About us. Maddox Landscaping & Lawn Co. is a family owned business in Richmond, TX. Maddox is your single source for a custom outdoor living environment. With over 35 years experience, we take great pride in our uncompromising level of quality and craftsmanship. Our team is committed to overseeing every aspect of your project, while ensuring that every element is executed to the highest standard. Our goal with each project, no matter the size or ...