Architect + ARCHITECtUrAL Interiors

A large house with a pool and a glass window.

Your Vision - Brought to Life

We have an intricate process that allows us to get to know your vision and communicate so that your dream becomes a reality. Contact us to go through our complimentary assessment that will help you understand exactly what you want and what you can expect to pay for your finished project.


Over 25 years experience in the Architectural design business.  Most of our clients are repeat customers and/or referrals from our clients and other industry professionals.
A building with two floors and glass balconies.

Services Offered

  • Custom Homes
  • Accessory Dwelling Units
  • Additions
  • Remodels
  • Interiors

How to make the process easy and enjoyable:

A living room with a large window overlooking the ocean.
We work closely with our clients to first listen, then design a project that meets and exceeds our clients wants and needs. Walking through a building with the client as it is being constructed; going over every detail so the client understands fully what is being built is one of our top priorities.  We are accessible; we want to be there with you for every step of your project. If you have questions, concerns, or fears, call, email, or text us so we can keep an open line of communication. Our job is to make the process as simple as possible  for our clients.

About Deborah

Ideal Design Systems was founded by its president and chief architect, Deborah Shewaga, who holds a Master’s Degree in Architecture  and is a licensed member of the California Architects Board. Our office is located in North County San Diego in La Costa. We extend our services throughout all of San Diego County. 

Portfolio Sampling

A wooden staircase with metal handrails and steps.
A large open living room with a table and chairs.

Let’s make something amazing together

Carlsbad, CA
(760) 560-6773
This was our first experience hiring an architect after designing and building two other houses ourselves. Working with Deborah was truly a great experience who also shared her design ideas with our contractor to keep everything on our ‘wish list’ in perspective.

The Mitchells


Deborah has designed 2 additions to our home over the past 4 years. She has an amazing eye, attention to detail and really listens to what her clients like. She did a seamless job of blending in old and new elements of the home.

Kristin Mayer

“I highly recommend Deborah to anyone who asks for a recommendation for an architect. We have worked with Deborah for remodels and also to design and build our dream home. Deborah is not only a talented architect, but she is extremely hard working, personable, knowledgeable and can confidently get the job done. We always feel like we are in good hands with Deborah.”

Jennifer Land