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General Contractors in Castro Valley, CA

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Service Pros

    Babylon Builders Logo
    Riverbank, CA·

    Concrete Work/ Pavers, Landscape -Design /Install/ Remodel, Outdoor kitchens, out living, xeriscape, Decks-Pergola/ Fence , and 2 more

    "I had a great experience working with Ron and Juan. We met and discussed my ideas. They demoed my old patio and slab and build a beautiful new one. There was ongoing communication throughout the process, very appreciative. I would use them again. I'd highly recommend contacting Ron and get a quote."

    Rick T L. in December 2023

    PC

    "This was our second major project with Primework Construction and we couldnâ t be happier. It was so easy for us, Ben and his team handle everything. They took care of the architect plans, the engineering, permits, facilities for the crew, and clean up. They worked within our budget and completed the project ahead of schedule. They really go out of their way to treat us well. We highly recommend using them for any of your projects, big and small."

    William C. in October 2023

    Cal Green Remodeling Logo
    Santa Clara, CA·

    Kitchens, Remodeling, Bathrooms , and 2 more

    "We met with a few companies regarding our kitchen project before we ended up choosing Shai with Cal Green Remodeling. We picked him because of the knowledge he had and confidence he gaves us. He provided us with great ideas and a detailed estimate and timeline of what we could expect. His price was not very different than the others, however, his presentation was. Some of the other companies missed the mark on the details, which for us was very important considering this project was not cheap. Shai, had an answer to all of our questions and he offered us realistic expectations. Upon completion of our kitchen, we must say, we are super pleased with the results. We especially love the new island we added. Everything came out well and clean. The workers were efficient and kept the area clean during the renovation process. Shai was also readily available if we had any questions. I only wished we have used him for our bathroom remodeling project last year. Iâ m sure we will be using them again in the future!"

    Mason S. in May 2023

    SSA Logo

    "Excellent Architect We hired SSA, Inc. for the exterior and interior remodel of our Autobody shop building. It is a challenging project since the building was never upgraded to be current code compliant. There are existing items to be legalized as well. Sharmila, Owner/Principal Architect is very knowledgable, experienced and familiar with city process, current building and fire codes. She is very personable, creative and suggested solutions and design that are both effecient for our setup as well as acceptable by the City. She and her competent, effecient team of engineers delivered design plans, renderings, drawing sets in a fast paced timeline so we do not have lags in our operations. SSA, Inc and team have expereince working with the building departments in all cities in the bay area. They communicate promptly and effectively with plan checkers and building officials. She is a fantastic architect who always works for the best outcome for her client. We are very thankful to have hired her and highly recommend her companys services for your remodel, addition or new construction project."

    Ahmad N. in December 2023

    BB
    San Leandro, CA·

    Remodels

    "Our master bathroom is now perfect! I had to redo them because they were old.Shai helped me renovate the outdated space into something new, with great ideas from his team. They made this remodel easy for me. I never imagined how much time or money could be saved by doing things differently. I appreciate all the effort guys!"

    Matt T. in December 2021

    Bayside Builders Group Logo
    Alameda, CA·

    ADDITIONS AND REMODELS

    "Our master bathroom is now perfect! I had to redo them because they were old.Shai helped me renovate the outdated space into something new, with great ideas from his team. They made this remodel easy for me. I never imagined how much time or money could be saved by doing things differently. I appreciate all the effort guys!"

    Matt T. in December 2021

    Casa Utopia Builders Inc Logo
    Campbell, CA·

    Home Additions, New Home Construction, General Contractor , and 2 more

    "I also had recessed lighting installed. Job was done perfectly."

    Donna F. in May 2024

    TB
    San Mateo, CA·

    Design, Architectural Services, 3-D Modeling Buildings

    "Francisco was easy and quick to work with, very detailed, attentive to everything that I needed. He connected me to other people in his network, great people as well that all finished my project together. He made my vision come to life and made it easier for me to picture everything, now my addition (adu) looks perfect."

    Marcela M. in December 2021

    BA
    San Francisco, CA·

    Handyman Services, Residential Remodeling, Commercial Remodeling

    "Very professional. Listen's to the customer and delivers high quality work."

    Erik F. in November 2018

Showing 1-9 of 49 results

How much do general contractors typically cost?

  • Castro Valley, California Average
    $24,075
  • Typical Range
    $3,000 - $24,075
  • Low End - High End
    $2,080 - $100,000

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 Castro Valley, CA

HomeAdvisor Community Rating

Overall Rating:

Castro Valley Addition & Remodeling Contractors are rated 4.7 out of 5 based on 136 reviews of 136 pros.

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 Hire a General Contractor:

What best describes this project?

  • Kitchen remodel
  • Bathroom remodel
  • Basement remodel
  • Garage remodel
  • Multiple room renovation
  • Addition to home
  • Other

Do you provide these professional services?

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Recent Job Requests for Addition & Remodeling Contractors in Castro Valley, CA

  • Project Location: Castro Valley, CA
    Date: 01/12/24
    What best describes this project?: Other
    What types of work will be included in this project? (Check all that apply): Other
    Comment: I need help installing window coverings

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