HELLMUTH, OBATA & KASSABAUM, P.C.

HELLMUTH, OBATA & KASSABAUM, P.C. specializes in architectural and engineering services for federal facilities, with deep expertise in construction quality management, building systems commissioning, and environmental compliance. The firm delivers technical oversight for complex healthcare and research infrastructure projects, including exterior envelope assessments, chilled water system upgrades, emergency generator replacements, and seismic retrofitting studies. Their work spans architectural design, NEPA environmental assessments, and facility condition evaluations, demonstrating proficiency in integrating code compliance, sustainability standards, and functional requirements into mission-critical federal buildings. A key differentiator is their hands-on role in construction phase oversight, ensuring adherence to design intent through rigorous inspection protocols and performance verification. The contractor maintains a consistent presence with the Department of Health and Human Services, providing technical support for National Institutes of Health campuses and other HHS-owned facilities. Their engagements focus on modernizing aging medical research infrastructure, from laboratory renovations to utility system upgrades, often under tight operational constraints. They also support the Department of State and Millennium Challenge Corporation on international development projects, delivering interior architectural design and facility planning services aligned with diplomatic and humanitarian missions. Primarily operating under NAICS 541330 (Engineering Services) and 541310 (Architectural Services), the firm positions itself as a technical advisor to federal agencies managing large-scale capital improvement programs. Their work emphasizes building systems integration, lifecycle performance, and regulatory alignment—particularly in high-hazard or sensitive environments such as biomedical laboratories and federal research centers. As a 2L entity headquartered in Washington, D.C., HELLMUTH, OBATA & KASSABAUM, P.C. leverages its urban location to serve federal clients with proximity to regulatory bodies and technical review panels. The firm holds no formal government certifications but maintains a reputation for technical rigor and project execution excellence within the federal design and construction community.