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Basement Finishing Contractors in San Francisco, CA

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  1. Answer a few questions about your home project.
  2. Within seconds, get matched with top-rated local pros.
  3. Compare quotes and choose the best pro for the job.

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

    "My backyard project included installing a new redwood side fence, replacing old redwood fence boards on the back fence, removing the lawn and brick walkway and installing a new concrete patio in those areas, installing a new wood safety guard rail and installing a new ADA compliant handrail to use when walking down the backyard steps to the laundry room. I am so happy and pleased with the results! Babylon Builders transformed my backyard into a beautiful, safe space that I will enjoy for many years to come. It was a pleasure working closely with Ron on my project. Juan and his crew performed excellent, outstanding work and they always cleaned up very well. I feel so blessed and fortunate that I found Babylon Builders. I highly recommend them! Many thanks for a job well done, Babylon Builders!"

    Maureen H. in June 2020

    DC
    Oakland, CA·

    Deck Builds, Remodels, Kitchens , and 4 more

    "They created a gorgeous bathroom for us at a very reasonable price. My wife and I never thought weâ d be able to get this level quality at such an amazing price."

    Ron D. in April 2024

    EX

    "Erik and Genci were prompt, professional, thorough and accommodating. We liked working with them and will definitely use them again for maintaining our house."

    John B. in November 2023

    DR
    Santa Clara, CA·

    Additions, Bathroom Remodel, Roofing , and 6 more

    "It was our pleasure to work with Done Right Home Remodeling on our four bathrooms remodeling project. The crew was so wonderful to work with and made the entire project seamless. We really appreciate their dedication, extra efforts and touches. They offered the relevant professional help we needed and we love the new update on our bathrooms. They are the best!"

    Linda W. in November 2018

    Casa Utopia Builders Inc Logo
    Campbell, CA·

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

    "When it comes to craftsmanship, I can't say enough good things about the work done by casa utopia. Their attention to detail and skillful execution really stood out throughout the remodeling process. Every aspect of their work showcased their exceptional craftsmanship. I was truly impressed by the quality and precision they brought to the project. I highly recommend this contractor for anyone looking for top-notch craftsmanship in their home renovations. They exceeded my expectations and I couldn't be happier with the results! ð ð ¨â ¨"

    Lavpreet J. in April 2024

    W C S S DBA WCSS CONSTRUCTION Logo
    San Francisco, CA·

    Home Building

    "I had Elad from WCSS Construction come out to give me a bid for a full home renovation and remodel. He was very kind and easy to work with. He and his team were helpful with the design stage of the project. They also ended up saving me a lot of money picking up and storing all the materials at there facility until it was time to install it all. ELADâ s team of renovators were nice, and respectful of my time and space. angel was very easy to work with and responded to my questions in a timely manner. I ended up replacing my entire HVAC system and they did a fantastic job. The heating vents are all in places that meet my needs now, which is so helpful when it gets cold here. I canâ t thank the team enough for everything they did. I would recommend WCSS construction to anyone who needs any type of home renovation or remodeling."

    Phylis K. in December 2023

    WB
    San Francisco, CA·

    "He is extremely professional and conscientious in his work. He is a really good person. He was working on the dry rot in my home. He did the work in a timely manner. I have recommend him mostly to my friends. He is very good at what he does."

    Craig M. in May 2009

    PD
    Belmont, CA·

    Additions, Kitchen Remodels, New Construction , and 1 more

    "I would rehire Purinton Designs for any home remodel job in the future. Excellent company, excellent service! Very happy with our beautiful new kitchen!"

    Jennifer T. in October 2012

    SG
    San Francisco, CA·

    Additions and Remodels

    "Love their service... They worked tirelessly on our front porch.. thank you so much for your service..."

    Mary S. in March 2024

Showing 1-9 of 20 results

How much do basement finishing contractors typically cost?

  • San Francisco, California Average
    $21,850
  • Typical Range
    $9,500 - $21,850
  • Low End - High End
    $6,000 - $50,000

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 San Francisco, CA

HomeAdvisor Community Rating

Overall Rating:

San Francisco Addition & Remodeling Contractors are rated 4.9 out of 5 based on 139 reviews of 139 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 Start Your Basement Makeover:

What features do you want in your basement?

  • Bathroom(s)
  • Bedroom(s)
  • Laundry
  • Storage
  • Stairway
  • Office
  • Other

What type of design preparation has been done?

    Do you provide these professional services?

    Find out how HomeAdvisor can help your business

    See Local Demand

    See Recent Leads

    Recent Job Requests for Addition & Remodeling Contractors in San Francisco, CA

    • Project Location: San Francisco, CA
      Date: 02/01/24
      Design Preparation: Professional drawings
      Select the time(s) you are available for the assessment:: Afternoon
      What features do you want in your basement? (Check all that apply): Laundry
      What features do you want in your basement? (Check all that apply): Bathroom(s)
      What features do you want in your basement? (Check all that apply): Bedroom(s)
      Comment: Customer did not provide additional comments. Please contact the customer to discuss the details of this project.
    • Project Location: San Francisco, CA
      Date: 01/26/24
      Design Preparation: Sketches of basic idea of project
      Select the time(s) you are available for the assessment:: Afternoon
      What features do you want in your basement? (Check all that apply): Bathroom(s)
      What features do you want in your basement? (Check all that apply): Bedroom(s)
      Comment: I would like to remodel our basement to have 2 rooms and complete a bathroom
    • Project Location: San Francisco, CA
      Date: 01/23/24
      Design Preparation: Sketches of basic idea of project
      What features do you want in your basement? (Check all that apply): Stairway
      What features do you want in your basement? (Check all that apply): Bathroom(s)
      What features do you want in your basement? (Check all that apply): Office
      What features do you want in your basement? (Check all that apply): Bedroom(s)
      Comment: Customer did not provide additional comments. Please contact the customer to discuss the details of this project.
    • Project Location: San Francisco, CA
      Date: 01/14/24
      Design Preparation: None/want recommendation
      What features do you want in your basement? (Check all that apply): Office
      What features do you want in your basement? (Check all that apply): Storage
      What features do you want in your basement? (Check all that apply): Laundry
      What features do you want in your basement? (Check all that apply): Stairway
      Comment: Customer did not provide additional comments. Please contact the customer to discuss the details of this project.
    • Project Location: San Francisco, CA
      Date: 01/12/24
      Design Preparation: Sketches of basic idea of project
      What features do you want in your basement? (Check all that apply): Other
      Comment: Customer did not provide additional comments. Please contact the customer to discuss the details of this project.
    • Project Location: San Francisco, CA
      Date: 01/09/24
      Design Preparation: Professional drawings
    • Project Location: San Francisco, CA
      Date: 01/09/24
      Design Preparation: Professional drawings
      What features do you want in your basement? (Check all that apply): Other
      Comment: Customer did not provide additional comments. Please contact the customer to discuss the details of this project.

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