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Ontario, CA

General Contractors in Ontario, CA

137 general contractors in Ontario, California, with Google ratings, hours and websites where the business has them.

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137 general contractors serving Ontario

Recommended businesses first, then businesses that have claimed their profile, then Verified ones, then by Google rating and review count. Use Sort to see highest rated first.

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  • Tuff Shed Ontario in Ontario, CA

    General Contractors

    Tuff Shed Ontario

    TUFF SHED Ontario provides custom-built sheds and garages across Southern California's Inland Empire. The local team designs and installs quality structures from high-quality materials, with options for ranches, barns, studios, garages, and specialized buildings. A local installation crew ensures precise assembly.

    ShedsGaragesCustom buildings

    Ontario, CA4.9(583)Open nowWebsite

    Up to 3 businesses
  • General Contractors

    JJ Home Renovations

    Ontario, CA5.0(201)Website

    Up to 3 businesses
  • Haven Cleaning in Ontario, CA

    General Contractors

    Haven Cleaning

    Haven Cleaning and Restoration is a licensed and insured company providing comprehensive cleaning and restoration services. The company offers water damage and fire damage restoration, mold remediation, cleaning services for residential and commercial properties, construction services as a licensed general contractor, smoke and odor remediation, hoarding clean-up, and trauma clean-up.

    Water damage restorationFire damage restorationMold remediation

    Ontario, CA4.7(66)Open nowWebsite

    Up to 3 businesses
  • Classic Kitchens Etc. in Ontario, CA

    General Contractors

    Classic Kitchens Etc.

    Classic Kitchens Etc. provides home remodeling services in Ontario, California and surrounding Inland Empire communities. The company specializes in kitchen and bathroom remodels, flooring installations, ADU additions, home additions, and custom cabinetry, windows and doors. The company works directly with clients to transform their homes.

    Kitchen remodelingBathroom remodelingFlooring

    Ontario, CA5.0(52)Website

    Up to 3 businesses
  • MasterWork in Ontario, CA

    General Contractors

    MasterWork

    MasterWork Home Remodels is a family-owned remodeling company in Ontario with 20+ years of experience, handling kitchen and bathroom remodels, flooring, windows, doors, drywall, trim, and additions across East Los Angeles County and surrounding areas with free estimates.

    Kitchen remodelingBathroom remodelingFlooring installation

    Ontario, CA5.0(39)Open nowWebsite

    Up to 3 businesses
  • General Contractors

    Royal Construction and Renovations

    Ontario, CA5.0(26)

    Up to 3 businesses
  • General Contractors

    C-Thru Sunrooms

    Ontario, CA3.6(28)Website

    Up to 3 businesses
  • General Contractors

    VLP Design Build

    Ontario, CA5.0(16)Website

    Up to 3 businesses
  • General Contractors

    Optima Construction LLC

    Ontario, CA3.8(20)Website

    Up to 3 businesses
  • Simple Inc. in Ontario, CA

    General Contractors

    Simple Inc.

    Simple Restoration is a fire and water damage restoration company serving residential and commercial properties in Southern California. The company provides board-up services and roof covers following fire and water damage incidents.

    Fire damage restorationWater damage restorationBoard-up service

    Ontario, CA5.0(13)Open nowWebsite

    Up to 3 businesses
  • Excell Construction Inc in Ontario, CA

    General Contractors

    Excell Construction Inc

    Excell Construction Inc provides project management, design, and development services for construction projects. The company is committed to honesty, safety, quality, and communications. With more than 25 years in the industry, a team of 25+ members, and over 800 completed projects, Excell Construction serves the Southern California area.

    Project managementDesignDevelopment

    Ontario, CA4.7(13)Open nowWebsite

    Up to 3 businesses
  • General Contractors

    Wirenet Communications Inc.

    Ontario, CA4.7(13)Website

    Up to 3 businesses
  • General Contractors

    MZ Pro Home Improvements

    Ontario, CA4.2(14)Website

    Up to 3 businesses
  • HDC Construction Inc. in Ontario, CA

    General Contractors

    HDC Construction Inc.

    HDC Construction Inc. is a licensed contractor (License #802646) serving California, Ohio, New Jersey, North Carolina, Georgia, Arizona, and Florida. The company provides steel stud framing, refrigeration panels, dock doors, fire sprinklers, epoxy floors, block walls, metal fabrication, and machine installation. All work is performed in-house with no subcontracting, ensuring quality and timely completion.

