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Designer Decks By MJ, Inc.

"Where Your Backyard Dreams Take Shape"

About Us

Since 1988, Designer Decks By MJ, Inc. has proudly served Morris, IL, along with Grundy and Will counties and surrounding communities, as a trusted name in outdoor living. What began as a small, locally rooted business has grown into a premier provider of custom-built decks, gazebos, pergolas, and fencing solutions. With over three decades of experience, we’ve built a reputation for quality craftsmanship, personalized service, and a deep commitment to helping homeowners create spaces they love.

Our specialty lies in designing and constructing outdoor features that blend beauty, function, and durability. As certified Trex Pro Installers, we bring industry-leading composite decking to life—offering low-maintenance, long-lasting solutions that elevate any backyard. Whether you're dreaming of a spacious deck for entertaining or a quiet retreat for morning coffee, our team works closely with you to bring your vision to reality.

We also proudly partner with Acosta Fence in Morris, IL, delivering expert fencing installations in vinyl, wood, aluminum, and more. From privacy fences to decorative boundaries, we offer styles and materials to suit every need and aesthetic. Our fencing solutions are designed to complement your outdoor space while providing security and curb appeal.

Beyond construction, Designer Decks By MJ, Inc. offers a range of practical services to support your property year-round. Our bulk delivery service ensures timely arrival of materials for your projects, while our Bobcat services provide efficient site preparation and cleanup. When the seasons change, our snow and debris removal keeps your property safe and accessible.

At the heart of everything we do is a passion for outdoor living and a dedication to our customers. Every gazebo we build becomes a gathering place, every pergola a shaded sanctuary, and every fence a frame for cherished memories. We take pride in being part of your home’s story—crafting spaces where life happens, laughter echoes, and moments are made.

Thank you for considering Designer Decks By MJ, Inc. We look forward to helping you build something beautiful.

Areas Served

Grundy County, IL | Will County, IL

Our Professional Associations

Chamber of Commerce
National Federation of Independent Business (NFIB)

Our Certifications

Licensed
Bonded
Insured

What We Offer

Our Specialties include:

At Designer Decks by MJ, Inc., outdoor living is more than a service—it’s a craft. As certified Trex Pro Installers, we bring durable, low-maintenance composite decking to life with precision and style. Our partnership with Acosta Fence in Morris, IL allows us to offer expert fencing solutions in vinyl, wood, aluminum, and more—each tailored to enhance privacy, security, and curb appeal. From custom decks that become the heart of your backyard to elegant gazebos and stylish pergolas that add shade and sophistication, we specialize in creating spaces where families gather, relax, and make lasting memories. Every project is built with care, backed by experience, and designed to elevate your outdoor lifestyle.

Our Services include:

Bulk Delivery: Need materials delivered for your outdoor project? We’ve got you covered. Our bulk delivery service ensures everything arrives on time and ready for installation—whether it’s lumber, decking supplies, fencing, or landscaping materials.
Bobcat Services: Our Bobcat services bring muscle and precision to your property. From site prep and grading to post-project cleanup, we help shape your outdoor space with efficiency and care, laying the groundwork for beautiful builds.
Snow and Debris Removal: Illinois winters and construction messes don’t stand a chance. We offer dependable snow and debris removal to keep your property safe, clean, and functional—whether it’s seasonal maintenance or post-project tidying.
Trex Pro Installers: As certified Trex Pro Installers, we specialize in building composite decks that are durable, low-maintenance, and stunning. Trex products offer long-lasting beauty, and our team ensures every installation meets the highest standards.
Fencing with Acosta Fence (Morris, IL): In collaboration with Acosta Fence, we provide expert fencing solutions for homes and businesses in Morris, IL and surrounding areas. From classic wood to sleek aluminum, durable vinyl, and versatile chain-link, we install fences that offer privacy, security, and curb appeal.
All Types of Fencing
We install a wide range of fencing styles to suit every need. Vinyl Fencing: Clean, modern, and low-maintenance—perfect for families and busy homeowners. Wood Fencing: Timeless charm with customizable styles, from picket to privacy. Aluminum Fencing: Elegant and rust-resistant, ideal for pool areas and decorative boundaries.
Chain-Link & Specialty Fencing: Practical solutions for pets, property lines, and commercial spaces.
Decks: Your deck is more than a structure—it’s a space for connection, relaxation, and celebration. We design and build custom decks that reflect your lifestyle and enhance your home’s outdoor living potential.
Gazebos: Add a touch of elegance and shelter to your yard with a custom gazebo. Whether it’s for entertaining, relaxing, or simply enjoying the view, our gazebos are built to be both beautiful and functional.
Pergolas: Our pergolas offer shade, style, and structure to your outdoor space. Whether freestanding or attached, they create inviting areas for lounging, dining, or showcasing your garden.

