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Guest House Builders in Clayton, CA

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Service Pros

    GB
    Walnut Creek, CA·

    Concrete and Masonry, Decks and Railings, Additions and Remodels , and 1 more

    "Me and my husband looking for contractors, after long research we found GPI Builders and they provide the best service. We did remodeling to our bathroom and master bedroom. They also gave us a great design! The crew pay attention to every details + responsive very quickly to any issue we had. Thanks!!!"

    Jennifer G. in December 2021

    RC
    Tracy, CA·

    "He did a great job. Great customer service and he used good materials. My mother-in-law loved his job. Perfect pricing."

    Masoud M. in October 2021

    Creation 7 Builders Logo
    Walnut Creek, CA·

    Demolition and new build of of concrete slabs, patios, driveways and walkways., Additions, Kitchen and Bathroom remodeling, All kind of Hardscape/landscape , stamp cement and pavers.

    "I recently searched for a contractor to remodel various rooms in my home in Lafayette, California. After interviewing several contractors, my cousins in Walnut Creek recommended Avi Matalon, RMO of Creation 7. They had Avi rebuild a guest house on their property which had been demolished by a large fallen Oak Tree. After seeing Aviâ s work and meeting with him, I hired him immediately. Avi and his team worked professionally, were most respectful of my home and did an outstanding job on my project. As construction projects go, we ran in to various issues throughout the job, such as Asbestos, which required professional abatement, an issue on the other side of our home completely unrelated, needing immediate attention due to the rain, and the ability to obtain siding which was no longer made. Avi was able to deal with and take care of all issues that came up during the remodel without incident. Avi always put me first in terms of ensuring I was kept informed and was comfortable with the work being done. He remained proactive throughout the project and visited my home some weeks daily to ensure all was going to perfection. He always remains calm, professional and has the most incredible demeanor of anyone I have ever worked with on a business level. I HIGHLY recommend Avi and his company for your remodel needs. Again, as issues come up, Avi is the man you want for your home remodel project."

    L B. in December 2019

    Step Up Construction Logo
    San Jose, CA·

    General Contractor

    "Gabriel and his team did a Fantastic job.!!!"

    angel F. in November 2024

    Carpio Renovations, LLC Logo
    Pittsburg, CA·

    "Arturo and his team did an excellent job remodeling my master and guest bathrooms. His estimates are fair, he communicates well throughout each project, and he and his team do what they need to do to deliver. He is on top of the job, even when he’s not there and is very responsive. I also like that he knows when to involve the client and when not to. I never felt a need to meddle on a daily basis knowing he would advise me if a decision or change was needed. Plus, he is just a really nice guy!"

    Jan K. in January 2025

    Better Home Remodeling Logo
    Oakley, CA·

    Additions and Remodels, Small Repairs, Remodeling , and 3 more

    "Gerard and his team were awesome. They provided an estimate, gave us a timframe and completed everything as discussed. They remodeled two bathrooms and a bedroom. Everyone that came to our house was professional and easy to communicate with. We never felt like we didn't know what was going on. He kept everything transparent and there were no surprises when the bill came. Better Home Remodeling is the only company I would refer anyone to to repair/remodel your home."

    Vanessa E. in November 2019

    EA Home Builders, Inc. Logo
    Concord, CA·

    "We hired EA Home Builders to renovate our guest bathroom - and they did a great job for us. The two gentlemen they hired for our job were skilled professionals. They said it would take about a week and it did these guys showed up on time every morning and worked all day (with a half hour break for lunch). And at the end of each day, they meticulously cleaned up the inevitable mess of the day. Without a doubt I would use EA Home Builders again for our next project."

    BDA79407F1087C1F6D4DFF088590085F670B683F1FEF9046862B9EEFCD70C047 7. in February 2025

    ALC Construction Logo

    Remodel Kitchen and Bath, Tile, General Contractor , and 1 more

    "Cecilio worked in my kitchen for a time of two weeks to demolish and replace full kitchen and cabinet replacement. He did a wall of tile backsplash added two more interior outlets and interior lighting. He went to compare prices and was able to stay with in my price range. Professional from the start respectfully young man he kept job site clean. Very responsible if any changes he would contact me right away if needed an approval. I recommend him for any future jobs and to many of my friends and family."

    rosendo L. in January 2025

    SC
    Dublin, CA·

    "I had a great experience with my guest house from SmartBuild, they did everything on time and with quality, the workers were also professional. I would highly recommend doing your project with them!"

    Val H. in July 2024

Showing 1-9 of 16 results

Frequently asked questions

  • It’s important that you verify their license is still in good standing. Also keep in mind that certain states or provinces don’t require licensing if the job is under a certain dollar amount.
  • You can find a list of your state’s licensing requirements on the HomeAdvisor website. Before you get to work with the pro, make sure their qualifications are current and acceptable to you.
  • It is always a good idea to get a copy of the pro’s insurance certificate for future records, and in case anything happens. This is a good way to feel more secure in your home project, and to weed out potential scammers.

HomeAdvisor makes it easy to connect with pros near you. You can read reviews, get quotes and book appointments all in one place.

Depending on the type of project, you may find subtle differences in the hiring process. Here’s a look at task-specific advice.

You can use HomeAdvisor to help evaluate a contractor’s qualifications. We put pros through a screening process, and award badges to high-performing contractors. You can find these badges on a pro’s HomeAdvisor profile, and sometimes, his or her website. 

Your research doesn’t stop here. Once you’ve found a few prospective companies, make an call to ask a few questions about work history, licensure and more:

  • Have you completed a job like this before?
  • Do you have a list of references I can contact?
  • When are you able to start the job?

In most cases, the responses you get to these three questions will give you a very good idea of the right pro for your project. If you have more than one front-runner, these additional questions can help you narrow it down. 

  • How many years of experience do you have?
  • What’s your permanent business address?
  • Are you licensed to work in my area?
  • When did you earn your business license?
  • How do you handle warranty service complaints?
  • Do you have worker’s compensation, property damage and personal liability insurance?

Any good contractor will answer these questions, and most will appreciate dealing with a client that takes such an active interest in finding good service. On the other hand, if a contractor gives you a hard time with these questions, you probably want to find someone else.  

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Things to Consider Before You Build a Guest House in Clayton, CA:

What best describes this project?

    What type of guest house/casita addition will this be?

    • Detached addition
    • Addition attached to home
    • Remodel existing space

    Select the rooms included in this project:

    • Bathroom
    • Kitchen
    • Bedroom(s)
    • Living/Family room
    • Laundry/Mud room
    • Deck/Porch

    Do you provide these professional services?

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