All applications for a sign permit shall include a description and illustration of the sign to be erected, altered or reconstructed, including the message to be displayed, physical composition and materials, size, all dimensions, lighting, landscaping, and location of the sign. When a sign is being reviewed as part of a site plan, such plan shall also show locations of all signs. No permanent sign requiring a permit will be allowed to be placed on property not owned by the person seeking the permit without the express written consent of the property owner, his or her authorized agent or tenant upon whose property the sign is to be located.