Anderson Design Group, Architects & Planners


Sean O’Connell, RA, AIA
Registered Architect

Mr. O’Connell is a Registered Architect with ADG Architects and has been with the firm since 2022. With more than 11 years in the AEC industry, he plays a central role on many projects in the firm’s portfolio, including Commercial, Multi-Family Residential, Single Family Residential, Industrial and Hospitality projects, and serves as the firm leadership’s go-to resource on all active work. Mr. O’Connell brings a deep understanding of architecture, from design intent and detailing to constructability. He works across all project phases, from schematic design through construction documents and construction administration, coordinating with Owners, Contractors, and Professional Engineering consultants. He has particular expertise in Revit and BIM modeling and assists in daily oversight of the Firm’s Revit Managers and Construction Documentation department.
EDUCATION
Delhi University of New York
CERTIFICATIONS
REGISTRATIONS AND TRAINING
Licensed Registered Archtiect: NY
MEMBER
National Council of Architectural Registration Boards (NCARB)
American Institute of Architects (AIA)
EXPERIENCE
11 Years in AEC Industry
4 Years with the Firm
OFFICE LOCATION
Montgomery, NY
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25 Wallkill Ave.
Montgomery, NY 12549

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E: Email us
P: 845.294.2724

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©2010 – 2025 Jason T. Anderson Architect, P.C. – Anderson Design Group, All Rights Reserved.

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