Building Design

At Concept Design Group, we specialize in innovative building design that harmonizes aesthetics with functionality. Our team collaborates closely with clients to create spaces that inspire and meet their unique needs.

Construction Services

Our construction services ensure that your vision is brought to life with precision and quality. We manage every aspect of the construction process, delivering projects on time and within budget while maintaining the highest standards.

Service for other Architects

We provide tailored services for architects, offering expertise in design development, 3d Renderings, Revit Drawings, project management.

Partner with us to enhance your projects and streamline your workflow.

Concept Design Group,

With you every step of the way, from start to finish on your building project



Established in 2003 by Mehdi Momen, Concept Design Group is one of Southern California’s premier Design-Build firms.

With deep roots in both Design and construction management, we specialize in creating inspiring spaces residential and commercial that reflect the unique vision and lifestyle of each client.

From modern minimalism to classic elegance, our diverse portfolio highlights our commitment to exceptional craftsmanship, innovative design, and functional beauty.

We’ve successfully designed and built projects across Northern and Southern California, always with attention to detail, efficiency, and quality.

Our dedicated team ensures every phase from concept to completion is guided by thoughtful planning, budget-conscious solutions, and a deep respect for timelines. At Concept Design Group, we don’t just build structures we build trust, creativity, and lasting value.

Our design-build approach offers a seamless experience by integrating both design and construction under one roof. From concept to completion, we manage every detail—ensuring clear communication, faster project delivery, and cost-effective results. This collaborative method eliminates the gap between architect and builder, delivering efficient, high-quality outcomes tailored to your vision.