About Us



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.



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.  



We know that business is about more than serving our customers. That's why we consistently help meet special needs in our community.  In 2017 we served the people of Houston after hurrican Harvey. This year we're helping Frisco, TX based War Dog Foundation care for Special Operations K9's. 

About The Owner

Jeffery Riddle - Lead Pack Mule

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." 

Jeff graduated from Texas A&M and obtained his MBA from The University of Texas. 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 orginizations in North Texas. 

definition (Urban Dictionary):

pack mule 


1) a cross between a horse and a donkey;

2) someone who carries heavy objects over long distances for no pay or gratitude;

3) someone who can cross rough, slippery terrain in harsh outdoor environments.