A mother in Costa Rica spent nine years saving money to buy a plot of land in Alajuelita, a town near San José, and later built a house using about seven tons of recycled plastic. The house, which is 72 square meters in size, was constructed with 850 blocks made from waste materials. The project was supported by Habitat for Humanity Costa Rica, an organization that chose the case based on Cindy Mora’s economic need and the availability of a suitable plot of land. Companies such as Procter & Gamble, Urbarium, and Ekojunto provided materials, coordination, and technical support for the project. Construction began in April 2018, with Ekojunto designing the special plastic blocks from recovered waste. Assembling the walls required over 800 hours of volunteer work, and Cindy Mora received the keys to her new home in May 2018. The house features traditional materials for the foundation, roof, plumbing, electricity, doors, and windows, while the walls were coated and painted, giving the structure a conventional appearance from the outside. Inside, the house includes two bedrooms, a bathroom, and living areas. In 2019, the estimated value of the house was 15 million Costa Rican colones, or about 25,000 dollars. Cindy Mora says the house is comfortable, with walls that help control heat and reduce noise. Urbarium, one of the project’s participants, claimed the house could last about 200 years and is resistant to fire and floods. However, these claims should be considered carefully, as Urbarium is a promoter of the project. The house represents a small part of Costa Rica’s daily plastic waste, which amounts to 564 tons per day, with only 14 tons being recycled, according to the Ministry of Health. Procter & Gamble has been involved in creating nine houses in the country since 2013, with two of them using mainly plastic blocks and a third combining plastic and cement. Cindy Mora’s house is part of a social housing program, though the technique of building with recycled plastic is not yet widely used on a large scale. After nine years of saving, Cindy Mora was able to provide a roof over her son’s head using recycled waste. The project demonstrates an ecological and accessible way to reuse materials, offering an innovative solution to both housing and waste management challenges in the region.