A free walk-in informational session on affordable rental and homeownership programs takes place Oct. 20 and at different locations in the coming month, a city spokeswoman said.

The Monday session runs from 6 to 8 p.m. at the second-floor community room at the Putnam Gardens Community Room, 64 Magee St., in the Riverside neighborhood Housing staff from the Community Development Department will be available to discuss the city’s affordable rental and homeownership programs. For information, call (617) 349-4622.