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Susan Thiel Design is a full-service design studio headquartered in Costa Mesa, California. We design homes from concept to completion all over Southern California.  We have a solid reputation for serving our clients with a concierge approach to design and we are consistently thinking outside the box, always collaborating, creating and growing in design.

We ensure success through educated design knowledge and valuable experience paired with tools and disciples of design. This includes floor plans, interior schematics and 3-D renderings. We design and specify cabinetry, tile, plumbing fixtures, appliances, hardware, lighting, furniture, window treatments and art. We have also do custom projects including lighting and furnishings.

We have designed more than 60 projects in luxury neighborhoods throughout Southern California and ranging in size from 2,000 sq ft to 23,000 sq ft. We love working with clients looking for a comfortable luxurious lifestyle. Paralleling our wonderful client relationships, we also serve builders and architects who are looking to develop luxury residences and commercial properties.

  • Newport Beach
  • Corona Del Mar
  • Laguna Niguel
  • Laguna Beach
  • Newport Coast
  • Irvine
  • Coto de Caza
  • Beverly Hills
  • Los Angeles
  • Dana Point


Susan Thiel has always had a curiosity and love of design and adventure. After spending most of her career working for a Fortune 100 company, she followed her passion and deep love of design and launched Susan Thiel Design in 2008. Growing up in both Chicago and San Francisco, Susan currently resides in Dana Point, CA with her husband and two teenage daughters. She is a second-generation designer, growing up watching her award-winning designer mother design and build numerous homes. And just like her mother, Susan is also an award-winning designer and general contractor.

Constantly embracing design and style, Susan has enjoyed traveling the world with her creative curiosity. She has spent 4-weeks at sea as well as a month hiking the Washington Forest with Outward Bound. Through these adventures, she has been able to hone her incredible skill of detail, color and materials and define her business philosophies.

  • Professional member of American Society of Interior Designers.
  • Executive Council Member Elevate:  Global Women’s Professional Network