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Trusted Architecture, Engineering & Construction Services in Honolulu
Founded in 2003, AEPAC began with a focus on historic preservation and has grown into a full-service architecture, engineering, and construction firm. Our team of licensed professionals brings over 20 years of cross-cultural experience delivering complex projects throughout the Pacific and coastal regions. We specialize in innovative, sustainable, and scientifically grounded solutions that honor the past while building for the future. Our expertise spans architecture, civil engineering, mechanical engineering, structural engineering, and LEED design, with a strong emphasis on interdisciplinary coordination and project management. We serve federal agencies, private organizations, and local governments, offering services including historic preservation, environmental assessments, and construction management.

Our commitment to quality is reflected in our ISO-certified processes, 36 CFR 61 SOI Qualified Historic Architects, and a proven track record of completing projects on time and within budget. We prioritize transparent communication, client satisfaction, and sustainable practices, supported by a robust network of professionals and established industry relationships. Our leadership in historic preservation is exemplified by our work on high-profile projects such as the Kalakaua Post Office Building Historic Restoration and the Maui Wildfire Response Debris Removal Support. With offices in Hawaii, California, Washington D.C., and Guam, we combine local knowledge with global expertise to deliver thoughtful and innovative solutions that protect and celebrate our past while paving the way for a sustainable future.
Services
Architecture Engineering Construction Management Historic Preservation Environmental Projects
Details
  • Year established: 2003
Highlights and features
  • We have over 20 years of cross-cultural experience delivering complex projects.
  • Our team includes 36 CFR 61 SOI Qualified Historic Architects.
  • We offer LEED-certified sustainable design solutions.
  • Our firm excels in Section 106 compliance and historic tax credit projects.
  • We provide integrated architecture, engineering, and construction services under one roof.
Associations and certifications
  • 36 CFR 61 SOI Qualified Historic Architect
  • LEED AP Certified
Services
Architecture
AEPAC's architecture team delivers innovative designs that balance historical integrity with modern functionality. We specialize in federal projects, historic renovations, and LEED-certified sustainable buildings. Our interdisciplinary approach ensures seamless integration of civil, mechanical, and structural engineering for optimal results.
Historic Preservation
We preserve cultural heritage through Section 106 compliance, historic tax credit applications, and adaptive reuse projects. Our 36 CFR 61 SOI Qualified Historic Architects conduct building analyses, develop preservation plans, and ensure regulatory compliance while maintaining historical accuracy and modern usability.
Construction Management
Our construction management services cover preconstruction planning to project completion. We provide quality control, subcontractor coordination, and budget management for federal and commercial clients, ensuring timely delivery of complex projects in remote locations across the Pacific region.
Environmental Projects
AEPAC's environmental team offers GIS surveying, remediation, and compliance services for federal and private clients. We integrate scientific expertise with sustainable practices to address challenges in sensitive ecosystems, including invasive species management and hazardous material handling.
Engineering
Our engineering services include civil, mechanical, electrical, and structural disciplines. We focus on infrastructure projects requiring specialized knowledge of Pacific region challenges, such as corrosion resistance, hurricane resilience, and sustainable material selection for long-term durability.
People
Lorraine Minatoishi
President & CEO
Dr. Minatoishi holds a Doctorate of Engineering from Waseda University and has over two decades of experience in historic preservation and federal project management. She leads AEPAC's integrated approach to architecture, engineering, and construction.
Angelica Terrazas
Managing Director
With expertise in federal procurement and program management, Terrazas ensures compliance with government requirements while delivering projects on time and within budget. She coordinates stakeholder relationships and strategic initiatives.
Ian Lam
Director of Marketing
Ian Lam oversees business development and marketing strategy, leveraging his PMP certification to enhance AEPAC's competitive positioning and client engagement in the architecture and engineering industry.
Alan Downer
Chief Archaeologist
A nationally recognized leader in cultural resource management, Downer brings over four decades of experience in archaeology and historic preservation at federal, state, and tribal levels to AEPAC's projects.
Natalie Besl
Architectural Historian
Besl specializes in cultural resource management with nine years of experience in historic building surveys, Section 106 compliance, and National Register nominations, ensuring accurate documentation and protection of historic resources.
Questions
What services does AEPAC offer?
AEPAC provides architecture, engineering, construction management, historic preservation, and environmental services for federal, private, and local government clients.
Which regions does AEPAC serve?
We operate across the Pacific region, including Hawaii, California, Washington D.C., and Guam, with expertise in remote and culturally sensitive locations.
Is AEPAC qualified for historic preservation projects?
Yes, we employ 36 CFR 61 SOI Qualified Historic Architects and have extensive experience in Section 106 compliance and National Register nominations.
Does AEPAC handle federal construction contracts?
Yes, we manage federally funded projects from award to completion, including design-build and construction management for the Department of Defense.
What certifications does AEPAC hold?
We maintain LEED AP certification, 36 CFR 61 qualifications, and licenses in architecture, engineering, and environmental management across multiple states.