Public housing in Puerto Rico is a subsidized system of housing units, mostly consisting of housing projects (, , or ), which are provided for low-income families in Puerto Rico. The system is mainly financed with programs from the US Department of Housing and Urban Development (HUD) and the US Department of Agriculture USDA Rural Development. As of 2020, there were 325 public housing developments in Puerto Rico. Introduction Neighborhoods in Puerto Rico are often divided into three types: barrio, , and (public housing). An is a type of housing where land is developed into lots, often by a private developer, and where single-family homes are built. Non single-family units, such as condominiums and townhouses fall into this category. Public housing, on the other hand, are housing units built with government funding. These have traditionally consisted of multi-family dwellings in housing complexes: in a (neighborhood) or in a also called a (public housing). This is housing where all exterior grounds are shared areas. Increasingly, public housing developments that look like garden apartments are being built. Finally, a home that is located in neither an nor of a public housing development is said to be located in a barrio. In Puerto Rico, a barrio also has a second and official meaning- the geographical area into which a municipality of Puerto Rico is divided for administrative purposes. In this sense, urbanizaciones, public housing developments, as well as one or several "barrios" in the popular sense of the word, may be located in one of the 902 official geographic areas which are seen on the Puerto Rico US Census records. History By the early 1940s was addressing the issue of subpar housing in Puerto Rico. A law passed in Puerto Rico in 1945 allowed housing agencies to clear slum areas (). One of the provisions of the US Housing Act of 1949 did the same. As a result of the 1949 law, agencies in Puerto Rico sent plans for the construction of (housing) to Washington, DC for approval and by August 1952, the building of 9,890 new units across Puerto Rico had been authorized. Law 93-383 passed by the US Congress on August 22, 1974 for the improvement of residences, included Puerto Rico. The Puerto Rico Department of Housing, created in 1972, succeeded the Urban Renewal and Housing Corporation, or (CRUV, its Spanish acronym), which was created in the late 1950s to succeed