Custom Architectural Design: Why It Matters for Your ADU/Home Addition/Garage Conversion

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When planning to build an ADU (Accessory Dwelling Unit), expand your living space, or remodel your home, investing in custom architectural design is one of the smartest decisions you can make. At Romex Design, we specialize in residential design services across San Diego, Riverside, and Los Angeles, providing tailored solutions that combine function, beauty, and code compliance.

What Is Custom Architectural Design?

Custom architectural design is more than just drawings—it’s a personalized roadmap for how your space should look, feel, and function. We design everything around you—your lifestyle, your property layout, and your future goals.

From optimizing the square footage of a detached ADU to designing a seamless home addition, our team ensures that your new space fits both your vision and the needs of your local jurisdiction.

Why It Matters—Especially in SoCal

Building regulations in Southern California are complex and vary by city and county. Whether you’re in Los Angeles, Riverside, or San Diego, local zoning codes, permitting processes, and energy compliance (Title 24) must be factored into the design from the beginning.

Our expertise across all three regions allows us to navigate:

  • Site planning based on local setbacks and lot conditions

  • Floor plans customized for comfort, efficiency, and resale value

  • Title 24 energy compliance & green building options

  • Full permit-ready construction documents

Romex Design: Regional Knowledge, Custom Results

We’ve worked with homeowners throughout Southern California, helping them unlock the full potential of their property through innovative, code-compliant design. Whether you're building an 850 sq ft ADU in Riverside, converting a garage in LA, or adding a modern home extension in San Diego—Romex Design delivers.

Get Started with Confidence

Let’s design something great together. From concept to permit approval, Romex Design is here to make your dream home real—with a process that’s clear, collaborative, and customized to your city.

📞 Reach out to Romex Design today to schedule a consultation in San Diego, Riverside, or Los Angeles.

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Can I Build an ADU on My Property in San Diego? Here’s How to Find Out