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Guest House Builders in Berkeley, 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

    Treasure Construction Logo
    Pinole, CA·

    Additions and ADUs, Earthquake Retrofitting, Bathroom Remodels , and 2 more

    "Treasure construction is the best. Robert is easy to work with, very knowledgeable and is willing to listen and works with you. I still love my kitchen he did and they also did 2 bathrooms for us. Good communication skills. We always knew what was happening. We use them for all our construction needs"

    Yasmin K. in November 2024

    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.

    "My kitchen remodel has just been completed by CREATION7, and I am very very pleased. I called the company on August 1st of 2017, and three weeks later we signed a contract. Two weeks after that we started demolition. The project took twelve weeks to complete, and that included demolition of the entire kitchen as well as tearing down a wall and a fireplace. My project manager, Yaniv, could not have been more helpful. He was patient as I asked many (many, many) questions, included me as he came up with ideas and suggestions, took into account my own ideas and desires, and designed a beautiful space. He gave me recommendations on where to buy appliances and approximations on how much to spend on each one, as well as suggesting where to look for backsplashes, countertops and flooring. He drove me down to the cabinetmakers to see the cabinets. The workers were polite and friendly. The engineer was meticulous and always available to explain what he was planning to do. Yaniv told me he would create a “gorgeous” kitchen for me, and he really did! I highly recommend this company."

    Kay C. in December 2017

    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

    MD
    Oakland, CA·

    Home Remodeling and Renovation, Additions and Extensions, Custom Design and Construction , and 2 more

    "Liliana does an incredible job with remodels and I have always liked her elegant, unique style. I definitely recommend her."

    Victoria S. in August 2024

    AS
    Huntington Beach, CA·

    "Their building design services offered a distinctive blueprint that maximized every inch of our space efficiently. It's a perfect blend of creativity and functionality, tailored to our lifestyle and needs."

    Martin G. in July 2024

    EA Home Builders, Inc. Logo
    Concord, CA·

    "Yes. The remodeler was on time, worked efficiently, cleaned up after himself, and because Eric was experienced in remodeling, he knew exactly what to do so everything went smoothly. Thank you. The bathroom looks great!"

    Keith B. in December 2024

    UC
    Emeryville, CA·

    "Updating our home was a dream we have had for years. But finding a good contractor in Bay Area was so difficult, that we almost gave up. We were introduced to United C Construction by our architect(who we also love!) It was exhausting trying to find someone trustworthy and not overpriced. We had luck of working with Osmar which during the project we had clear communication, expectation of setting, professionalism and superior craftsmanship. He walked us through every step of the way, and helped problem solve tough permitting and structural issues in Berkeley!"

    Shelby R. in September 2024

    Robertson Renovations Logo
    Walnut Creek, CA·

    Additions and Remodels

    "A great contractor, shows up on time and really accurate with the pricing."

    patty P. in December 2021

Showing 1-9 of 28 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.  

Related Projects in Berkeley, CA

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The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.


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Things to Consider Before You Build a Guest House in Berkeley, 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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