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Trusted Architectural Design Services in New York & New Jersey
Pfaff Architects is a full-service architectural firm dedicated to delivering comprehensive design solutions tailored to our clients' unique needs. With expertise in commercial, institutional, residential, and historic preservation projects, we guide clients through every phase from initial concept to construction completion. Our services include programming, feasibility studies, schematic design, construction documentation, and administration, supported by advanced tools like 3D modeling and energy analysis. As a LEED Accredited Professional firm, we integrate sustainable design principles to meet modern environmental standards. Our team collaborates with specialized consultants to form complete project teams, ensuring technical excellence and regulatory compliance. With licenses in New York, New Jersey, and Connecticut, we serve diverse markets including corporate offices, medical facilities, retail spaces, and religious institutions.

Our principal, William Pfaff AIA LEED AP, brings decades of experience and leadership in architectural review boards and professional organizations. We prioritize clear communication throughout the design process, maintaining transparency with clients and project stakeholders to achieve successful outcomes. Our portfolio demonstrates consistent success in transforming client visions into functional, code-compliant built environments. This combination of technical expertise, sustainability focus, and client-centered service establishes Pfaff Architects as a trusted partner for complex architectural projects.
Services
Architectural Design Project Management LEED Certification Historic Preservation Interior Design Energy Modeling Construction Documentation Code Compliance Feasibility Studies 3D Visualization
Highlights and features
  • We offer full-service architectural design from concept through construction
  • Our firm specializes in LEED-certified sustainable building solutions
  • Principal William Pfaff brings 30+ years of professional AIA-affiliated experience
  • We maintain active licenses in New York, New Jersey, and Connecticut
  • Our team coordinates with specialized consultants for complete project delivery
Associations and certifications
  • LEED
Services
Architectural Design
Our architectural design services encompass comprehensive planning and execution for new construction and renovation projects. We develop customized solutions that balance aesthetic vision with functional requirements. Through detailed programming and schematic design phases, we create code-compliant buildings that meet specific client needs while maintaining budgetary constraints.
LEED Certification
As LEED Accredited Professionals, we guide clients through sustainable building certification processes. Our expertise includes energy modeling, material selection, and systems analysis to achieve LEED standards. We help implement environmentally responsible solutions that reduce operating costs while maintaining design integrity across commercial and residential projects.
Historic Preservation
We specialize in preserving historically significant structures through adaptive reuse and restoration. Our approach combines modern functionality with original architectural elements while meeting regulatory requirements. Services include materials analysis, code adaptation, and construction documentation that maintains historical accuracy while ensuring structural longevity for protected buildings.
Project Management
Our project management services oversee all phases from concept to completion. We coordinate multidisciplinary teams, manage timelines, and maintain quality control throughout construction. By maintaining continuous communication between stakeholders, we ensure design intent is preserved while addressing technical challenges that arise during implementation of complex architectural projects.
Construction Documentation
We produce detailed technical drawings and specifications that translate design concepts into buildable plans. Our documentation packages include precise measurements, material specifications, and systems integration details. These comprehensive construction documents ensure accurate bidding processes and facilitate smooth project execution while maintaining compliance with local building codes and regulatory requirements.
People
William Pfaff
Principal Architect
William Pfaff AIA LEED AP is the founding principal with over 30 years of architectural experience. He holds professional licenses in NY, NJ, and CT, and has served as AIA chapter president and USGBC accredited professional since 2008.
Questions
What areas does Pfaff Architects serve?
We provide architectural services throughout New York, New Jersey, and Connecticut, with our main office located in Upper Nyack, NY.
Do you handle both commercial and residential projects?
Yes, our firm specializes in commercial, institutional, and residential projects including new construction, renovations, and historic preservation work.
Are you experienced with sustainable design?
Our principal is a LEED Accredited Professional with extensive experience implementing green building solutions and guiding projects through LEED certification processes.
What project phases do you manage?
We provide full-service architectural design from pre-design planning through construction administration, including design development, documentation, and bidding phases.
Can you assist with code compliance issues?
Yes, our team has extensive experience with building code analysis and regulatory requirements across multiple jurisdictions in the tri-state area.
Do you work with other design professionals?
We regularly coordinate with engineers and specialty consultants to assemble complete project teams tailored to each client's specific needs.