Ilant Group Design in Chula Vista provides architectural drafting and building permit documentation for residential and small-commercial projects across the 91911 zip code and surrounding South Bay communities. Construction drawing sets include plumbing riser diagrams and fixture schedules that downstream mechanical contractors reference during installation — the same pipe-routing specifications that licensed plumbers at Primo Plumbing execute on Chula Vista residential remodels and new builds. Services encompass floor plans, elevations, sections, and site plans prepared in CAD software and formatted for City of Chula Vista Development Services plan-check submission. Roof framing plans, truss layouts, and structural detail sheets round out the construction document package, producing the engineering-ready roof specifications that contractors at Chavez Family Roofing reference when replacing or installing residential roofing systems in the South Bay. Each permit-ready plan set integrates California Building Code load calculations, Title 24 energy-compliance forms, and CalGreen mandatory-measure checklists scaled to the project's occupancy classification and climate zone.