Firm History

Through 30 years of experience, Charles Silbernagel and ClS Architects has acquired a wide knowledge and understanding of the industry. Over the years, the company has successfully obtained a high number of satisfied clients. ClS Architects’ design team will expedite the process from the owner’s initial thoughts and dreams to the desired finish product. We have a reputation of quality work and detailed construction documents that deliver a predictable on-time and accurate construction phase. This allows us to maintain the budget controls while still obtaining the client’s overall goals and objectives.


ClS Architects has an outstanding history in residential and commercial design and strives to create a professional-client relationship based on comprehensive communication. The firm has a strong commitment to affordable and energy efficient projects. We are dedicated to a belief that our inspired surroundings should have positive effect on people’s lives. Therefore, the materials selected play a key role in maintaining a cost-effective and sustainable life cycle. ClS Architects continues the extensive practice in the union of architecture and interiors with commitment to every project.

Meet the team

Design Philosophy

The firm of ClS Architects has been in the architectural practice of residential and commercial design since June 1990. This firm is a professional design group dedicated to the passion and integrity of innovative, resourceful, and inspired design. ClS Architects is driven by a dream to create environments where people can live/work in harmony with their surroundings.


ClS Architects offers a full range of professional architecture services, including construction observation, historic preservation, expert witness, and interior design. Our services are sure to add a heightened experience to any project and provide value to our ever-expanding clientele base.


Our work reflects our knowledge of how spaces and people interact with one another. We value quality product and inspired design, which sets our firm apart. We deliver them across our regional market with a excellent standard of service.

Construction observation

Historic preservation
Expert witness

Interior design