This presentation will explore whether the ideas put forth by Jane Jacobs in The Death and Life of Great American Cities – her considerations about the role of urban design in the quality of life of the residents of actual cities – are still relevant almost half a century after the book’s publication. The intention is to show how a housing project with a design based on ideas proposed by Jacobs (such as small city blocks, a strong relationship between buildings and their surroundings, the permanent presence of people in streets and parks, mixed land use, high density, and generous public space) can contribute to the livability and functionality of a human habitat. The housing project that will be analyzed based on Jacobs’s principles is named ‘La Felicidad.’ It is located very close to downtown Bogotá and is currently in the initial phase of development. The expected residential population will be 60,000. It will have 17,000 housing units for families of various incomes and social backgrounds. It will also have commercial and community (health, educational and institutional) facilities. The essence of this project is its character of total openness and integration into the actual city, counter to the current real estate development trend of gated communities and enclaves, which are the standard approach for housing projects in Latin American cities, and especially in Bogotá. As the head designer of ‘La Felicidad,’ I will address issues like the difficulty of obtaining approval from city authorities (a process that took almost six years), the doubts of developers and investors with regards to working outside the market preferences for housing and commercial projects, the risks of making changes to the initial approach now that the architects are developing individual parcels of the big plan, and the optimistic belief that, with this project, it will be possible to create a precedent that can be replicated with social and commercial success in other Colombian and Latin American cities.