Compare Quotes from Addition Contractors
Get Quotes Now

Addition Contractors in Knightsen, CA

Where do you need Build an Addition pros?

How It Works

  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

    ZR
    Concord, CA·

    "Zacarias Remodeling Construction did an amazing job on my brand new kitchen! I wanted my kitchen to be done before Christmas and they worked above and beyond to complete it! Oscar (the Owner) would come to see how the project was progressing and inspect the finished work and made sure if we had any concerns or questions. The workers are professional and hard workers!! They also made sure everything was clean before leaving for the day. Suzanne (Estimator/Designer) was there 100% of the time for questions, advice and opinion on the design. Awesome to work with! I am very happy with my kitchen and highly recommend them!"

    919EF96342BC9E72B8B2C6A8ABF99383ACB49BD1ABCB84C3FD41D1DFCA0E4803 4. in February 2026

    Waters Construction Co. Logo
    Carmichael, CA·

    Quality finishes, tile, wood, marble, quartz, travertine, stone

    "Great job, conscience, timely and complete. Worked like a champ."

    47CDBDAE69EE42B718D6FF6E52648BFC3D5F246B9DB276A3B0E49A936CE094AF 8. in November 2025

    MH
    West Hills, CA·

    Concrete, Painting, Roofing , and 1 more

    "We hired McCormick for a bathroom remodel, and the whole process was smooth and professional. Khaled helped us make smart choices on design and materials that worked for both our budget and style. Now, our bathroom feels like a spa every time we step in. I appreciate the quality and attention to detail. These folks definitely know what they?re doing!"

    Jackson M J. in December 2024

    Wilson General Contracting Logo
    Tracy, CA·

    Electrical, Troubleshoot,Recessed Lights, Under cabinet Lighting, Puck Light, Service Change, Plugs, Interior & Exterior Trim, Deck & Porch - Install, Replacement & Repair , and 2 more

    "We hired Wilson to install a dog door on an exterior (stucco) wall of our new home. He was very professional. He showed up on time, did the work, and cleaned up afterwards."

    Peter D. in November 2013

    RC
    0

    About us: "We are a general construction company that manages and oversees residential and commercial projects, coordinating all phases of construction from planning through completion."

    SAHNER CONSTRUCTION Logo
    0
    Hughson, CA·

    About us: "A+ BBB Rated Sahner Construction has been in business for 10 years. We have provided remodels, additions and full builds throughout the central Valley. With over 20 years of experience in the home building industry, we know what is important to our customers and we deliver on our commitments. Your project will be handled with top in class quality, on schedule and within budget."

    AH
    0
    Pleasant Hill, CA·

    About us: "Accurate Home Remodeling services the San Francisco Bay Area. Driven by years of accumulated experience, we’re a fully licensed, bonded, and insured company offering full construction services ranging from kitchen & bathroom remodeling, exteriors, home additions, and much more. Your assigned estimating designer will sit down with you during the complimentary consultation to help you establish an optimal layout and overall vision for the project at hand. Following the consultation, we can create 3D renders to allow you to preview your newly renovated space. Our approach is to work side by side with you to select material at the best locations around the bay area to make your concepts become a reality. Call or 'click' for a FREE estimate today!"

    W OROZCO CONSTRUCTION INC Logo
    0
    San Leandro, CA·

    About us: "Hello everybody my name is will orozco ceo of w orozco construction inc we are here to help you with your house project ADU Remodeling new construction we are a company what we staring the company from bottom we know all about construction the main goal is keep all the costumer happy with all the construction projects clean and safe"

    Taragano Design and Build Logo
    Concord, CA·

    ADU, Additions, ADU , and 9 more

    "Working with yaniv has been fantastic front to back. He is on top of every detail and has exceed our expectations in regards to quality and timeline. He has guided us in the right direction with every step. Whether it was small things like how to set up electrical or broader topics like the design of our bathroom he has been so knowledgeable and clearly customized his approach to what he knows we want and need. We absolutely work with him again."

    DC1813C6B54ADE95ACEF0024FD158F0F6AA37E61D06503C7A499705E2DAE2852 A. in July 2025

Showing 1-9 of 17 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 Knightsen, CA

HomeAdvisor Community Rating

Overall Rating:

Knightsen Addition & Remodeling Contractors are rated 4.8 out of 5 based on 53 reviews of 53 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.


Other Top Projects in Your Area

Other Cities in California

If you're looking for Build an Addition Contractors that serve a different city in California, here are some popular suggestions:

Find Build an Addition Pros in Knightsen, CA

HomeAdvisor: The nation's largest network of screened and rated pros.

Tell us about your project and we'll match you to the perfect pros.

Get Matched With Pros

Find Pros Nearby


Things to Consider Before You Build an Addition:

What best describes this project?

    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 Knightsen, CA

      References Available
      Tell us your zip code to view pricing & schedule
      Tell us your location to view pricing & schedule
      Choose your project to view pricing & schedule

      Please enter valid zip.

      Please choose a location.

      We're sorry but the time you have chosen is no longer available.
      Please select a new time below:
      does not provide service to View pros who serve this zip
      Enter a zip code to view which pros serve this zip.
      There was an issue connecting to the server. Please try again or call Customer Service at 1-888-811-ANGI.
      We're sorry but the time you have chosen is no longer available.
      Please select a new time below:

      Select your appointment type and time:

      Final Step - Confirm Your Appointment:

      Confirm your appointment with on , - Change


      Required
      Required
      Required
      Required
       
       
       

      By clicking Confirm Appointment, you affirm you have read and agree to the HomeAdvisor Terms & Conditions, and you agree and authorize HomeAdvisor and its affiliates, and their networks of Service Professionals, to deliver marketing calls or texts using automated technology to the number you provided above regarding your project and other home services offers. Consent is not a condition of purchase.