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14 Years In Business

Company Details

  • Verified Licenses


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Service Details

    Areas of Expertise

    • Architectural Design
    • Accessory Dwelling Units (ADUs)
    • Residential Custom Homes & Room Additions
    • Commercial Buildings and Tenant Improvements
    View All Offerings and Cities Served

    Cost Information

    • Free Estimates


    37 Verified Reviews
    • 5
    • 4
    • 3
    • 2
    • 1

    Highly rated for

    • Quality
    • Value
    • Customer Service
    Showing 1-10 of 37 results
    5.0 Danielle P. Fountain Valley, CA

    Working with Jonathan at Design X Architects was the best decision my family made. Through seasons of busy schedules and illnesses, Jonathan has been patient with us and never pressured us to move faster than we were comfortable with. He is extremely creative and always takes our perspective into consideration when creating his designs.

    5.0 Jim R. Huntington Beach, CA

    Jonathan and Design X Architects provided excellent service for our modest residential project. While small, our project brought with it certain complexities which were addressed skillfully and professionally. A major objective of the assignment was to clear City Plan Check with few corrections. The plans submitted accomplished that intent, as no plan check corrections were imposed and the plans were approved based on the initial submittal. Jonathan was clear in his communication and delivered exactly what he said he would do â always on or ahead of schedule. Speaking as an Architect myself, I would entrust a project of any size to this firm.

    5.0 Shawn S. Costa Mesa, CA

    I hired X architects in more than 8 or 9 projects and itâ s was a peace of mind just to give him the projects and let him deal with the creative design and the city requirement he handle the project professionally I will recommend him for any future projects

    5.0 Richard H. Irvine, CA

    Jonathan is a great person to work with. He took extra steps to satisfy me while I was on vacation.

    5.0 Richard H. Irvine, CA

    I couldn't be more happier with Jonathan's service. He is an awesome pal to have on your side.

    5.0 Allen c. B. Orange, CA

    Jonathan was responsive, diligent, professional, and flexible. We’re thrilled with the results.

    5.0 Loretta L. Santa Ana, CA

    Design X was hired to design an ADU in Orange. We had revisions to avoid the excessive city and school taxes. Jonathan was responsive and diligent with his work. I cannot speak for the "value for the money", because I didn't shop around much. Overall, I would recommend his services.

    5.0 Tina clarence C. Mission Viejo, CA

    This was my first time hiring an architect and I couldn't be more impressed. Jonathan is knowledgeable, professional and responsive. I'm very please with the work he did.

    5.0 Doug W. Lake Forest, CA

    Working with Jonathan has been a dream. This is the first time I've ever needed and architect and engineering for a home project, and wasn't sure what to expect, but Jonathan was great. He was incredibly patient with the adjustments and revisions that came with the process and pointed out some ideas that I never would have thought of on my own. As a bonus, the plans sailed through the city plan check, getting approved the very next day with no comments. I strongly recommend DesignX.

    5.0 Harry L. Orange, CA

    Jonatan was a great asset to our Project. Constant and prompt communications kept our project moving forward. Highly recommend Design X and Jonathan Ma.


    Design X Architects
    Home Remodel - Newport
    TI - El Gran Pollo
    Home Renovation

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