Remodeling Contractors

Clayton, MO

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One-Year Labor Warranty

LP BuildSmart & Owens Corning Preferred Contractor

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Elevate Your Home with ST Evans, Inc Renovation and Remodeling Projects

Since 1994, ST Evans, Inc. has been the trusted name in renovation and remodeling for homeowners across the St. Louis area. As a family-owned business with more than 50 years of combined experience, we've built our reputation on delivering exceptional results that exceed expectations. Our team of skilled craftsmen and designers are dedicated to bringing your vision to life, whether you're dreaming of a cozy four-seasons room or a spacious garage addition. As leading remodeling contractors in Clayton, MO, we specialize in personalized home transformations that fit your lifestyle and aesthetic preferences. We work closely with clients at every step, offering creative design solutions, expert guidance, and superior craftsmanship to ensure every detail reflects your personal style perfectly.


We understand that your home is more than just a building—it's where memories are made and dreams take shape. That's why we approach every project with meticulous attention to detail and a commitment to quality that's second to none. As a fully licensed, bonded, and insured contractor, you can trust us to handle every aspect of your renovation with professionalism and care. From securing the necessary permits to offering flexible financing options and discounts for military, veterans, first responders, and seniors, our team of remodeling contractors ensures every project is completed on time, on budget, and to your exact specifications. We prioritize clear communication, innovative design strategies, and precise execution, ensuring your home remodel is seamless, stress-free, and exceeds every expectation for comfort and functionality. Contact us today for a free estimate and experience the ST Evans difference!

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ST Evans, Inc. - Grimm Renovation

ST Evans, Inc. Introduction Video

Why Choose Us

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One-Year Labor Warranty

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LP BuildSmart & Owens Corning Preferred Contractor

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Free Estimates

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Military, Veteran, First Responder & Senior Discounts 

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Fully Licensed, Bonded, & Insured

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We Handle All Needed Permits

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Four-Seasons Rooms

Imagine enjoying the beauty of nature year-round from the comfort of your own home. Our four-seasons rooms are designed to do just that, providing a seamless blend of indoor comfort and outdoor views. We use high-quality materials and expert craftsmanship to create a space that's comfortable in any weather, allowing you to make the most of your property throughout all four seasons. These rooms provide extra living space, increase home value, and bring light and warmth to your everyday life.

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Garage Additions

Need more space for your vehicles or a workshop? Our garage additions are tailored to your specific needs and seamlessly integrated with your existing home. We handle everything from design to construction, ensuring that your new garage not only provides functional space but also enhances your home's value and curb appeal. Every project is carefully planned, maximizing efficiency and durability while complementing your home's existing style perfectly.

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Home Additions

Growing family? Home office needs? Whatever your reason for wanting more space, our home additions are the perfect solution. We work closely with you to design and build additions that blend seamlessly with your existing home, both inside and out. From extra bedrooms to expanded living areas, we'll create the additional space you need to live comfortably. Depend on our experienced remodeling contractors in Clayton, MO to deliver results that combine style, function, and lasting quality.

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Three-Seasons Rooms

Maximize your outdoor living space with a beautiful three-seasons room. These versatile additions provide a perfect spot to relax and entertain for most of the year. Our designs incorporate ample windows and screens to let in fresh air and natural light, creating a bright, airy space that connects you with the outdoors while offering protection from the elements. These rooms are perfect for entertaining, relaxing, or enjoying the outdoors while staying protected, stylish, and comfortable all year long.

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

At ST Evans, Inc, we take pride in providing exceptional contracting and building services to our customers. We would be grateful if you could share your thoughts about our services with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of ST Evans and let others know what you think.

Frequently Asked Questions

Renovating a home can transform not just your living space but also your daily lifestyle. From expanding rooms to updating kitchens and bathrooms, thoughtful remodeling enhances comfort, functionality, and aesthetics. Understanding the expertise and approach of a remodeling team can help homeowners make informed decisions and feel confident about their projects. With professional guidance, your vision becomes a reality, and practical challenges are managed efficiently. Every home is unique, and tailored solutions ensure a seamless and satisfying experience.

  • What types of remodeling services do you offer?

    We provide a comprehensive range of remodeling services, including room additions, garage additions, decks, patios, siding, windows, doors, roofing, and custom builds. Our remodeling contractors in Clayton, MO ensure each project meets your specific needs, blending style and functionality. Whether you want minor updates or full-scale renovations, our team handles every detail professionally.

  • How long has your company been serving homeowners in the area?

    ST Evans, Inc has been a trusted name in home remodeling since 1994. With decades of experience, our team has developed extensive knowledge of local styles, materials, and building codes. As remodeling contractors in Clayton, MO, we have a proven track record of delivering quality results that homeowners can depend on for years to come.

  • Do you provide free estimates for remodeling projects?

    Yes! We offer free estimates to help homeowners understand project scope, timelines, and potential outcomes. This allows clients to plan confidently without surprises. Our remodeling contractors in Clayton, MO provide transparent guidance and detailed proposals, making it easier to visualize the final result and ensure satisfaction before construction begins.

  • How do you handle permits and building regulations?

    We manage all necessary permits and ensure every project complies with local building codes. Our team communicates with municipal offices, reducing stress and ensuring legal compliance. We also coordinate inspections, handle documentation efficiently, and provide guidance on code requirements to keep projects on schedule.

  • Can you work within my existing home design?

    Absolutely. We specialize in seamless integrations that respect your home's architecture. Our designs complement your existing layout, maintaining both aesthetic cohesion and structural integrity. We carefully select materials, match finishes, and plan every detail to ensure your remodeled spaces feel natural and harmonious.

  • What is your approach to project timelines and scheduling?

    We create detailed project plans with clear milestones, coordinating all trades efficiently. Homeowners receive regular updates to track progress, helping minimize disruptions and ensuring timely completion. Our team also anticipates potential challenges, adjusts schedules proactively, and communicates changes promptly to keep every project running smoothly.

  • How do you ensure quality and craftsmanship in remodeling?

    We use high-quality materials and experienced craftsmen to guarantee durable, long-lasting results. Every detail is carefully inspected, from structural components to finishing touches.

  • What kind of warranties or guarantees do you provide?

    ST Evans, Inc backs all work with a one-year labor warranty. Additionally, manufacturer warranties cover materials, giving homeowners peace of mind about the durability of their remodels. We also provide guidance on proper maintenance, offer follow-up support, and address any concerns promptly to ensure long-term satisfaction.

  • How can remodeling improve my home's value and functionality?

    Thoughtful renovations increase property value, improve energy efficiency, and enhance daily living. From modern layouts to practical upgrades, a remodel can make your home more enjoyable and functional. Partnering with our remodeling contractors in Clayton, MO ensures each improvement maximizes both style and utility.

  • How do I get started with a remodeling project?

    Simply contact us for a consultation. We discuss your goals, assess your home, and provide a clear plan. Our remodeling contractors in Clayton, MO work closely with you every step of the way, ensuring your vision becomes reality efficiently and beautifully.