This is an excellent multi-tenanted office, retail, and/or medical building located on Route 23 in Windham, New York. This is a great business location entering the town of Windham. Multi-Tenanted Office, Retail and/or Medical building on Route 23, Windham New York NY. for lease.. Great business location entering the town of Windham. Commercial property for lease. spaces available for lease from 500-2,000 sq. ft. Also great for commercial business and contractors looking for exposure and yard space for storage or parking of vehicles. . The existing property can be expanded by an additional 2,500 sq. ft. for a total of 4,500 sq. ft. for lease.