Our Mission
Trinity Underground is a boutique civil construction company specializing in 1 to 5-acre developments. Our focus is helping Phoenix developers with cradle to grave horizontal services from entitlement to C of O .
Services
Grading/Excavation
Water/Sewer
.
Storm Drain
Wet & Dry Utilities
Site Concrete
Paving
Developmental Services/ Entitlement
Vertical Solutions
Permit Management
As-Built Management
Public Report Guidance
