What is the difference....  Between commercial and residential?

What is the difference between commercial and residential?

Residential real estate includes any property used as a single-family dwelling and may also include multi-family up to and including four-family units. Commercial Real Estate is all other classes of buildings including all business-related such as offices, educational, non-for-profit, farm and ranch, condominiums, industrial, factories, and other non-residential properties. A real estate development property itself is considered Commercial even though it may contain residential properties. But the individual residential properties themselves are not commercial if they are sold individually.