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OSA Main Office

O'Sullivan Architects is a full-service architecture firm with expanded management. We specialize in both residential and commercial projects throughout New England. Our team is dedicated to providing personalized and innovative design solutions that meet our clients' unique needs. With years of experience in the industry, we have built a reputation for excellence and strive to meet our clients' expectations. Let us help bring your vision to life.

Our Team

Our Design Process

At O'Sullivan Architects, we believe that every project is unique and deserves a personalized approach. OSA's design process begins with a thorough understanding of our clients' goals, needs, and budget. From there, we work collaboratively to create innovative and functional designs that strive to meet our clients' expectations. OSA is committed the attention to detail and ensuring that each design is tailored to the specific needs of our clients. Our team of professionals will guide you through every step of the process, from initial concept to final construction. Let us help you turn your dream into a reality.

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