, but leaves the contractor responsible for determining how those objectives will be achieved. The team may need to evaluate alternative structural systems, model building performance under different loads, develop a novel foundation approach for difficult soil conditions, trial a prefabricated assembly, and refine the design through repeated iterations before arriving at a workable solution. Those activities may represent qualified research even though the overall project is delivered to a paying client.

However, client-funded work requires careful analysis, and the contract terms are central. The rules consider whether the company bears financial risk if the development is unsuccessful, and whether it retains substantial rights to use the results of its research. Fixed-price, lump-sum, guaranteed maximum price, time-and-materials, and cost-plus contracts can therefore have very different implications for eligibility. Design professionals paid on an hourly or cost-reimbursable basis, for example, may find it harder to establish financial risk than contractors working under a fixed price.

There is also an exclusion for work that merely adapts an existing design or method to a particular client's requirements. Every building may be unique, but uniqueness alone does not establish qualified research. The distinction is whether the project involved genuine technical uncertainty and a process of experimentation, rather than applying established methods to a new site. Where a firm builds a first-of-its-kind structure or system, the costs of the structure itself raise further questions, as amounts paid for depreciable property are generally not qualifying expenses.

Construction companies should not automatically exclude client projects from consideration, but these issues must be addressed carefully. Working with a specialist R&D consultant can help a firm navigate the potential pitfalls and ensure that it obtains the full credit value it is entitled to.

What Costs Can Be Considered?

Once qualifying activities have been identified, the associated Qualified Research Expenses (QREs) must be determined. Depending on the circumstances, these can include wages of employees performing, directly supervising, or directly supporting qualified research, supplies used in the research process such as materials consumed in testing and mock-ups, qualifying computer-use costs, and a portion of eligible amounts paid to third parties performing qualified research on the company's behalf. The Federal credit generally allows 65% of qualifying contract research expenditure, subject to the relevant requirements. In construction, separating qualifying costs from general project costs is critical. Materials incorporated into a finished building and other depreciable property generally do not qualify, and costs incurred after a design has been resolved and moved into routine construction fall outside the credit.

For California, only qualifying research conducted within California can generate California Research Credit QREs. A detailed cost analysis is therefore an important part of establishing the value of a claim.

The Role of an R&D Tax Consultant

For construction companies, one of the more challenging aspects of an R&D Tax Credit claim is translating complex project work into the technical and financial evidence required to support the credit. Project records are typically organized around schedules, budgets, and deliverables rather than technical uncertainty, so an effective review should go beyond asking project teams whether they believe they do "R&D."

Instead, the process should examine individual projects and identify:

The technical objectives of the project.
The uncertainties encountered.
The alternatives considered.
The design and engineering work undertaken to evaluate those alternatives.
The modeling, analysis, mock-ups, testing, or other experimentation performed.
The contract terms governing financial risk and rights to the results.
The employees and costs associated with those activities.

This is where a technically focused R&D consultant can add significant value. By speaking directly with engineers, designers, and project managers, and by reviewing drawings, RFIs, design calculations, and test reports, the consultant can identify qualifying activities embedded within larger projects and distinguish genuine experimental development from routine design, construction, inspection, or maintenance work. The resulting claim should connect the technical activities undertaken with the associated qualifying expenditure and provide clear documentation supporting the basis on which the credit has been calculated.

Could Your Construction Projects Qualify?

Many construction companies are already carrying out the type of technical development contemplated by the R&D Tax Credit without describing that work internally as "research and development". If your business is developing new structural or building systems, solving difficult site or performance challenges, trialing new materials or construction methods, building mock-ups and prototypes, or designing solutions where the answer is not known at the outset, there may be an opportunity worth exploring. Ampirico specializes in Federal and California R&D Tax Credits and works directly with project and technical teams to identify qualifying activities, document the underlying development work, analyze the associated costs, and calculate the resulting credit. If you would like to understand whether your construction projects may qualify, get in touch with our team at www.ampirico.com.