Our Brands include:

Trex and other composites available

Our Products include:

Custom Designed Decks
Fences
Trellis
Vinyl, Wood, Aluminum and all types of Fences

Testimonials

On 4/19/2024 KEN PRATL had this to say:
Very good work, finished ahead of schedule, price was ok.

On 10/15/2023 Beau W had this to say:
Great company! They did exactly what they said they would and cleaned up everything. 5 stars

On 4/22/2023 Mindy Collins had this to say:
We’ve had a couple of odd projects that Jim was able to complete for us. We are very happy with his work! Thanks Jim! Testimonial written by Mindy Collins on this site.

On 3/9/2021 Molly Ann Reier had this to say:
We had our deck installed last summer and we were very pleased with the work Jim and his team did!! We have received many compliments from our family and neighbors. Jim stayed within our budget and provided excellent customer service!!

On 5/14/2020 Bonnie Lynn Gray had this to say:
Great company and does great work. ask for Jim

Contact Us

Designer Decks By MJ, Inc.
Morris, IL 60450
Phone: (815) 941-4910
Email: siegelfrmr13@hotmail.com

Where To Find Us

Payment Types Accepted

Visa, MasterCard, Personal Checks, Debit Cards, Cash, Zelle

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM

News

Need a new fence before winter sets in? Designer Decks By MJ, Inc. offers custom fencing solutions that combine style, privacy, and durability. Whether you're securing your yard, enhancing curb appeal, or creating a safe space for pets and kids, we’ll design and install a fence that fits your needs and complements your property.

As the weather cools, it’s the ideal season to start planning or building your custom deck. At Designer Decks By MJ, Inc., we specialize in creating beautiful, durable outdoor spaces that enhance your home and lifestyle. Whether you're envisioning a cozy backyard retreat or a spacious entertainment area, our team brings your vision to life with expert craftsmanship and personalized service.

We’re honored to have helped bring your deck vision to life! At Designer Decks By MJ, Inc., we take pride in offering thoughtful planning, professional craftsmanship, and a crew that treats your home with respect. Hearing that the results were fabulous and the cleanup thorough means everything to us. If you're thinking about upgrading your outdoor space, we’d love to help. From custom decks to durable fencing, our team is ready to deliver quality work and a smooth experience from start to finish.

Spring is here, and so is the opportunity to transform your outdoor spaces with Designer Decks By MJ, Inc.! From custom decks to beautiful gazebos, we craft your dream backyard. Call us for a free design consultation!

FAQ

What types of materials do you use for building decks?

We work with various materials including pressure-treated wood and composite, catering to your durability and aesthetic preferences.

How long does it typically take to complete a deck project?

The timeline depends on the project size and complexity, but an average sized deck of 200 sq ft typically takes 3-5 days to complete.

Do you offer free consultations and estimates?

Yes, please call or text us to set up your free consultation and estimate. We provide complimentary consultations and detailed estimates to help you understand the scope and cost of your project before we begin.

Can you design custom decks?

Absolutely, we specialize in creating custom deck designs tailored to your home’s architecture, personal style, and outdoor needs.

Are your services warrantied?

Yes, we offer warranties on our workmanship as well as manufacturers' warranties on materials we use, ensuring you peace of mind long after the project is complete.