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Your East Bay ADU Builder

Manzanita Design Build specializes in building accessory dwelling units (ADU) in the East Bay. We are a dedicated group of designers and builders with the expertise required to make your custom ADU a reality. We’re passionate about designing and transforming a forgotten space into a functional and  beautiful ADU that meets your unique needs. Whether you desire additional space, a home office, rental income, or a guest house for loved ones, we’re here to help.

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Your Local Bay Area ADU Builder

Manzanita Design Build specializes in building accessory dwelling units (ADU) in the Bay Area. We are a dedicated group of designers and builders with the expertise required to make your custom ADU a reality. We’re passionate about designing and transforming a forgotten space into a functional, beautiful ADU that meets your unique needs. Whether you desire additional space, a home office, rental income, or a guest house for loved ones, we’re here to help.

Building an ADU

Building an ADU can feel daunting, but with Manzanita Design Build, you're in good hands. We're not just familiar with the East Bay's zoning and permits; we’ll navigate them with ease. Our team is eager to work with you on designing a space that's both inviting and practical. As one of the most experienced ADU companies in the bay, we’ll be your guide through the ADU building process.

Finding the right fit for your ADU design & construction project

If you find yourself nodding along to any of the following, you’re in the right place:

  • You’re looking to maximize your property’s potential with an ADU.
  • You love quality, craftsmanship, and attention to detail.
  • You value clear communication and transparency throughout the building process.
  • You’re looking for an accessory dwelling unit builder who understands local regulations for ADUs in the East Bay.

Why choose Manzanita as your ADU Builder?

We're more than just a custom ADU builder; we're also your partners in the design and building process. We are passionate about building warm, light-filled and energy efficient spaces. We take pride in our transparent communication, meticulous attention to detail, and commitment to our craft.

Ready to talk about your ADU project?

Looking for a reputable ADU contractor in the East Bay? You're in the right place. Let's have a chat about your ADU ideas and how we can turn them into reality together.

Contact us

"Ben & Manzanita Design Build created a splendid house for us. Every aspect is beyond our hopes and expectations. Ben’s design captures so much of what we asked for, both in function and feeling. And it adds so much we couldn't even have thought to ask for, in the way of grace and style and symmetry and presentation, indoor and outdoor."

Project:
Harwood
-
ADU

"Ben was great at helping us make critical decisions that would keep the project on track and ensure our new space was aligned with our tastes. We visited showrooms multiple times with him to look at certain materials like tile and flooring, and we valued his taste and input on the advantages and costs of some choices over others. Manzanita Design Build is very pleasant and professional to work with, we can’t recommend them more highly."

Project:
Ridge
-
ADU

"Integrated design and construction helped us to quickly resolve a number of complicated structural and electrical issues and make timely decisions that helped keep the project on track. Ben’s keen eye for finishes and penchant for integrating woodwork wherever possible helped create a modern yet warm space that complements the rest of our house and is totally in tune with the Oakland hills."

Project:
Ascot
-
ADU

Our process for building an ADU in the East Bay

We’ve streamlined our process to make building your custom ADU as smooth as possible.

First meeting

You have a good idea for your dream ADU. Contact us. We will work with you to evaluate your project and visit your home for a free consultation.

Design & budget

We create a contract that allows us to do preliminary design & budgeting work. We agree upon design, what it costs & a realistic timeline before you need to commit to a full project

Architectural plans

We move forward with full architecture work & engineering with the goal of permit submission.

Permitting

While permits are processed we can start to fill in the details. This includes the design as well as material selections & construction planning.

Construction

We will have a dedicated project manager on site daily and we’ll keep you informed as you move through each phase of construction.

Move in

Congratulations on your new ADU (we think it's one of the best ADUs around!). We are still available to help with any questions or issues that arise as you settle in.

First meeting

You are working with an architect or design professional on your home. We integrate with the team to help inform your design process, and ensure things keep moving ahead smoothly.

Cost & planning

We can provide budget & construction planning at all levels of the design process. Understanding the costs associated with your design early can avoid expensive changes later in the process.

Scope of work

As your plans move towards approval, we create a detailed scope of the entire project to complement the design. This provides additional clarity to the project and highlights elements needing selection or further detail.

Construction

While permits are processed we can start to fill in the details. This includes design as well as material selections & construction planning.

Move in

Congratulations on your new home! We are still available to help with any question or issues that arise as you settle in.

Construction

Construction can be messy and confusing. We will have a dedicated project manager on site daily and keep you informed as you move through the construction phase of your project.

Move in

Congratulations on your new home! We are still available to help with any question or issues that arise as you settle in. Enjoy!

Building ADUs throughout the East Bay

As one of the best ADU companies in the East Bay, we have expertise in numerous communities. No matter where you are, we will help you make the most of your property.

East Bay
East Bay
Berkeley
Berkeley
Oakland
Oakland
Piedmont
Piedmont
El Cerrito
El Cerrito
Albany
Albany
Orinda
Orinda
Alameda
Alameda
Lafayette
Lafayette

Common questions about ADU building in the East Bay

Have questions about building an ADU in the East Bay? We've heard them all and have the answers.

How does building an ADU affect my property taxes?
Can I rent out my ADU, and if so, are there any special considerations or regulations?
How long does the construction process take from start to finish?
How much does it typically cost to build an ADU in the East Bay?
What permits do I need for ADU construction and how do I obtain them?
How big can my ADU be and are there any design restrictions?
What are the zoning requirements for building an ADU in the East Bay?
What is an ADU and what are its benefits?

Your resource for
ADU building knowledge

Get expert advice and inspiration from accessory dwelling unit contractors: designed to help you navigate the ADU building process with confidence.

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Ready to chat about your ADU?

Looking to build one of the best ADUs in the East Bay? We’d love to help. Reach out and we’d be happy to answer your questions and discuss how we can help bring your vision to life.

Contact us
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Fully licensed & insured
CA Contractors License #1034108
Manzanita Design Build is a DBA for CA S-Corporation Temescal Design Inc
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