Business Details
32 Years
experience
Trusted Architectural Design & Historic Preservation in Portland
For over thirty years, our firm has been recognized as a leader in architectural design and renovation across Oregon and Washington. We specialize in creating context-sensitive architecture that respects existing environments while incorporating sustainable materials and construction methods. Our expertise spans planning, historic preservation, and conservation, with a focus on delivering designs that align with client needs and community values. With roots tracing back to 1935, we continue a legacy of excellence in architectural practice. Our principal, Robert M. Dortignacq, brings decades of experience in historic preservation and has led award-winning projects such as the Gordon House move and reconstruction.We are committed to advancing quality design through community engagement, education, and advocacy. Our services include space programming, master planning, adaptive reuse, and seismic upgrades, tailored to both new and historic structures. Recognized by the AIA and local preservation commissions, we prioritize lasting value in every project. Our work has been supported by grants and awards from organizations like the Federal Department of Transportation and the GSA. We strive to balance innovation with stewardship, ensuring our designs endure for future generations.
Services
Planning
Architecture
Conservation
Historic Preservation
Sustainable Design
Details
- Year established: 1994
Highlights and features
- We have over 30 years of experience in architectural design and historic preservation.
- Our team specializes in sustainable materials and construction methods for historic structures.
- We have received awards from the Portland Chapter AIA and GSA.
- Our principal has led nationally recognized preservation projects like the Gordon House.
- We provide tailored solutions for adaptive reuse and seismic upgrades.
Services
Planning
Our planning services assess site and structural feasibility to guide project development. We conduct space programming, predesign reports, and master planning tailored to client goals. With expertise in sustainability and historic contexts, we deliver actionable strategies for projects ranging from public libraries to transportation hubs.
Architecture
We translate client visions into functional, aesthetically compelling spaces. Services include conceptual design, construction documents, and project closeout for new builds and renovations. Our work emphasizes adaptive reuse and seismic upgrades, blending modern needs with historic integrity across residential and commercial projects.
Conservation
Our conservation services focus on preserving culturally significant structures through condition assessments and restoration plans. We specialize in National Register nominations, building envelope weatherization, and artifact preservation. Projects include the Multnomah Falls Lodge and Frank Lloyd Wright's Gordon House, ensuring long-term stewardship of historic resources.
Sustainable Design
We integrate sustainable practices into all project phases, from material selection to energy-efficient systems. Our approach prioritizes environmental responsibility without compromising design integrity. Services include LEED consulting and sustainability upgrades for historic properties, reducing ecological impact while maintaining architectural heritage.
Adaptive Reuse
We transform existing structures into functional, modern spaces while preserving historic character. Services include seismic upgrades, facade renovations, and interior reconfigurations. Recent projects involve repurposing historic buildings for contemporary uses, such as the IRCO Flinn Block and Carnegie Center, balancing preservation with practicality.
People
Robert M. Dortignacq
Principal Architect
Robert M. Dortignacq, AIA, leads the firm with expertise in historic preservation and architectural design. With over 30 years of experience, he has directed award-winning projects like the Gordon House move and Oregon City's Carnegie Library restoration. He holds degrees from UCLA and Cornell University and is actively involved in preservation advocacy.
Questions
What architectural services does Dortignacq Architecture offer?
We provide planning, design, historic preservation, conservation, and adaptive reuse services for residential and commercial projects in Oregon and Washington.
How long has Dortignacq Architecture been in business?
The firm has operated continuously since 1994, with roots tracing back to 1935 through predecessor partnerships.
Does the firm specialize in historic building restoration?
Yes, we specialize in historic preservation, including National Register nominations, condition assessments, and restoration of culturally significant structures.
What areas do you serve?
We primarily serve Oregon and Washington, with a focus on Portland and surrounding communities.
Can you handle seismic upgrades for older buildings?
Yes, we offer seismic upgrades and adaptive reuse solutions that maintain historic integrity while meeting modern safety standards.
