Plymouth Residential and Commercial Real Estate Consulting. Main St Realtors is a full service Real Estate Brokerage specializing in Plymouth and Northville Michigan. Our Plymouth Realtors work to with you to Buy or Sell your home or business. Our professional team of Real Estate Agents can assist you with the following: Lease, Rent, Lease Option, Land Contract, 1031 Exchange, Foreclosures, Short Sales, Property Management and Mobile Home Sales in the Plymouth and Northville area.