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Business Details
23 Years
experience
Your Trusted Architectural Partner in Westchester County
Founded in 2003, sasaki+spade architects combines over four decades of collective experience in architectural design and real estate development. Our firm specializes in creating harmonious spaces that balance aesthetic innovation with functional efficiency while prioritizing sustainable practices. We hold LEED accreditation and expertise in Passive House methodology, achieving energy reductions exceeding 75% in building design. Our team brings specialized knowledge in residential, commercial, and institutional projects across Westchester County, Fairfield County, and New York City.

With licensed architects in New York and Connecticut, we maintain rigorous professional standards through American Institute of Architects membership. Our collaborative approach ensures seamless project execution from initial concept through construction completion, supported by deep technical expertise and industry relationships cultivated through partnerships with prestigious firms like Kohn Pedersen Fox and Tishman Speyer Properties.
Services
Residential Projects Commercial Projects Institutional Projects Conceptual Design Sustainable Architecture
Details
  • Year established: 2003
Highlights and features
  • We offer 20+ years of experience in sustainable architectural design
  • Our team includes LEED-certified professionals with Passive House training
  • We provide full-service architectural solutions from concept to completion
  • Our principals hold licenses in multiple states with AIA membership
  • We combine creative design with technical expertise from top firms
Associations and certifications
  • LEED Accredited Professional
Services
Residential Projects
We create custom residential spaces that balance aesthetic innovation with functional living requirements. Our expertise spans new construction, renovations, and additions across Westchester County. Each project integrates sustainable materials and energy-efficient systems while maintaining architectural character.
Commercial Projects
Our commercial architecture focuses on creating productive work environments that reflect brand identity. We specialize in mixed-use developments and office spaces that optimize workflow efficiency while meeting strict building codes and accessibility standards across New York City and surrounding areas.
Sustainable Architecture
We implement Passive House principles and LEED-certified practices to reduce energy consumption by 75% or more. Our sustainable approach incorporates renewable materials, natural lighting strategies, and advanced insulation techniques while maintaining design integrity across all project types.
Conceptual Design
We develop visionary architectural concepts that address site-specific challenges and client requirements. Our process begins with thorough analysis of zoning regulations, environmental factors, and spatial needs to create innovative solutions that guide successful project execution.
Institutional Projects
We design functional institutional spaces that serve community needs while maintaining architectural excellence. Our experience includes educational facilities and civic buildings that balance accessibility requirements with aesthetic considerations in both urban and suburban settings.
People
William R. Spade
Co-Founder
Licensed architect in New York and Connecticut with LEED accreditation. Holds architecture degrees from University of Cincinnati and MBA from NYU. Brings combined architectural and real estate development expertise from Kohn Pedersen Fox and Tishman Speyer Properties.
C. Keiko Sasaki-Spade
Co-Founder
Licensed New York architect with Master of Architecture from UCLA. Specializes in sustainable design components and creative problem-solving. Previously worked with DMJM and Kohn Pedersen Fox Associates, bringing refined design sensitivity to all projects.
Questions
What architectural services do you offer?
We provide full-service architectural solutions for residential, commercial, and institutional projects including design, permitting, and construction phase support.
Do you specialize in sustainable design?
Yes, we incorporate Passive House principles and LEED-certified practices to achieve 75%+ energy reductions while maintaining design integrity across all project types.
Which areas do you serve?
We primarily serve Westchester County, Fairfield County, and New York City, with completed projects in Chappaqua, Armonk, Greenwich, and Manhattan.
How do you approach project management?
We maintain continuous client collaboration throughout design and construction phases, ensuring alignment with budget, timeline, and quality standards from concept to completion.
What makes your firm unique?
Our combination of LEED-certified expertise, Passive House training, and experience with top-tier firms provides distinctive solutions balancing creative vision with technical precision.