Custom Deck Construction

St. Charles County, MO Area

Lifetime Craftsmanship Warranty

A+ Rating With the BBB

Free Estimates Within 48 Hours

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Transform Your Outdoor Living Space with Custom Deck Construction

At Gateway Exteriors, we're passionate about creating stunning outdoor spaces that enhance your home and lifestyle. Since 1982, we've been the trusted name in custom deck construction throughout St. Charles County, MO and the surrounding areas. Our team of skilled craftsmen brings over four decades of experience to every project, ensuring that your new deck isn't just beautiful, but built to last. We take pride in our attention to detail, commitment to quality, and dedication to customer satisfaction.

As a family-owned and locally-operated business, we understand the importance of creating a space where memories are made. That's why we offer a lifetime warranty on our craftsmanship and use only the finest materials with robust product warranties. We don't believe in cutting corners or subcontracting our work – our long-tenured employees handle every aspect of your deck construction with the utmost care and precision. Our A+ rating with the BBB is a testament to our commitment to excellence. Ready to elevate your outdoor living experience? Contact Gateway Exteriors today, and let's bring your dream deck to life!

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Why Choose Us

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Lifetime Craftsmanship Warranty

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A+ Rating With the BBB

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Free Estimates Within 48 Hours

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In Business Since 1982

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Product Warranties Honored

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No Subcontractors

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Composite Decks

Our composite decks offer the perfect blend of beauty and durability. These low-maintenance options resist fading, staining, and scratching, providing you with a stunning outdoor space that stands the test of time. We'll help you choose from a wide range of colors and textures to complement your home's exterior.
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PVC Decks

For those seeking ultimate durability and minimal upkeep, our PVC decks are an excellent choice. These decks are resistant to moisture, insects, and UV rays, ensuring your outdoor space remains pristine for years to come. We offer a variety of styles to suit your aesthetic preferences.
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Under-Deck Drainage Systems

Maximize your outdoor living space with our innovative under-deck drainage systems. These clever installations channel water away from the area beneath your elevated deck, creating a dry, usable space perfect for storage or additional living area. It's a smart way to get more value from your deck investment.
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Vinyl Decks

Our vinyl decks offer a sleek, modern look with exceptional durability. These decks are resistant to moisture, mold, and mildew, making them ideal for pool areas or regions with high humidity. We'll work with you to design a vinyl deck that perfectly suits your home and lifestyle.
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Wood Decks

For those who appreciate the timeless appeal of natural wood, our custom wood decks are an excellent choice. We use high-quality, treated lumber to ensure longevity and beauty. Our expert team can create intricate designs, built-in seating, and other custom features to make your wood deck truly one-of-a-kind.
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Recent Projects

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Here's what our satisfied clients are saying...

At Gateway Exteriors, we take pride in providing exceptional exterior improvement services to our clients. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Gateway Exteriors and let others know what you think.