363 Maine Street, #10, Brunswick, ME, Maine 04011. The Cottages On Upper Maine is a planned Unit Development of 10 homes. The road, common areas, driveways and walkways will all be maintained by the association. 363 Maine is the original house on the former undeveloped site. The exterior of the house has been beautifully upgraded. The interior is in nice, very livable condition, and ready for a new owner's upgrades and improvements.