Petaluma’s affordable housing program has built or improved 1,336 housing units for low income families. This equates to 22% of all the housing units built in Petaluma over the past 15 years. The housing program also manages the City’s Community Development Block Grant (CDBG) program. The CDBG is a grant program that provides funds to the City to pay for projects and programs that help low income households. The City works with local nonprofit partners to create and manage the local housing projects and programs.The Housing Program collects fees from new development to fund the cost to make housing affordable. One fee program, called the Commercial Linkage Fee, collects money from commercial development. The other program, called the In-Lieu Fee, collects fees from housing development.