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General Contractors in Walnut, 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

    ES
    Encino, CA·

    Remodel & Renovation, Foundation Repair & Reinforcement, Structural Modifications & Load-Bearing Wall Removal, Waterproofing & Drainage Solutions, Roofing & Siding Installation Windows & Doors, Replacement Outdoor Living Spaces (Decks, Patios, Pergolas) , and 3 more

    "I recently had 4 windows replaced at my home, and the entire process was smooth and professional. The team arrived on time, worked efficiently, and made sure everything was installed properly and sealed tight. The new windows look great, have improved the comfort of our home, and we’ve already noticed better insulation. I’m very satisfied with the quality of the work and would definitely recommend them for any window replacement project."

    919EF96342BC9E72B8B2C6A8ABF99383ACB49BD1ABCB84C3FD41D1DFCA0E4803 F. in May 2025

    Jorcast Enterprises, Inc. Logo
    Chino, CA·

    Water and fire damage restorations, Additions and Remodels.

    "He built my house and is now in the process of building my second house. I highly recommend him."

    Leonard B. in November 2017

    Kamar Architectural Studio Logo
    Los Angeles, CA·

    Design/Home Remodeling, Construction Documents (Blue Prints), Construction Management , and 2 more

    "Just wanted to say a sincere thank you kamar Architectura design for all the work you have done for us in creating our amazing new space. We love it and were continually impressed by your professionalism, attention to detail, care and the support you provided us during this project. You made the process so easy for us and we are very grateful."

    E667CE904E93BF5535448E03D14172F5F3C04EBAC44FFF8CB1B684D7382BCECC 6. in March 2025

    ESL Designs Logo
    Chatsworth, CA·

    Interior Design & Exterior Design, Permits, Engineering - Structual / Mechanical / Staging , and 2 more

    "We had a difficult case that COVID made even more difficult to evaluate. After speaking with Eran, I was ready to grasp what I can do next. I would highly recommend calling ESL Designs for a virtual consult. Do not wait until COVID is over. Your home is everything. Do not risk permanent damage if you believe something is wrong. Discuss it with trained specialists who know what they are talking about."

    Patty P. in December 2021

    David's Builders, Inc. Logo
    Chino Hills, CA·

    ADU, Additions, ADU , and 1 more

    "The owner takes pride in his work and is involved and a great communicator."

    Martin X. in March 2018

    National Permitting Group, LLC Logo
    West Hollywood, CA·

    Land Entitlements, Development Permit Expediting, Violation Removal , and 7 more

    "So good to have this team at my back Daniel answered all my questions and treated me with care and respect Looking forward to this project!"

    Kathy R. in November 2023

    BN Construction Logo
    Rowland Heights, CA·

    General Contractor

    "Best experience. Professional people, kind, and efficient"

    Razek A. in August 2024

    Zuniga Group, Inc. Logo
    Riverside, CA·

    Landscape Design, Pools, Bathroom Remodel , and 1 more

    "They did an amazing job, on time, finished the project on a timely manner, and his crew are very professional."

    Jose M. in May 2021

    UC
    Diamond Bar, CA·

    Design

    "honest, fast and reliable stronly recommend"

    sung K. in September 2020

Showing 1-9 of 24 results

How much do general contractors typically cost?

  • Walnut, California Average
    $27,409
  • Typical Range
    $0 - $70,000
  • Low End - High End
    $1,500 - $90,000

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 Walnut, CA

HomeAdvisor Community Rating

Overall Rating:

Walnut Addition & Remodeling Contractors are rated 4.4 out of 5 based on 105 reviews of 105 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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