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West Coast Building And Design are your ADU and custom home Builders
824 Sapphire St San Diego interior
3 BR 2 BA ADU with attached garage
2 BR 2 BA 700 SQFT ADU
West Coast Building and Design Contractor

(5 Star Review) Catherine C. says about West Coast Building and Design, "I hired West Coast Building and Design to build a multi-generation complex for my family. This review is part 1 of 3 projects. The first project was for a 1200 square ft ADU where I would live. When we first started the ADU the projection for completion was 6 months. Unfortunately, we were just at the tail end of the pandemic and there were many delays from the city, SDG&E, supply chain issues and an unusually very rainy season. I'm grateful to have had Rene as the builder because he found ways to work around some of these issues. He listened to what I wanted - even if it meant changing and redoing a few things. I am now living in my beautiful home. I look forward to Rene starting on the next project: converting a garage into my disabled son's sensory/OT room." We are your affordable ADU company. Proudly backed by Yelp Guaranteed! We Specialize In Affordable Accessory Dwelling Units - ADU Design Build - New Construction - Additions - Land Development Over the last 30 years I have built over 350 additions and dozens of custom homes and multi-family projects here in San Diego. I have a Real Estate Land Development background as well as experience with Consulting and Project Management – I hold a Bachelors Degree in Project Management. We are putting our knowledge and experience into every design and project to benefit our customers.

Website: westcoast-adu.com

Phone: (619) 823-5763

Cross Streets: Between Stoyer Dr and Carlton Oaks Dr

Interested in our services?

Open now

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9360 Carlton Hills Blvd Santee, CA 92071 ·2145.12 mi

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Reviews

yelp
5.0 18 reviews
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Tiff Z. 04/14/26

Ever since I bought my home 11 years ago, with its big sloping backyard, I knew I'd want to develop the unused space someday. I contacted West Coast Building and Design, and we brainstormed...

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Pat C. 04/14/26

I had West Coast B&D build my attached ADU and can recommend Rene and crew to anyone considering this type of project. Rene gave a fair price and is honest as well as an all-round good guy. His...

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John S. 06/28/24

I hired Rene to build a 1200sf ADU w/ a 2 car garage. One thing I really liked about Rene is that he is a man of his word. What I really appreciate was his responsiveness to all my communications;...

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George S. 06/18/25

I recommend West Coast Building and Design. We selected West Coast Building and Design to demolish an existing detached garage and build a custom, Spanish style, 2-story structure with a garage on...

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Catherine C. 07/26/23

I hired West Coast Building and Design to build a multi-generation complex for my family.  This review is part 1 of 3 projects.  The first project was for a 1200 square ft ADU where I would live....

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