We're the Dallas, Texas Landscape Design Team That Makes Landscaping Dreams Come to Life

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Landscape Design

The Alterra Team of Expert Landscape Designers and Experienced Build Teams Know the Importance of Personalizing Your Outdoor Space

CARE - We design and build amazing outdoor spaces that add pleasure to your life and value to your property. We love what we do and we love our customers and treat every project as if it were our own home.

COMMITMENT - For over 20 years, we’ve collaborated with many wonderful clients on the most rewarding (and award-winning) projects. We are a design/build firm committed to understanding your goals, exploring the latest designs and achieving flawless installations for every project.

COMMUNITY - We know that business is about more than serving our customers. That’s why we consistently help meet special needs in our community. Our team served the people of Houston during hurricane Harvey, gives assistance to The War Dog Foundation and partners with Thrive Women’s Clinics in the DFW area.

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JEFFERY RIDDLE – OWNER/TEAM LEADER

Our Company Started Through a Deep Love of Our Craft, Our Customers, and Our Community

Jeffery has been designing and building beautiful landscapes and outdoor spaces in North Texas for well over 20 years. He grew up in the hill country outside Austin where he started his first landscape business.

“I started in the business mowing yards and learned to do everything in the field. That gives me great appreciation for the craft and how hard our teams work to make every project perfect and every single customer happy. Their dedication and staying true to our values is what has made Alterra successful.”

Jeffery graduated from Texas A&M University and earned his MBA from The University of Texas, Austin. He was born in Fort Worth and lives in Richardson. He and his wife Catherine have 5 children and 3 rescue dogs. They host UTD students in their home and support K-9 rescue organizations in North Texas.

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HAYDEN DAVENPORT - PRINCIPAL/TEAM LEADER

Hayden grew up in a family of builders and has been building since the time he could follow his dad around. From ground-up new builds to backyard renovations and even handmade furniture, he can do it all!

"I love what I do because I get the opportunity to serve people and help them design a space for family and friends to gather. Then I get to work with our crews to plan and execute the build and make clients' dreams come true!"

Hayden earned his bachelor's degree in Construction Science from Texas A&M University. He lives in Richardson with his wife Jenna, and their three daughters. He loves woodworking and any activity that's in the great outdoors!

HAYDEN DAVENPORT

TYLER BIGHAM - PRINCIPAL/TEAM LEADER

Tyler immersed himself into the landscape profession at an early age through his interests in nature’s scenery, outdoor sports, and agriculture. He is driven by his passion for creating beautiful, sustainable, and enjoyable spaces. He likes to push the envelope of creativity while keeping functionality and budget as a foundation for all projects.

"Do what you love, and love what you do! Taking a dream idea from a scratch piece of paper to a livable, enjoyable space is doing what I love, and seeing the excited looks on our clients' faces when the process is complete makes me love what I do a lot!"

Tyler compiled an extensive education with a degree in Plant Science from Lubbock Christian University and a Master’s degree in Landscape Architecture from Texas Tech University. Since then, he has developed a unique skill-set over 10 years in the DFW landscape industry. Tyler lives in Plano with his wife Bethany, and their three children. Tyler grew up in Lubbock and loves to be with family. His hobbies include outdoor sports, reading and playing board games.

CAMMY AGRAZ

CAMMY AGRAZ - OFFICE MANAGER

Cammy grew up all over the U.S., including stints in Oklahoma, Fort Worth, and Victoria, Texas. She helps manage the back office operations for Alterra. This frees up our designers to do what they do best - work with our clients to create landscapes and living areas they will love. She has seen their work up close and personal as she has been an Alterra client for two projects.

“I absolutely loved working with Alterra as a client and jumped at the chance to support Jeff, Hayden and Tyler. They truly value their clients and are passionate about what they do. It shows in every project.”

After getting her degree at the University of Georgia and honing her project management skills in the temporary employee industry (as well as raising three boys), Cammy attended the N.C. State School of Design, where she focused on landscape architecture and managed the operations of an interior design firm. She and her husband, Fito, live in Carrollton with their three pugs. Cammy considers herself lucky to look at an award winning Alterra masterpiece every day just outside her windows!

Listen to Our Clients Speak of the Quality of Our Care and Landscape Services

Choosing the right partner for your landscape’s design journey is important. Visit our reviews and testimonials page to see why each of our clients love both our design process and their new outdoor oasis.

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Each Project

Our Portfolio of Sustainable Landscapes, Outdoor Family Spaces, and More Is Built to Inspire

Every landscape is its own unique paradise. Our team of designers and landscape contactor specialists are focused on every landscape and outdoor living space project we complete. If you're looking for inspiration or that special wow factor to make your landscape a relaxing paradise, we invite you to browse through our gallery. Every image highlights our attention to detail, high-quality workmanship, and adherence to our clients' design visions and unique voices.

Take the First Step on Your Design Journey — Contact Our Team Today

Every project starts with a no-commitment walkthrough with one of our landscape designers so we can collaborate to create the perfect plan for your landscape. Contact us today to schedule an appointment and take the first step toward a custom outdoor oasis.

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We Collaborate with Property Owners in Dallas, Texas and Surrounding Communities

We proudly serve homeowners in the North Texas area, including:

Each design is created with your lifestyle, neighborhood, and goals in mind. Learn more about the areas we serve on our Service Area Page.