    Steel Stud FramingRefrigeration PanelsDock Doors

    Ontario, CA4.8(12)Open nowWebsite

    Up to 3 businesses
  • General Contractors

    Ontario General Contractors

    Ontario, CA4.6(10)Website

    Up to 3 businesses
  • General Contractors

    JJ Home Renovations

    Ontario, CA5.0(9)Website

    Up to 3 businesses
  • General Contractors

    Wav Comm

    Ontario, CA4.2(10)Website

    Up to 3 businesses
  • General Contractors

    Nixon-Egli Equipment Co

    Ontario, CA4.6(9)Website

    Up to 3 businesses
  • General Contractors

    Pacific Rebar Inc

    Ontario, CA4.6(9)Website

    Up to 3 businesses
  • Brady Construction Group in Ontario, CA

    General Contractors

    Brady Construction Group

    Brady Construction Group is a commercial general contractor in Ontario, California offering pre-construction planning, commercial general contracting, tenant improvements, design-build solutions, specialized construction, construction management, and facility services across diverse construction sectors.

    General contractingTenant improvementsDesign-build

    Ontario, CA4.5(8)Open nowWebsite

    Up to 3 businesses
  • General Contractors

    AG Construction Inc.

    Ontario, CA5.0(7)Website

    Up to 3 businesses
  • General Contractors

    Gibin Custom Stairs & Millwork

    Ontario, CA5.0(7)Website

    Up to 3 businesses
  • General Contractors

    West Construction & Renovation Ontario

    Ontario, CA4.0(8)Website

    Up to 3 businesses
  • General Contractors

    Island Petroleum Builders

    Ontario, CA4.5(6)Website

    Up to 3 businesses
  • HR GARCIA CONSTRUCTION INC Lic No1050598 in Ontario, CA

    General Contractors

    HR GARCIA CONSTRUCTION INC Lic No1050598

    Remodel and new construction one & two story additions Experts in ADU and full construction

    Ontario, CA4.8(5)

    Up to 3 businesses
  • General Contractors

    CalTek Technologies

    Ontario, CA4.0(6)Website

    Up to 3 businesses
  • General Contractors

    Garcon Construction Inc.

    Ontario, CA4.5(5)Website

    Up to 3 businesses
  • General Contractors

    Rossetti Construction

    Ontario, CA3.7(6)Website

    Up to 3 businesses
  • Build ADU Home Remodel in Ontario, CA

    General Contractors

    Build ADU Home Remodel

    Ontario, CA4.4(5)Open nowWebsite

    Up to 3 businesses
  • General Contractors

    Lifestyle Renovation Inc.

    Ontario, CA4.0(5)Website

    Up to 3 businesses
  • General Contractors

    Double j construction

    Ontario, CA

    Up to 3 businesses
  • General Contractors

    Elite Sheet Metal Inc

    Ontario, CA

    Up to 3 businesses
  • General Contractors

    L V Electric Inc

    Ontario, CA4.6(80)Website

    Up to 3 businesses
  • General Contractors

    Fullmer Construction

    Ontario, CA4.8(17)Website

    Up to 3 businesses
  • General Contractors

    Melvin's Wrought Iron

    Ontario, CA4.4(17)Website

    Up to 3 businesses
  • General Contractors

    Ultra Build Construction

    Ontario, CA4.6(10)Website

    Up to 3 businesses
  • General Contractors

    Turbine Repair Services

    Ontario, CA4.7(8)Website

    Up to 3 businesses
  • General Contractors

    Maplecreek Construction

    Ontario, CA5.0(6)Website

    Up to 3 businesses
  • Perera Construction Inc in Ontario, CA

    General Contractors

    Perera Construction Inc

    Ontario, CA3.7(7)Open nowWebsite

    Up to 3 businesses
  • General Contractors

    Monterey Lighting Solutions

    Ontario, CA3.8(5)Website

    Up to 3 businesses
  • General Contractors

    Extreme Custom Sheet Metal Inc.

    Ontario, CA4.3(4)Website

    Up to 3 businesses
  • General Contractors

    Doja Inc.

    Ontario, CA5.0(3)Website

    Up to 3 businesses
  • General Contractors

    Underground Construction Co Inc

    Ontario, CA3.6(4)Website

    Up to 3 businesses
  • General Contractors

    Speedy Payday Loans

    Ontario, CA3.7(3)Website

    Up to 3 businesses
  • General Contractors

    Elemental Construction Co

    Ontario, CA5.0(2)Website

    Up to 3 businesses
  • General Contractors

    Empire Sheet Metal

    Ontario, CA5.0(2)Website

    Up to 3 businesses
  • General Contractors

    Kemcorp Construction Inc

    Ontario, CA5.0(2)Website

    Up to 3 businesses
  • General Contractors

    Upland Contracting

    Ontario, CA5.0(2)Website

    Up to 3 businesses

Page 1 of 3 · 48 of 137 shown. Recommended businesses first, then businesses that have claimed their profile, then Verified ones, then by Google rating and review count. Use Sort to see highest rated first.

Top rated

Highest-rated general contractors in Ontario

Ranked by Google rating, then review count. Only businesses rated 4.5 or higher with 5+ Google reviews qualify.

