Home - CO Architects

HSIB wins 2020 American Architecture Award

Hensel Phelps + CO Architects win UCI Medical Center Irvine-Newport

Principal James Simeo Elevated to AIA College of Fellows

CO Ranks #2 on Los Angeles Business Journal’s “The List” of Architecture Firms

Cultural Change Management Informs Design

Satellite Design & Prototyping Lab

The Renovation of Sedgwick Hall – Narrative in Design

CO Culture: Who We Are

We design buildings that enrich people’s lives—places of lasting significance that appeal as fully to the spirit as to the intellect.