San Diego County Adu Plans

Build Your ADU in San Diego With Our Pre-Approved ADU Plans

If you're in search of a top-tier, contemporary ADU design in San Diego County that's budget-friendly, Ten Seventy Architecture has you covered.

With our range of pre-approved San Diego County ADU plans, we offer a streamlined design and permitting process to kickstart your project with the utmost efficiency.

Pre-Approved Plans: The Effortless Way to Build Your ADU in San Diego

Ten Seventy Architecture is your partner in turning your ADU dreams into reality here in San Diego County. We specialize in modern architecture and have developed a hassle-free process to help you navigate the complexities of building an Accessory Dwelling Unit (ADU) in California. Constructing a high-end ADU in the City of San Diego has never been this efficient or affordable.

ADUs, aka Granny Flats, are becoming increasingly popular among homeowners and property investors in San Diego County. These versatile units offer the perfect solution for expanding your living space or entering the rental property market. Our ADU plans are designed to simplify the process of building an ADU, making it more affordable and accessible than ever.

Our pre-approved plans are carefully crafted to comply with San Diego County's intricate city codes, regulations and required structural calculations. This allows you to focus on selecting design details and customization options that will enhance your lifestyle for years to come.

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The Benefits of Using Pre-Approved ADU Plans

Our ADU building plans are expertly tailored to save you time, money, and stress while creating a modern and functional ADU in San Diego County. And while they are pre-approved, they still offer flexibility for customization, allowing you to add personal touches and make the design your own.

Build a Modern + Affordable Accessory Dwelling Unit

Our pre-approved plans offer high-end designs and details at an affordable price point. They provide the framework for your project, customized to fit your specific lot requirements.

Pre-designed and pre-approved San Diego ADU plans offer a cost-efficient way to build your ADU. For those interested in rental opportunities, our pre-approved plans can provide additional design value, allowing you to maximize your rental income.

Our streamlined process ensures that construction begins weeks earlier than traditional methods, saving you a substantial amount of money. We are committed to passing these savings on to you.
Photo of a modern renovation project by ten seventy architecture

Personalize and Build Your Unique + Permit-Ready Custom ADU

As ADU projects gain popularity in San Diego County, personalization becomes crucial. Our pre-approved plans include various customization options, enabling you to create a one-of-a-kind ADU to suit your needs. Whether you want a standard ADU, a two-story duplex, a balcony, or a smaller footprint to fit your lot, our plans can accommodate your needs.

Our pre-approved California ADU plans are designed with flexibility in mind, ensuring they can be tailored to your project requirements and lot size. Our architects prioritize efficiency and sustainability while maximizing livable space, regardless of your lot's orientation. To ensure all necessary steps are completed prior to starting the plan review process, in accordance with the county standard, we follow a clear checklist.

Whether you opt for standard ADU plans or custom plans, we've designed our plans to help you make sure all steps are completed and follow the regulations of the County of San Diego. This significantly reduces the cost of building an ADU, as it speeds up the permitting process and ensures your ADU plans in San Diego get approved.
Photo of a modern home in San Diego designed by Ten Seventy Architecture

Pre-Approved Adu Building Plans: An Efficient + Streamlined Process

Designing an ADU from scratch takes time and effort, especially if plans aren't designed according to country standard adu plan types. But with San Diego's pre-approved ADU plans, building an ADU in San Diego County has never been more efficient.

With our pre-approved ADU plans, your project can be designed, permitted, and completed up to three to four months faster than traditional methods.

Our pre-approved plans minimize the risk of delays or unexpected costs, as they are designed to meet specific codes and regulations, even for narrow lots as small as 25' wide.

After tailoring the plan to your lot size and incorporating any customization, we'll draft the final floor plans and submit them for permitting.Curious to see our pre-approved plans in action? Scroll down to explore our portfolio, including the Prince House ADU, the project that inspired these plans.
Photo of a modern ADU project in San Diego by Ten Seventy Architecture

Turn Your ADU Dream into Reality with Our Customizable + Pre-Approved ADU Plans

Book a Consultation With Us

Learn More About Our Architecture Studio + Options for San Diego ADU Plans

Share Your Project Goals with Us + Get Professional Guidance and Advice

Get Started Working With an Architecture Studio + Building Your Dream ADU

Our Portfolio of ADU Projects + Granny Flats in San Diego

With over a decade of experience, Ten Seventy Architecture has become a leader in San Diego County's architecture scene, specializing in creating stunning ADUs. Our pre-approved ADU plans, based on "The Prince House" project, showcase how you can achieve high-end designs at an affordable cost.

The Prince House

42nd Street ADU

Ticonderoga ADU

Main Street Development

The Everett ADUs

The Kenosha Residence

Casitas Harrison

Meet Our Team of San Diego County ADU Architects

At Ten Seventy Architecture, we prioritize your goals and feedback throughout the design process. Our modern architecture studio leverages a proven approach and the latest technology to deliver modern and functional designs that will delight you for years to come.

Founder / Principal Architect

Sean Canning

Sean is a graduate of NJIT, where he studied architecture + industrial design. He relocated to San Diego in 2009 to open the boutique architecture studio, Ten Seventy Architecture, focussing predominantly on modern, minimalist, + creative architecture. Sean has also won various awards for modern furniture he has designed.

  • California Registered Architect

  • LEED Accredited Professional

  • Bachelor of Architecture (NJIT)

  • Certification in Project Management (SDSU)

Profile Picture of Sean Canning - Principal Architect and Owner of Ten Seventy Architecture in San Diego, California

Project Manager / Permit Specialist

Margaret Canning

Margaret is also a graduate of NJIT, where she studied architecture + civil engineering. She relocated to San Diego in 2010 working at a LEED consulting firm before taking a job as a project manager in San Diego’s permit office for 5 years. Later she brought her skillset to Ten Seventy Architecture where she manages projects + permitting.

