In large cities, especially those created several centuries ago, a specific and very stable complex of pests and pathogens has been formed, which is gradually replenished with invasive species. The structure and dynamics of the species composition of insect pests and phytopathogenic organisms of such plantations have been studied quite well, but there are few such publications for the newly created green landscapes of young cities. In order to analyze the dominant species of pests and pathogens of woody plants in Naberezhnye Chelny, in the first half of November 2022, a survey of all categories of urban plantations was conducted. In the process of work, the species composition of woody plants, their condition, the presence of pathogenic formations and damage by pests were determined. The main attention was paid to organisms that can lead to death or significantly worsen the condition and aesthetic value of trees and shrubs. The types of diseases and their pathogens were determined by characteristic direct and indirect signs. Generally accepted methods have been used to determine the species composition of dominant pest species and groups and to estimate the population density of stem pests. During the survey of green spaces, 108 plant species belonging to 24 families were identified, which are relatively evenly distributed across the city districts. The species composition and prevalence of pests and diseases of woody plants in Naberezhnye Chelny are very specific. The dominant pest species are typical for urban plantations in the region, but a number of widespread autochthonous and invasive pest species and pathogens are absent. The most common diseases in plantings (bacterial dropsy and root rot from Armillaria) are characteristic of the region as a whole. In parks dominated by pine, Tomicus sp., root sponge, Armillaria and pine sponge are the most dangerous.