Self-Storage Site Map Design

I need a clear, customer-friendly 2D map for our new Oamaru Self Storage site (around 250 units). Please model the look and feel on the map we use at our other facility, then overlay the new layout once I have approved the basic building footprints... (Budget: $30 - $250 AUD, Jobs: 2D Drafting, 2D Drawing, Adobe Illustrator, Adobe Photoshop, Graphic Design, Illustration, Illustrator, Photoshop, Print Design, Vector Design)