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General Contractors in Ontario, 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

    Beverly Builders Group Logo
    North Hollywood, CA·

    General Construction & Renovation, Bathroom & Kitchen Remodels, Design & Build Contractor , and 4 more

    "Kitchen and M. Bath My husband and I were facing our first remodeling project as first time homebuyers. We are so happy that we chose Beverly Builders Group for our kitchen and master bath remodel project. They did an amazing job! Roy and Lauren, were my leaders and designers, they came out to meet with me personally to discuss my needs and the vision that they have for our remodel project was stunning. They both really listened to me and also offered great suggestions and design advice. The team assigned to our kitchen master bath remodel project - from the demolition guys and frames to the tile guy, electrician, plumber, etc...were top-notch and did great work. During the entire process, if we had a question we could always call the office directly at any time. Now we want to remodel our other bathroom and garage. We did not even have to think twice. We will definitely go again with Beverly Builders Group for such a fantastic job the first time that we wanted them to do our next remodeling job too!"

    Cristian R. in December 2024

    New Life Construction and Renovation Logo
    Diamond Bar, CA·

    Detail, Quality, Customer Satisfaction

    "Young and his crew, Jeff and Rudy, were very professional. Young is straightforward with the pricing, provided a design, and is easy to work with."

    Neo P. in December 2024

    Value Renovation Logo
    Beaumont, CA·

    Bathroom Remodel, Bathroom Design, Kitchen Design , and 6 more

    "Kenneth is always available and is prompt with getting back to you with any concerns. He backs his work 100%. And we are very happy with the job they did. No complaints at all."

    Scott W. in December 2024

    OC
    Rancho Cucamonga, CA·

    Addition to Existing Structure - Build

    "very clean work. finished on time and excelent costumer service !"

    Joe / Paola W. in December 2012

    Richard Saenz Logo
    Ontario, CA·

    Home Renovations and Kitchen and Bathroom Remodeling, Specialist on all types of work on Mobile Homes and Maufactured Homes.

    "Honest, personable, clear about what he would do. Listened to what I wanted and provided it. Stayed on schedule and provided the work in a timely manner. I would definitely recommend him."

    Susa T. in November 2021

    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

    PB

    "I hired a large company who hired ProServ as the contractor for the project. My contractor was incredible and efficient. Regretfully the company was not. Carlos, ProServ owner, made an incredibly awkward situation work out. I would give ProServ and especially Carlos rave reviews. The professionalism and honesty of the contractor and his crew is exemplary and quality of his work is exceptional."

    Lynda P. in March 2024

    AS
    Huntington Beach, CA·

    "Their building design services offered a distinctive blueprint that maximized every inch of our space efficiently. It's a perfect blend of creativity and functionality, tailored to our lifestyle and needs."

    Martin G. in July 2024

    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

Showing 1-9 of 31 results

How much do general contractors typically cost?

  • Ontario, California Average
    $20,944
  • Typical Range
    $2,000 - $40,000
  • Low End - High End
    $425 - $83,300

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 Ontario, CA

HomeAdvisor Community Rating

Overall Rating:

Ontario Addition & Remodeling Contractors are rated 4.3 out of 5 based on 135 reviews of 135 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 Ontario, CA

  • Project Location: Ontario, CA
    Date: 01/25/24
    What types of work will be included in this project? (Check all that apply): Roofing
    What best describes this project?: Other
    Comment: wood damage due to termites and a roof leak.
  • Project Location: Ontario, CA
    Date: 01/17/24
    What types of work will be included in this project? (Check all that apply): Drywall
    What best describes this project?: Other
    What types of work will be included in this project? (Check all that apply): Flooring
    What types of work will be included in this project? (Check all that apply): Other
    Comment: Need to remove 2 walls and restore floor plan to the original floor plan prior to the lease ending.
  • Project Location: Ontario, 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): Plumbing
    Comment: Customer did not provide additional comments. Please contact the customer to discuss the details of this project.

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