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oneil-logo-markOur Logo

THE CELTIC KNOT in our logo symbolizes our commitment to an interwoven relationship among client, architect, builder and subcontractors. It is our firm belief that this close relationship is necessary for a successful project.

I have worked with O’Neill Development for over twenty years on both new homes and renovations. By every standard – quality of workmanship, timely completion of work, and service after completion – they are at the top of the list. Because of that and because of the quality of of their job superintendents and subcontractors, they have become our go-to partner in all of our high performance and Passive House projects.
David PeabodyPeabody Architects

EPA Lead-Safe Certified Firm
Remodeling and Home Design

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