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Basement Finishing Contractors in Mercer Island, WA

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Service Pros

    TD
    Renton, WA·

    Window Replacements - Framing and Siding Repairs/Replacement., Remodels , kitchens,Baths

    "Thomas was a delightful person to work with. He is honest, responsive, respectful, personable, passionate about his work, and transparent about the process. We are very grateful and would love to work with him again."

    miyuki T. in February 2024

    CS
    Auburn, WA·

    Painting, Floors Installation and hardwood refinishing, Siding Installation , and 11 more

    "They did a wonderful job, the crew is very friendly. I am very happy with their work, and I will hire them again. Their work is very clean and very precise."

    Sophia D. in December 2022

    Homeimprove Construction, Inc. Logo
    Seattle, WA·

    Decks patio enclosures/patio covers, Bathroom & Kitchen remodels, Backyard remodeling landscape/hardscape , and 2 more

    "Francisco and his team at Homelmprove were a pleasure to work with. They were always on time and kept the job site clean and organized. Francisco is very good and knowledgeable. I definitely recommend them."

    Nancy S. in June 2023

    A TO Z Custom Remodeling, LLC Logo
    Federal Way, WA·

    Framing Floring cabinets millwork windows, Siding. Painting doors roofing custom powder coated metal railings, Additions and Remodels , and 2 more

    "He built a deck and built a garage.."

    Vitali .. in October 2017

    C & S Renovations, LLC Logo

    In business since 2012

    Auburn, WA·

    Entire Home Renovations, Build and repair decks, Fire Damage Restore , and 2 more

    About us: "Welcome to C&S Homes LLC, previously C&S Renovations LLC! Sometimes a simple renovation will turn the home you enjoy into the dream home you absolutely love! Whether you need help with part of your project or your entire project, we can help. We offer full home renovating services. Our reputation for quality work, responsiveness, and competitive pricing has been the primary factor in our success. We would love to meet with you for an in-home consultation to see how we can help you complete your projects. Give us a call today!"

    Contemporary Home Construction, LLC Logo
    Kirkland, WA·

    Remodeling, Additions

    "Contemporary Home Construction are very professional and great service provider. I have two bathrooms renovation done and living room can ceiling lights install to make our house look more modern. It s 1940 s build home but they did great job by thinking from owner s stand point. I wanted to install standard bathroom vanity but they suggested to install floating vanity. My bathroom look a lot larger and modern now. I am 120 percent satisfied with their service."

    Masako O. in June 2019

    Baklinski Home Improvement Logo
    Mercer Island, WA·

    Handyman, Kitchen remodel, Decks , and 3 more

    "We hired Andrew and his team to install some safety features in our home: grab bars, railings, some dry wall repair. The quality of work was excellent. Andrew and Josiah kept us informed throughout the project. Both men were easy to work with and did a wonderful job of cleaning up as they went along.. We have already hired them for a kitchen project in our home!"

    Mary Beth S. in December 2023

    Khivi Homes, LLC Logo
    Renton, WA·

    Home Additions, Kitchen Remodel, Bathroom Remodel , and 5 more

    "Jevi was awesome with his work and achieved great results. He met the deadline and had great communication. We loved our kitchen and bathrooms."

    Yashraj S. in March 2023

    NC
    Redmond, WA·

    "This company is very professional in remodeling, adding, adding and installing new doors and windows and can do so much more, I highly recommend it"

    Ahmed A. in April 2024

Showing 1-9 of 28 results

How much do basement finishing contractors typically cost?

  • Mercer Island, Washington Average
    $25,981
  • Typical Range
    $18,000 - $25,981
  • Low End - High End
    $2,400 - $80,000

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 Mercer Island, WA

HomeAdvisor Community Rating

Overall Rating:

Mercer Island Addition & Remodeling Contractors are rated 4.7 out of 5 based on 229 reviews of 229 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?

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