• We build to improve lives.®

    This purpose drives everything we do; the projects we undertake, our approach to partnership and project execution, and our commitment to complete client satisfaction. We know the work we do contributes to the well being of many, and it inspires us to give only our best.

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  • Construction the XL Way.

    Understanding your needs, planning precisely, collaborating closely, executing flawlessly, and finishing strong. It’s the XL Way to building successful projects and strong partnerships.

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  • Proud. Confident. Happy.

    It’s how we want you to feel when we turn your building over to you. From the moment we begin planning to the moment you move in, our goal is to deliver a positive experience and an outstanding new facility.

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  • The right team for every project.

    Excellence. Safety. Integrity. Innovation. Passion. People. Our values don’t change with the size of the job. Whether an office TI or a ground-up manufacturing facility, every project we undertake gets our utmost attention and commitment to excellence.

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  • New Projects

    Amgen Next Generation Lab, South San Francisco, CA XL is thrilled to have been selected by Amgen as their construction partner for this lab prototype project in South San Francisco.

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  • In The Community

    Spring Forward 5K/10K XL runners will be running to benefit Catholic Charities of Santa Clara County at their Spring Forward 5/10K Charity Run on April 18th.

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  • News & Events

    April 29 – Bayer QC Lab Building Breaks Ground.

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