We Build Granny Flats

SnapADU specializes in designing & building accessory dwelling units (ADUs) in Greater San Diego. As general contractor, we handle the entire ADU development process... from initial planning & budgeting, architectural design & engineering, permitting, to building your ADU. We work with both standard floor plans and customization. Our ADU design experience & construction techniques enable us to build ADUs that are economical & attractive.

With nearly a decade of custom home building experience and stellar client feedback as general contractors, we're excited to focus exclusively on ADUs. We're bringing all of our design, building, permitting, project management and customer service expertise to your ADU project. We're proud to offer our clients the best value ADU in Greater San Diego, including Oceanside, Carlsbad, Encinitas, Vista, San Marcos, Escondido, Fallbrook, Solana Beach, Del Mar, Poway, and surrounding areas in San Diego County.

We think about accessory dwelling units all day long and are ready to help you with your project!

We Handle Your Whole ADU Build Process

Feasibility & Budget

What can you build on your property? How much will it cost? We are ready to dive into your project goals so we can answer questions and get into numbers right away.

Architectural Plans

We’ve created many standard ADU designs to maximize space utilization & construction efficiency… so you get more out of your budget. We can also modify plans to fit your unique needs.

Permit Processing

We prepare all plans and paperwork for submission. We work with the town to ensure plans swiftly pass through required zoning and building permitting processes.

Design Selections

Our curated interior & exterior designs create a cohesive look for your project. Choose from our catalog of styles, or work with our designers to customize a look just for your ADU.


We handle the entire construction process, from breaking ground all the way to the final walk-through to make sure your ADU exceeds your expectations and is built to last.

Project Management

Our systems and processes keep your job running smoothly and give you visibility on progress. You can approve design choices and pay invoices right from your phone or computer.


We work with lenders who focus exclusively on ADU loans and who have vetted us as an approved ADU builder. We ensure you have the documentation you need to get funding.

Rental Support

Planning to rent out your ADU? We can help you with a design to maximize rent potential. We also partner with corporate housing companies who make great tenants for steady rental income.

Find Property

Looking to buy a property and build an ADU? We can help you assess feasibility & cost of adding an ADU to property so you can make an informed purchase decision & start planning.

Floor Plans

SnapADU 1BR/1BA 30×16 Long
1 Bed • 1 Bath • 495 ft2
SnapADU 2BR/1BA 28×27 Square
2 Bed • 1 Bath • 749 ft2
SnapADU 3BR/2BA 39×30 L-Shape
3 Bed • 2 Bath • 999 ft2

Featured ADU Tour

“The level of service and quality of work surpassed all my expectations. I’m so glad there are still companies who are focused on customer satisfaction.”

– Paul | Oceanside | August 2021

Where should I start?

There's a lot to consider when building an ADU and we want to make it easier for you. Clients come to us at all phases of their ADU project... just starting out, ready to go and looking for a builder, or somewhere in between. Choose a path below to get started on the content most relevant to you.

I'm new to the ADU thing.

Just learning about ADUs? Wondering if an ADU makes sense for you? We can help you get up to speed on the relevant regulations & share what they mean for your ADU costs in San Diego.

I'm ready to build an ADU.

Ready to get a proposal for an ADU? You've come to the right place. We will look at your property specifics and prepare a proposal to design and build your ADU.

I'm considering ADU options.

Still thinking about ADU construction options? Not sure where to start in the design process? We'd be happy to talk feasibility & cost, plus walk you through the whole process.


From our Blog: How To Find An ADU Contractor

Check our our list of what to look for in ADU contractors, plus how to have a good experience building your accessory dwelling unit... whether you build it yourself, hire a contractor, or something in between.

How to find a Good ADU Builder