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Your Trusted Partner for Architectural Solutions
Architectural Dimensions combines decades of expertise with innovative solutions to deliver complex architectural and design projects. Our team specializes in architectural design, agency management, land-use planning, program/project management, and construction administration, ensuring comprehensive support from concept to completion. With a proven track record in managing large-scale developments, we utilize advanced project controls and proprietary software to maintain transparency and efficiency.

Our leadership includes industry veterans with over 40 years of experience, recognized for landmark projects like the Fox Theater renovation and the Oakland Army Base Reuse Plan. We prioritize accountability, communication, and integration, serving clients across hospitality, commercial, residential, and civic sectors while adhering to the highest standards of sustainability and client satisfaction.
Services
Architecture Interior Design Program Management Master Planning Agency Management Project Management Communication Management Construction Management Information Management Historic Preservation
Highlights and features
  • We offer over 40 years of architectural expertise.
  • Our proprietary Collage software ensures efficient project management.
  • LEED certification specialists for sustainable designs.
  • Award-winning team with a focus on community engagement.
  • Comprehensive services from design to construction management.
Associations and certifications
  • American Institute of Architects (AIA)
  • National Council of Architectural Registration Boards (NCARB)
  • LEED Accredited Professional (LEED AP)
What people say
Award-winning team Innovative solutions Client-focused approach Sustainable designs Community engagement
Services
Architecture
We provide full architectural services, from initial design to construction management, ensuring compliance with codes and client needs. Our expertise includes hospitality, commercial, and historic projects, utilizing 3D modeling tools for precision. Clients benefit from streamlined workflows and sustainable, code-compliant solutions.
Interior Design
Our interior design services balance aesthetics and functionality, covering new builds and tenant improvements. We specialize in hospitality, retail, and office spaces, offering custom furniture and lighting design. Clients receive tailored environments that meet regulatory standards while enhancing user experience through creative solutions.
Program Management
We manage all aspects of project development, from budgeting to contractor coordination. Our one-stop service ensures timely delivery and compliance with client goals. Clients gain a dedicated team handling communication, risk mitigation, and stakeholder alignment for complex, multi-phase projects.
Master Planning
Our master planning services create long-term, adaptable strategies for urban growth, integrating community input and economic factors. We deliver phased implementation plans and land-use analyses, ensuring projects align with sustainability goals and attract private investment while addressing housing and infrastructure needs.
Construction Management
We oversee construction processes to maintain budget and schedule integrity, coordinating contractors and ensuring quality control. Clients receive real-time updates and conflict resolution, minimizing delays. Our experience spans historic restorations to industrial mega-projects, guaranteeing technical precision and client security.
People
James Heilbronner
Founder, President and Principal Architect
With over 40 years of experience, James Heilbronner leads Architectural Dimensions, specializing in project delivery and stakeholder coordination. He has managed high-profile projects like the Fox Theater renovation and Oakland Army Base Reuse Plan, emphasizing sustainable practices and community engagement.
Margit E. Whitlock
VP Interior Design
Margit Whitlock, a LEED-certified interior design expert with 25 years in hospitality and commercial design, oversees project concepts and client relations. She holds a Bachelor of Architecture from the University of Oregon and has contributed to publications like Hotel Business and Resort Management.
Erika Ramirez
Chief of Staff
Erika Ramirez manages operational efficiency and client coordination at Architectural Dimensions. Her role ensures seamless project execution and administrative oversight, supporting the firm's commitment to accountability and client satisfaction.
Jeffrey MacAdam
Senior Project Manager
Jeffrey MacAdam leads project teams with expertise in design and construction administration. He ensures projects meet technical and regulatory standards while aligning with client objectives, leveraging his experience in diverse architectural sectors.
Michael Semple
Senior Project Manager
Michael Semple, a licensed architect, specializes in complex project management and client communication. His work focuses on delivering innovative, code-compliant solutions for commercial and civic projects, ensuring adherence to timelines and budgets.
Questions
What services does Architectural Dimensions offer?
We provide architecture, interior design, program management, master planning, and construction management services for commercial, hospitality, and civic projects.
How does Architectural Dimensions handle complex projects?
We use proprietary software, experienced teams, and integrated project controls to manage timelines, budgets, and stakeholder communication for complex developments.
What industries do you specialize in?
We focus on hospitality, commercial, residential, civic, and historic preservation projects, with expertise in LEED-certified and sustainable designs.
Can you manage multi-phase or large-scale developments?
Yes, our team has managed $220M+ projects like the Oakland Army Base Reuse Plan, coordinating stakeholders and ensuring compliance with funding and regulatory requirements.
How do you ensure client satisfaction?
We prioritize clear communication, tailored solutions, and accountability, maintaining transparency through dedicated project management and client collaboration tools.
What sets Architectural Dimensions apart from competitors?
Our 40+ years of experience, proprietary technology, and award-winning team deliver innovative, client-focused solutions with a proven track record in complex projects.