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Questar Construction Questar Construction
What We Build Matters.
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  • Questar takes pride in constructing superior buildings and lasting relationships.
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    Bring your VISION to LIFE
  • Minimize Waste.
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    What we build MATTERS

Questar Construction is a General Construction firm based in Irvine, California. Questar offers constructions services to a large variety of projects, including Higher Education, Healthcare, Historical, Office, Retail, and Industrial.

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Our Core Competencies

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Higher Education
The fast-paced, multi-functional campus requires adaptability and high standards of safety, both of which are fundamentals of Questar service.
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Healthcare
Questar is well versed in OSHPD regulations and the demands that come with building the most difficult and complex structures in the world.
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Historical
Delicacy, creativity, and the sustainable use of resources make these projects an exciting challenge for Questar.
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Office
To ensure the productivity and efficiency of these enterprises, Questar approaches commercial projects with cost-saving strategies and realistic scheduling.
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Retail
In order to fulfill a cohesive vision, Questar considers: installation capability, vendor coordination, equipment and staff mobility, and more.
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Industrial
When it comes to industrial construction, it’s all about utility. Questar’s strategic planning caters to the diverse needs of these properties.

Core Features

Team Q Excellence

Each team member contributes to Questar’s overall mission to bring fresh ideas and innovation to each area of its projects and operations.

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Experience Quality

There is nothing Questar likes better than a challenge. Explore how we continually meet the demands of complex design in fully functional spaces.

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Facility Assets Savings Team

Eliminate the labor, field, insurance, overhead, and profit costs of a general contractor by becoming the builder. Learn more about F.A.$.T.

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Latest Work

Casa Colina Surgery Center

Healthcare

Casa Colina Diagnostic Imaging Center

Healthcare

Pasadena, Accretive Reality The District “D” Office Building

Retail

San Dimas Pacific Railroad Museum Historical Renovation

Historic

Irvine Company Market Place Center Courtyards and Entries

Office

Providence Health & Services St. John’s Health Center South Entry Renovations

Healthcare

Dignity Health Highland OB/GYN Clinic

Healthcare

Byzantine Latino Community Center Historic Renovation

Historic

What Clients Say

  • “Their support goes beyond just that of a construction or engineering firm.”

    David Elliot, Associate Vice President
    Vanguard University
  • “We are one team working on projects that will better CVHP and hopefully help our patients in the long run.”

    Greg Landers, Vice President of Operations
    Foothill Presbyterian Hospital
  • “Questar really cares about the work they do and they care about their customers. They did whatever was necessary to make this project come to fruition. I felt very special working with Questar.”

    Felice Loverso, Chief Executive Officer
    Casa Colina Hospital
  • “We have worked with Questar Construction for over fifteen years and it has been a pleasure and a privilege to work together. Questar shares our core values of quality, integrity, service.”

    Dave Atkinson, Owner
    City Plumbing
  • “Questar, and specifically Jim Salomon, has really assisted the city in working on the Walker House project. They really did an all-around great job for us.”

    Craig Hensley, Planning Manager
    City of San Dimas
  • “Thank you for a job well done.” Questar is “thorough and professional…It was a pleasure working with you and your team. I hope we can work together in the future.”

    Harold Newton, Senior Director
    Community Hospital of San Bernardino
  • “Questar has supported us in many roles. Really sitting down together and brainstorming how we can save money for the county and how can we build excellent fire stations with long life cycles and how we can get the most bang for the buck.”

    Tim Ottman, Chief of Construction and Maintenance
    Los Angeles County Fire Department
  • “Questar is truly a socially responsible company. We are so grateful that we are one of the companies that Jim chooses to work with because his support helps us deliver quality healthcare to our patients.”

    Yulanda Davis-Quarrie, Chief Executive Officer
    Citrus Valley Health Partners Foundation

Contact Info

  • Questar Construction
  • 3115 Red Hill Avenue, Costa Mesa, CA 92626
  • 949.250.0060
  • questar@questarteam.com
  • www.questarconstruction.com

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