John Greene Realtor 1311 S Route 59, Naperville, IL60564 John Green specializes in residential, land and commercial real estate. No matter what type of customer you are or…More what kind of house you're interested in buying, you're sure to receive excellent service from John Greene Realtors. As a result, this company has transacted more sales per agent than any other brokerage in the area. The reason for its success? John Greene loves the communities it serves.