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Business Details
26 Years
experience
Your Trusted Partner for Sustainable Architectural Solutions
At 450 Architects, we approach design as a collaborative journey rooted in listening, observation, and reflection. Our practice, founded in 2000, focuses on creating spaces that harmonize with their environment and elevate the human experience. With expertise in ecological design, LEED certification, and community-driven processes, we specialize in residential, commercial, educational, and public projects.

Our principals, David Bushnell and Richard Parker, are LEED Accredited Professionals who integrate Permaculture and Regenerative Design principles to deliver spaces that are not only functional and beautiful but also deeply attuned to their context. We prioritize transparency, inclusivity, and sustainability, ensuring every project reflects our clients' values while fostering long-term environmental stewardship.
Services
Residential Architecture Commercial Architecture Educational Architecture Green Building Consultation Public Space Design LEED Certification Assistance Sustainable Renovations Community Planning Passive House Design Permaculture Design
Details
  • Year established: 2000
Highlights and features
  • We offer over two decades of experience in ecological and sustainable design.
  • Our team includes LEED Accredited Professionals and Certified Permaculture Designers.
  • We prioritize community engagement through transparent, participatory design processes.
  • We deliver tailored solutions balancing client vision with technical expertise.
  • Our designs integrate regenerative principles, ensuring long-term environmental and social impact.
Associations and certifications
  • LEED Accredited Professionals
  • Green Roof Professionals
Services
Residential Architecture
Transforming homes into personalized, sustainable spaces that align with clients' lifestyles and values. Our approach balances natural materials and energy efficiency while enhancing functionality and aesthetic appeal. Projects range from renovations to new builds, all emphasizing harmony with the site's environment.
Green Building Consultation
Advising on eco-friendly materials, energy systems, and certifications like LEED and Passive House. We guide clients through regulatory requirements and best practices to achieve high-performance, environmentally responsible buildings tailored to their specific goals.
Community-Based Design
Facilitating inclusive workshops and collaborative processes for public projects. We ensure diverse voices shape the design, fostering spaces that reflect community needs and promote long-term social and ecological resilience through participatory decision-making.
Educational Architecture
Creating inspiring, functional learning environments that support innovative pedagogy. Our projects, such as the San Francisco Waldorf High School, emphasize natural light, sustainable materials, and flexible spaces to enhance student engagement and well-being.
LEED Certification Assistance
Guiding clients through LEED certification requirements, from documentation to compliance. Our expertise ensures projects meet rigorous sustainability standards while achieving cost efficiency and occupant health benefits.
People
David Bushnell
Founding Principal
David Bushnell is a LEED Accredited Professional with over two decades of experience in sustainable architecture. He champions community-driven design and ecological mindfulness, ensuring projects align with environmental and social values.
Richard Parker
Founding Principal
Richard Parker, a LEED Accredited Professional, co-founded 450 Architects with a vision for ethical, innovative architecture. He specializes in integrating sustainable practices and fostering collaborative client relationships to realize impactful designs.
Daniel Penalva Serrano
Daniel Penalva Serrano contributes to the firm's architectural projects with a focus on detailed craftsmanship and sustainable materials, supporting the delivery of high-quality, site-responsive designs.
Eva Shaw
Eva Shaw supports the design process with a commitment to ecological principles, ensuring projects meet both client needs and environmental standards through thoughtful, collaborative problem-solving.
Alexandra Waterson
Alexandra Waterson brings a focus on sustainable design and community engagement to the team, contributing to the firm's mission of creating spaces that enrich lives and environments.
Questions
What services does 450 Architects offer?
We provide architectural design for residential, commercial, educational, and public spaces, with expertise in sustainable and LEED-certified projects.
How do you involve clients in the design process?
We use collaborative workshops and transparent communication to ensure client visions are central to every design decision.
What sustainable practices does the firm prioritize?
We integrate Permaculture, Regenerative Design, and energy-efficient systems to ensure ecological responsibility in all projects.
What certifications hold your team?
Our principals are LEED Accredited Professionals and Certified Green Roof Professionals with extensive sustainable design experience.
Reviews (1)
Elaine Radcliffe
Aug 26, 2018 Report
Great, friendly atmosphere with a green agenda. Ton of experience to help clients on custom residential and thoughtful schools.