Native vegetation remnants represent a significant portion in the urban perimeter of several Brazilian cities. City master plan and zoning are tools that work together to balance the physical, biological, socioeconomic aspects of a city, and among its various attributions, it must also consider the specific laws, which provide vegetation protection. This paper objective is to delimit the remnants of native vegetation within the urban perimeter of Poços de Caldas and compare the results with city master plan 2018 proposal and applicable laws. The Integrated Geographic Information System was used to delimit vegetation, distinguishing the phytophysiognomies found between forest areas and altitude fields. According to the carried out characterization, the urban perimeter has 22.6% of its area composed of remnants of native vegetation, of which 44.2% are forested areas while 55.8% are composed of altitude fields. The Permanent Preservation Zones of city master plan proposal guarantee a fair protection of the forest areas, however most of high altitude fields lack of the same protection. In addition to guaranteeing the requirements required by law, the city can take advantage of various instruments that increase and improve measures to protect vegetation, what would return benefits to the community and environment.