For new, complete facilities, including executive and administrative offices double the circulation figure to arrive at the needed square footage. For the latter, a detailed space program showing floor space needs for various functions and analyzing future growth is necessary at this point to determine correct site size. City zoning requirements, such as number of parking spaces, setbacks from property lines and building height restrictions, will vary widely from place to place. Each potential site must be analyzed to determine how much acreage is needed to meet those requirements. Rules of thumb for site size are difficult to make because of this wide variation in zoning restrictions.
Patience is essential.
Ask your marketing people to polish their crystal ball to discern future market growth and new zones and distribution areas. Consulting these and other departments, will influence your site selection. You'll be a heavy hitter in the real estate market. Protect yourself early on. If you feel that his permanent office location should be kept secret, you can provide him with a toll-free phone number.