AG Construction ProView

AG Construction

Ontario, California 91761
(909) 986-7878


AG Construction, Inc. is a General Contracting company specializing in Commercial, Residential, and Public Works construction. The company has successfully operated in the Southern California area for the past 20 years working on both small and large scale new construction, remodeling, and alteration projects focusing on commercial contracting. We have built an enviable reputation with our notable list of past and current clients which include many Home builders, General Contractors, and City departments. Over 80 percent of our work coming from repeated clients, we value the relationships developed with our clients, committed to providing them with good quality projects, integrity, and always building with our client’s perspective in mind.

The Company

Ontario based AG Construction began in the late 1980’s when Alberto Garcia, the company CEO, began his own construction company with the focus to provide a quality contracting service to a community that had a boom in new residents and businesses. AG Construction began based out of Alberto’s garage starting with just a small amount of savings, a pickup truck and two employees; he quickly built a business that became known for its ability to deliver the highest quality work, on schedule and within budget.

In 1991 AG Construction became licensed with the state and in the year 2000 the company became incorporated. AG Construction holds many license classifications including:

  • Class B – General Building Contractor
  • Class C 8 - Concrete
  • Class C 10 – Electrical
  • Class C 29 – Masonry
  • Class HIC – Home Improvement Contractor


Our projects range from small retaining walls and concrete trench patch backs to full ground up construction. AG Construction has performed work for many clients in the past 20 years. Some of these clients include: Coast Constructors, Fastec, Inc., Cornell Custom Homes, Spectrum Communications Cabling Services, multiple school districts, and many Counties throughout the Inland Empire.

AG Construction provides quality General Contracting and Sub contracting multi discipline services including:

  • Structural & Site Concrete
  • All types of Masonry
  • Trenching and Underground Communications
  • Electrical
  • Remodels & Room additions


AG construction strives to offer the finest quality in all off our work from our cost estimates to our final punch list submittal. Our staff provides in depth management and supervision to all of our projects with hands on involvement from start to finish of all our projects. Our company goal for all our projects, big or small, has always been the same since its beginning in 1988 which is: build safe, on time, and within budget, always having the client’s perspective in mind.

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