GUERNSEY/TINGLE ARCHITECTS, P.C.

Guernsey/Tingle Architects, P.C. specializes in comprehensive architectural and engineering design services for mission-critical federal facilities, with deep expertise in renovation, repair, and new design of military infrastructure. Their work encompasses HVAC and plumbing system upgrades, interior and exterior restoration of historic and operational buildings, temporary facility planning, and construction-phase oversight—all tailored to Department of Defense standards. The firm delivers full-cycle A-E services, including schematic design, technical documentation, code compliance analysis, and constructability reviews, with a demonstrated focus on complex renovation projects at active military installations such as Joint Base Langley-Eustis and Lawson Hall. Their technical proficiency includes adaptive reuse of legacy structures, facility condition assessments, and integration of modern building systems into historic contexts, ensuring both operational readiness and preservation integrity. The contractor maintains a consistent, long-standing relationship with the Department of Defense, providing architectural and engineering services across multiple installations, primarily supporting base modernization, facility sustainment, and infrastructure resilience initiatives. Their project portfolio reflects a pattern of repeat engagement on high-priority installations, indicating trusted status as a design partner for military real property management and capital improvement programs. Operating under NAICS 541310, the firm is firmly positioned in the architectural services sector, with a vertical specialization in defense-related infrastructure. They serve as a niche provider for DoD clients requiring sensitive, context-sensitive design solutions for barracks, chapels, administrative buildings, and support facilities—often under strict operational constraints and regulatory frameworks. Guernsey/Tingle Architects, P.C. is a small, locally based firm headquartered in Williamsburg, Virginia, structured as a 2L entity. While no federal certifications are disclosed, their sustained presence in the DoD market and repeated award history reflect a strong reputation for reliability, technical precision, and mission-aligned execution within the defense architecture community.