Modular Apartment Office & Storage - NYC Location

I need support building out a modular office space within a living room using bookcases and other customized storage solutions. This is a new apartment and there are two possible locations for the office space... (Budget: $250 - $750 USD, Jobs: 3D Design, 3D Rendering, AutoCAD, Building Architecture, CAD/CAM, Design Optimization, Interior Design, Revit, SketchUp)