In need of a new deck or pergola in the St. Louis area?

Call Now for a free estimate!

Over 20 Years of Outdoor Construction Excellence!


Osterhoff Construction specializes in designing and building custom outdoor spaces for both commercial and residential applications, turning outdoor spaces into the perfect recreation area or a relaxation oasis. Our team of exterior design and contracting specialists focuses on delivering the highest quality craftsmanship on every project, including decks, pergolas, gazebos, and porches in the St. Louis, Missouri and surrounding areas.

Each of our projects are custom designed to meet your individual needs. If you’re looking for a trusted and reliable team to get your project done, you’ve come to the right place! Osterhoff Construction is a locally owned business that has steadily built not only quality decks and expansions over the last two decades, but we’ve also built an impeccable reputation in and around the St. Louis area.

You might be wondering what makes our company rise in prominence among other contracting businesses? Simply put, it’s quality, quality, quality!

Call Osterhoff Construction today at (314) 277-8617.

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Excellence in Exterior
Space Design

We’re proud to say that we can make some of the most unique, detailed, and beautiful designs become a reality for your home or business. Whatever you are planning, we can work with you, and give you our best advice and support.

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Quality in Outdoor
Construction Materials

We only use the best materials in our building projects because we want our work to be durable, attractive, and practical. AZEK® and TimberTech® are our suppliers for PVC composite decking, and we also work with natural lumber as well.

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Professional Exterior
Construction Team

When our team arrives on the job, you can expect them to be punctual, skillful, and quick. We value your time as much as our own, and without sacrificing precision in detail, we take extra effort to get the project done well and on time.

Personal and Professional Project Design


No two clients are alike, and we don’t expect them to be. Every project is the personal expression and desire of our customers, and we understand when things need to be done a certain way. Our team can work with you, and give professional tips and advice concerning the logistics, design, and construction of your decks, pergolas, and covered porches.