Build Your Dream ADU or Home Addition in San Diego & Los Angeles

Get Your ADU/Addition Plans Submitted in Just 3-Weeks!

Call Us Now At:

+1 (619) 972-7839

Fast and Affordable ADU & Home Addition Design Services

Download The Homeowner's Guide to Adding an ADU/Addition

Your First Step Toward Building Your ADU/Addition is Now Completely FREE...

This isn't just a guide; it's your roadmap to increasing your property's value, and creating an additional stream of passive income.

(Why wait? Get started with this guide and transform your property's potential today. It's a no-brainer – it's free!)

Innovative Design Solutions Tailored to Your Vision, with Expertise in ADUs/Additions

As a General Contractor and/or Homeowner, you know that time is money.

At Romex Design, we specialize in providing fast and reliable design services that meet your deadlines.

Our commitment to a 3-week turnaround time means you can keep your projects on schedule without compromising on quality.

We Make The Process Easy For You

Preliminary Design

We work with you to establish the project’s concept and develop the initial design, ensuring compliance with local regulations and obtaining planning department approval.

Building Plans

We develop comprehensive design plans, including detailed drawings, energy calculations, and integration of structural engineering to create a complete submission package.

Permitting

We manage the permitting process, preparing and submitting all required documents to ensure approval from local authorities, facilitating a smooth path forward for your project.

Why Choose Romex Design?

Fast Turnaround: We understand the urgency in the construction industry. Our experienced team is dedicated to completing your design plans and submitting them to the city within three weeks, so you can start building sooner.

Lowest Price Guarantee: Quality shouldn’t break the bank. We offer a lowest price guarantee on all our design services, ensuring you get the best value without sacrificing quality. If you find a lower price for comparable services, we’ll match it!

Expert Guidance: Navigating the permitting process can be complex, but you don’t have to do it alone. Our knowledgeable team will guide you every step of the way, ensuring all necessary approvals are secured swiftly and efficiently.

Turning Plans into Reality, Quickly and Affordably!

Romex Design, based in San Diego, is a multidisciplinary team of experienced designers and engineers dedicated to transforming ideas into valuable, functional spaces throughout Southern California.

We specialize in residential projects—including homes, additions, and ADUs (Accessory Dwelling Units)—as well as commercial improvements, leveraging our expertise to create designs that are both visually striking and financially advantageous.

Our goal is to help clients across the region maximize their investment by providing design solutions that save costs, increase property value, and generate potential income.

We pride ourselves on being one of the fastest and most efficient teams in the industry, striving to keep our costs as low as possible while maintaining the highest standards of quality.

At Romex Design, we manage every aspect of each project with the utmost professionalism, ensuring a streamlined, stress-free process.

We bring your vision to life in ways that meet your needs, respect your budget, and support your financial goals, making each project a smart, lasting investment.