Chicago Housing Authority | 23,466 followers on LinkedIn. The Chicago Housing Authority provides affordable housing to more than 65,000 households in the City of Chicago. | CHA’s vision is to foster strong, vibrant communities throughout Chicago by increasing affordable housing choices for low-income families. CHA is also the largest rental housing owner in the City of Chicago. We serve more than 135,000 people in 65,000 households across the city through our Public Housing, Housing Choice Voucher (HCV), and Project-Based Voucher (PBV) programs.