The Sudbury Housing Authority has opened the application period for 10 units of new construction and will hold an informational meeting at 6:30 p.m. Aug. 15 in the community room at 55 Hudson Road. The income-eligible duplex units all have two bedrooms. The deadline for applying is Sept. 10 at 4 p.m. For more information, call MCO Housing Services at 978-456-8388.