  1. JJ Home Renovations

    5.0201 Google reviewsVerified

  2. Classic Kitchens Etc.

    5.052 Google reviewsVerified

    Kitchen remodeling · Bathroom remodeling · Flooring

  3. MasterWork

    5.039 Google reviewsVerified

    Kitchen remodeling · Bathroom remodeling · Flooring installation

  4. Royal Construction and Renovations

    5.026 Google reviewsVerified

  5. VLP Design Build

    5.016 Google reviewsVerified

  6. Simple Inc.

    5.013 Google reviewsVerified

    Fire damage restoration · Water damage restoration · Board-up service

See every general contractors in Ontario sorted by rating · Best of Ontario across every trade

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Get quotes from Ontario general contractors you pick yourself

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Compare quotes in Ontario

137 general contractors serve Ontario, CA. 45 are rated 4.5 or higher on Google and 28 have a perfect 5.0. 90 have a website. Most common services: Bathroom remodeling, Fire damage restoration, Kitchen remodeling, Water damage restoration, Barns, Board-up service….

Verified on Google
32
Average rating
4.5 / 5
Google reviews
1,481

How Google categorizes general contractors in Ontario

Primary and secondary categories from each business’s Google Business Profile. Tap one to filter the list.

Services general contractors in Ontario list on Google

Service names as each business entered them on its Google Business Profile, with how many businesses list each one.

What reviewers mention

addition (3) · contractor (3) · adu (2) · bedroom (2) · closets (2) · converted (2) · garage conversion (2) · job (2) · quick turnaround (2) · timely responses (2)

Topics Google extracted from customer reviews of general contractors in Ontario, with the number of reviews that mention each.

Page One Partner Research

How general contractors in Ontario compare

General ContractorsOntarioCAU.S.
Average Google rating (10+ reviews)4.414.624.57
Median Google reviews668
Reviews for the top quarter13+18+22+
Have a website64.9%70.7%65.4%

Businesses listed in our directory, not every business in the market. Updated November 2026. General Contractors industry report · What is a good rating for general contractors? · Best cities for general contractors

From Page One Partner Research

  • In Ontario, half of the general contractors we list with reviews have 6 or fewer Google reviews, and 13+ puts one in the local top quarter; the average rating is 4.41 (131 listed in our directory). General Contractors industry report
  • A good Google rating for general contractors: in our directory, the median is 4.8 and at least a quarter hold a perfect 5.0. Half of them have 8 or fewer reviews. What is a good rating for general contractors?
  • California businesses in our directory average 4.52 stars on Google, ranking 22 of the 50 states we measured; 30.9% list no website. Ratings in every state

Quick answers

Who serves Ontario?

Names and Google ratings, straight from each business's profile.

Which general contractors serve Ontario, CA?

137 general contractors serve Ontario, CA. Highest rated (10+ reviews): JJ Home Renovations (Verified, rated 5.0 on Google from 201 reviews), Classic Kitchens Etc. (Verified, rated 5.0 on Google from 52 reviews) and MasterWork (Verified, rated 5.0 on Google from 39 reviews), plus 134 more.

How many general contractors serve Ontario, CA, and how are they rated?

137 general contractors serve Ontario, California. 45 are rated 4.5 or higher on Google and 28 have a perfect 5.0. 90 have a website. Most common services: Bathroom remodeling, Fire damage restoration, Kitchen remodeling, Water damage restoration, Barns, Board-up service…. ZIP codes covered: 91761, 91762, 91764, 91758.

Which general contractors in Ontario, CA have the most Google reviews?

Tuff Shed Ontario (583 reviews, rated 4.9), JJ Home Renovations (201 reviews, rated 5.0) and L V Electric Inc (80 reviews, rated 4.6). Review counts are read from each business's Google Business Profile.

Which general contractors in Ontario, CA are open on weekends?

9 general contractors in Ontario, CA publish hours on Google. 6 are open on Saturdays (Tuff Shed Ontario, Haven Cleaning, MasterWork and Simple Inc. and 2 more) and 3 on Sundays (Tuff Shed Ontario, Haven Cleaning and Simple Inc.). Use the Open now filter above to see who is open right now.

What kinds of general contractors are in Ontario, CA?

Google lists them under Construction company (9), General contractor (6), Bathroom remodeler (4), Kitchen remodeler (4), Building restoration service (2) and Cabinet maker (2). A business can carry more than one category, so the counts overlap.

FAQ

Questions about Ontario businesses

How businesses get here and how up to date everything is.

Yes. Page One Partner is a free directory of local service businesses across the United States. It costs nothing to search, and nothing for a business to be listed. Each profile is built from the business's public Google Business Profile, and an owner can claim, update or hide theirs at any time by contacting info@pageoneinsights.com.

Run a business in Ontario, CA?

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