SI Outdoor
Led by Experience. Driven by Values.
SI Outdoor is a full-service landscaping company serving Colorado’s Front Range, led by founder Zach Dinkel. Built on a foundation of design-build construction and operational excellence, SI Outdoor delivers outdoor environments with precision, accountability, and a consistent standard of craftsmanship. Every project is approached with structure, clear communication, and dependable execution from start to finish.
With experience spanning high-end residential landscapes, HOAs, and large-scale commercial properties, SI Outdoor is positioned as a long-term partner—not just a contractor. Zach’s hands-on leadership, combined with modern systems and smart planning, ensures each outdoor space is thoughtfully designed, efficiently built, and aligned with the property’s long-term needs.
Driven by a design-focused mindset and a commitment to performance, SI Outdoor selects materials and construction methods for durability, consistency, and lasting value. The result is outdoor spaces that elevate properties, build trust, and stand the test of time.