  • LEED Accredited Professional

  • Bachelor of Architecture (NJIT)

  • Masters of Civil Engineering (NJIT)

  • Certification in Project Management (SDSU)

Margaret Canning Profile Photo of Ten Seventy Architecture

Architectural Designer

Jen-Ni Lin

Jen-Ni is our Architectural Designer who works on projects which require greater graphic illustration. She works on our aesthetic commercial projects as well as small modern ADU projects that require tight planning and out-of-the-box thinking. Jen-Ni is a talented designer who can develop good ideas into beautiful architecture.  

Margaret Canning Profile Photo of Ten Seventy Architecture

Architectural Designer

Nolan Delgado

Nolan is the team’s Architectural Designer who works on custom residential projects which require the highest level of attention to detail. He has worked to refine our 3D printed study models as well as build templated architectural processes. Nolan brings a modernists rational to our projects.  

Margaret Canning Profile Photo of Ten Seventy Architecture

10+ Years of Experience
Helping Home Owners Build ADUs +Granny Flats

"Sean is the guy if you are looking for a San Diego architect. I was referred to him via a mutual business connection, and couldn't be happier with his work...The final product was phenomenal. I could not be happier. His work was not only exactly what I was looking for, but he did it in a timely fashion. "

Alexandra G.

"An element we loved about Sean was his ability to see creatively from the very beginning. And I can tell you that when we walked out of the meeting with Sean, we both looked at each other and said: “That’s the guy we want” And we’ve had no regrets ever since."

Tom R.

“5.000 stars. The recent opening of our ophthalmology practice has been a year in the making, and Sean Canning from Ten Seventy Architecture was integral to the successful design and execution of our space.”

Adam D.

“Highly recommend working with Sean, he is a licensed Architect who puts the customer's best interests first. I have worked with Sean on several projects, his thoroughness streamlines the project helping save money and time.”

Curtis P.

Grab Your FREE Guide to San Diego's ADU Regulations

Want to make your ADU project in San Diego simpler, cost-effective, and less frustrating? Explore our updated 2023 ADU project guide. It's designed to help you understand all the latest ADU regulations in the city.

This resource provides the complete ADU municipal code, and it's made easy to understand with explanations and visual diagrams. This means you can grasp the technical code while gaining expert insights into how these rules affect your project.

With this guide, you can assess the feasibility of your project and create a basic plan for your ADU. When you're ready, you'll feel confident reaching out to firms for project quotes. With this guide, you'll have everything you need to kickstart your San Diego ADU project planning.

San Diego ADU Project Guide Mockup

Frequently Asked Questions

What are the benefits of building a home addition in Los Angeles

Building a home or room addition in Los Angeles is a great way of adding square footage to your existing home. A room addition can make your home more valuable, both to you and on the market. Whether you need a larger family room, an in-law suite, or a home office, an addition can provide that extra room that improves your whole home.  We can help with every step of the process.

What does the design + permitting approach encompass?

Our integrated design + permitting methodology is a holistic approach where we manage your project from its conceptual phase right through to obtaining necessary permits. This ensures a streamlined, cohesive process, minimizing potential delays and ensuring consistency in the design and execution.

What type of room additions can you help with?

We can help you with any type of addition to your home. We work both with older homes and contemporary houses. We've found that almost every home and homeowner benefits from an addition to provide more space and create a larger area for loving your life and doing the things you love. Whether it is by adding space to the floor plan under one roof, or by adding a stand-alone ADU, an addition will also make the rest of the home feel more spacious.

Q3: Do you provide interior design services?

Yes, our team includes talented interior designers who work hand in hand with our architects to ensure the interior spaces are as meticulously planned and beautifully executed as the exterior.

Do you design Landscape Projects?

Certainly! Whether it's a residential or commercial landscape project, we've got you covered. In fact, we have extensive experience designing numerous commercial tenant improvement projects in the past decade. Feel free to reach out for assistance with your commercial project – we're here to assist you.

How do you handle unforeseen challenges during construction?

With our experienced team and proactive planning, we minimize unforeseen issues. However, in the rare occurrence of unexpected challenges, we address them promptly, ensuring transparency and communication with you throughout the process.

What’s the advantage of building an ADU?

Accessory Dwelling Units (ADUs) can offer additional living space, potential rental income, or a separate suite for guests or family members. They also add value to your property. With Los Angeles' evolving regulations favoring ADUs, they've become a viable option for many homeowners.

How involved will I be in the design process?

We believe in a collaborative approach. Your inputs, preferences, and lifestyle are integral to our design process. We ensure regular updates and seek your feedback at pivotal stages, ensuring the final design aligns perfectly with your vision.

Do you offer remodeling services?

Yes, we offer all kinds of remodeling services. Our premier remodeling designers have been in the remodeling industry for many years, and will help you ensure you project goes smoothly and is delivered in time and on budget.

Whether you're interested in a complete home renovation, a new master bathroom, a new bedroom, a home and room addition, accessory dwelling units, or architectural design, we're here to help.

Our interior designers can help you with your bathroom remodeling, kitchen remodeling, custom home design, or your whole home remodel. Through our design and build process, we also support with home remodeling contractor contacts and management.

What Else Can you Design?

We're here to assist you with both your interior and exterior design needs. Our portfolio spans a diverse range of projects, and we take pride in our track record of producing exceptionally beautiful designs and architecture in San Diego. Here are some examples of the services we offer:

- Residential architecture
- Commercial architecture
- Coastal homes
- Mixed-use properties
- Site planning
- Student housing
- Interior design
- Feasibility studies
- New construction
- Historic restorations