John Klaer Construction Services is a family-owned general contracting and construction company serving Orange County and the greater Southern California region. KCS is a premier design + build contractor for room additions, remodeling, new construction, kitchen remodeling, bathroom updates, and property maintenance.

KCS Klaer is a License B General Contractor under license #936604 with the State of California.

Our team takes special pride in our thoughtfulness, responsiveness, and innovation in our work, as well as the high-quality materials and products we use. We provide old-world craftsmanship and personal service to our clients.

KCS Klaer is dedicated to helping you through the remodeling process with our construction expertise, project management skills, and unsurpassed customer service. John Klaer will ensure that your project not only meets, but exceeds your expectations. We assemble proven subcontractors for all phases of your job and understand and meet your needs.

You can count on our one-on-one project management and coordination from your first contact with us, through completion of your project, and beyond. We are focused on providing the highest level of personalized customer service, quality craftsmanship, and timely delivery.

As an owner-operated firm, we have the ability to offer your remodel or room addition projects the personalized service that allows for flexibility, customization, quick delivery, and detailed quality.

Klaer Construction Services was founded on the principles of honesty, integrity, and ethical business practices. John Klaer has been in the construction industry most of his life and has managed jobs large and small. He is a hands-on manager with an eye for perfection.