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27 Years
experience
Your Trusted Architectural Partner in Orange, Virginia
Gillum Architects has been delivering comprehensive architectural and engineering services since 1999, building upon a legacy of excellence from our predecessor firm. Our practice in Orange, Virginia, is led by T. Marshall Gillum, AIA, a licensed architect with nearly four decades of experience and NCARB certification. We prioritize personal involvement in every project, leveraging advanced CAD software to produce precise construction documents while maintaining deep familiarity with statewide and local building codes. Our collaborative approach integrates qualified engineering consultants in mechanical, structural, and civil disciplines to ensure fully coordinated solutions. With a proven track record across commercial, residential, religious, industrial, institutional, and public sectors, we consistently deliver projects on schedule and within budget.

Our reputation for technical competence and organized project management has been solidified through successful execution of both large-scale and modest projects throughout Virginia. We maintain close partnerships with local building officials, contractors, and tradesmen to streamline the permitting and construction processes. Our philosophy emphasizes balancing scope, quality, and budget for every client, regardless of project size. This commitment to professionalism, combined with our technical expertise and client-centric focus, positions us as a trusted partner for architectural solutions in Central Virginia and beyond.
Services
Feasibility Studies Schematic Design Preliminary Design Construction Documents Project Cost Estimates Construction Administration Design Development Bid Evaluation Tenant Alterations Building Renovations
Details
  • Year established: 1999
Highlights and features
  • We offer 40 years of architectural experience with NCARB certification.
  • Our principal provides personal attention to every project from start to finish.
  • We maintain deep knowledge of Virginia building codes and local permitting processes.
  • Our team utilizes advanced CAD software for precise construction documentation.
  • We collaborate with proven engineering consultants in mechanical, structural, and civil disciplines.
Associations and certifications
  • American Institute of Architects (AIA)
  • NCARB
Services
Feasibility Studies
Our feasibility studies evaluate project viability through technical, financial, and regulatory assessments. We analyze site conditions, zoning requirements, and budget parameters to identify potential challenges early in the planning process. This service helps clients make informed decisions before committing significant resources to architectural design.
Construction Documents
We produce comprehensive construction documents including detailed drawings, specifications, and material schedules. These documents ensure clear communication between contractors and stakeholders while meeting all building code requirements. Our precise documentation minimizes construction-phase issues through thorough planning and coordination.
Design Development
During design development, we refine initial concepts into detailed architectural solutions. This phase establishes material selections, structural systems, and mechanical requirements while maintaining alignment with client budgets. Our approach ensures functional spaces meet aesthetic goals through iterative design improvements.
Construction Administration
Our construction administration services include site visits, contract management, and contractor coordination throughout the building process. We ensure adherence to design intent while addressing field conditions through timely documentation changes. This oversight guarantees final results match approved plans and specifications.
Schematic Design
Schematic design establishes the foundational layout and spatial relationships for each project. We create preliminary floor plans, elevations, and massing studies to visualize client requirements. This phase focuses on optimizing functionality while establishing cost parameters for subsequent design stages.
People
T. Marshall Gillum
Principal Architect
Licensed architect with 40 years of experience, NCARB-certified graduate of Virginia Tech College of Architecture. Leads all projects personally, ensuring technical excellence and client satisfaction through direct involvement in every design phase.
Questions
What types of architectural services do you offer?
We provide full-service architectural solutions including feasibility studies, design development, construction documents, and construction administration for commercial, residential, and public projects.
Do you work on renovation projects or only new construction?
We handle both new construction and renovation projects, with extensive experience in additions, alterations, and historic building adaptations across Virginia.
How does your design process work?
Our process begins with schematic design, followed by detailed development, construction documentation, and on-site administration to ensure design intent is maintained throughout construction.
What areas do you serve?
We primarily serve Central Virginia, including Orange, Louisa, Fredericksburg, Stafford, and Spotsylvania counties, with projects completed throughout the Commonwealth.
Can you help with building code compliance?
Yes, we maintain current knowledge of Virginia building codes and local ordinances to ensure all designs meet regulatory requirements during permitting and construction phases.
How do you ensure projects stay on budget?
We establish cost parameters early through feasibility studies and schematic design, then maintain strict budget control through detailed specifications and contractor bid evaluation processes.