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    West Coast Building and Design

    5.0 (19 reviews)
    Open Open 24 hours

    Request a consultation

    Response time

    1 hour

    Response rate

    100%

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    Services - West Coast Building and Design

    Building additions

    Guest house or ADU construction

    Detached garage construction

    3 More Services

    Single-family home construction

    New structure construction

    New story addition

    West Coast Building and Design Photos

    Recommended Reviews - West Coast Building and Design

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    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 the first floor and ~1,000 sq foot grandparent's suite on the second story. It was a complicated build and we are incredibly happy with the results. Not only are we happy with the results, Rene stayed on budget and was great at communicating, reasonable and helped guide us through the process. He performed the services requested with quality work and provided great value.

    Catherine C.

    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.

    Front of the house
    Pritpal P.

    Westcoast Building and Design built my ADU, which turned up more like a custom home. This is probably the fastest that I have ever seen such a structure built from ground up. Rene Rivera is a professional contractor with decades of experience and it shows in the workmanship. They are reliable, friendly, and go the extra mile to make certain that you get your dream home built. Very competitive in their pricing for what they deliver, and never cut corners when it comes to the workmanship or materials they use. I shopped around before I signed the contract with them as none of the other contractors responded in the manner and professionalism as Rene Rivera. If you are considering building a home, or an addition, I highly recommend Westcoast Design as you will not be disappointed.

    824 Sapphire Street San Diego interior

    Great contractor to work with! Rene built a terrific house for me. It sold in less than 24 hours for 50k above asking price. He is not just a skilled builder but a really nice guy. He also contracts for a fixed price which includes an in house architecht and interior decorator. Moreover, he eats any cost overruns.

    Before
    Monique P.

    I hired West Coast for a concrete slab for a patio. He gave me a quote and started the job within a week. We are happy with the work and it looks great! Everyone who was on our property was respectful and cleaned up after the job was complete. They weren't the cheapest, but you get what you pay for! They were very reasonable and professional. I will definitely hire them again for future projects!

    ADU. (Granny Flat)
    Aurora I.

    If you're looking for a great value and great costumer service, This is the company for you! They just finished building my ADU 2 bedroom 2 bathroom kitchen dining and living room (open concept) Rene is always a phone call away. Their work speak for it self.

    Rene and his team built our 750 sq ft ADU. They took care of all permits, design, plans, and construction. Our project was quite complex including over 150 ft of trenching operations surrounding our entire main house and navigating the large number of state and local regulations regarding the upgrade of our electrical panel. Rene always displayed the highest level of integrity throughout the project and in the end it came out much better than we thought it would. I am not a very trusting individual but Rene earned my trust. I would definitely and most strongly recommend this company for any building project.

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    Rene R.

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    Rene R.

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    Rene R.

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    Rene R.

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    Rene R.

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    Rene R.

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    Ask the Community - West Coast Building and Design

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    Review Highlights - West Coast Building and Design

    We just completed our ADU and wanted to say thank you to Rene and his team at West Coast Building and Design.

    Mentioned in 10 reviews

    Read more highlights

    Friendly Remodeling - Ada  compliance bathroom remodeling walking shower

    Friendly Remodeling

    (64 reviews)

    We recently completed a full home remodeling project with Friendly Remodeling, and we could not be…read morehappier with the results. The project included bathroom remodeling, kitchen remodeling, new flooring throughout the house, and interior painting. From beginning to end, the entire experience was smooth, professional, and very well organized. Amit, the project manager, was outstanding throughout the entire process. His communication was excellent he always kept us updated on the timeline, progress, and every important detail. Anytime we had questions or concerns, he responded quickly and made sure everything was handled professionally. One thing that truly stood out was the quality control and attention to detail. The workmanship exceeded our expectations, and every part of the project was completed with care and precision. The crew maintained a clean and safe work environment every single day, which made the remodeling process much less stressful for our family. The project was completed on schedule, and the final results completely transformed our home. We are extremely satisfied with the quality of work and the level of customer service we received. We highly recommend Friendly Remodeling and Amit to anyone looking for a trustworthy and professional remodeling company. We will definitely recommend them to our friends, family, and neighbors.

    Very happy with my bathroom remodel. Nate the project manager was on top of everything and it was…read moredone with City permits.

    New Age Design And Build - Backyard Remodel in San Diego

    New Age Design And Build

    (49 reviews)

    Pacific Beach

    We recently completed a full backyard renovation with New Age Design and Build, and the experience…read morewas seamless from start to finish. Communication & Management: Communication was a major strength. Our project manager, Jose, was proactive and consistently on top of every detail. We always knew what was happening next, and any questions were addressed quickly. The owners, Simon and Yotam, were also actively engaged and accessible, which added a lot of confidence throughout the process. Execution of Vision: I had a very specific vision for this project--from the retaining walls for our planters to the creation of a dedicated lounge area near the pool. They also flawlessly handled the technical drip irrigation plan and integrated landscape lighting. They executed every element with precision. The pool coping, tiling, and surfacing work was particularly excellent and has completely transformed the space. Quality & Reliability: They handled everything end-to-end, making the project straightforward and low-stress. They were flexible with changes and responsive to feedback while keeping the project moving. The quality of work is evident in the final result--everything looks polished, intentional, and thoughtfully executed. Bottom Line: New Age stands behind their work and takes ownership to ensure the outcome meets expectations. If you're looking for a reliable, communicative design-build team that produces high-quality results, I'd confidently recommend them.

    We needed to replace a couple of wood gates and decided to try and get ahead of the Zone Zero…read morerequirements with stucco-coated brick walls with iron gates. New Age Design and Build were perfect! From the PM Adam Ahron to an amazing crew, the project went smoothly and turned out beautifully. I've had a number of neighbors complimenting the project. They fielded my questions, and the amount and quality of the work the crew did was impressive. I am happy to recommend New Age!

    West Coast Building and Design - contractors - Updated May 2026

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