The aim of the article is to diagnose ways of acquiring knowledge from residents in terms of the needs and possibilities of spatial development as well as to identify the princi-ples of this process in this area. Local spatial development plans were reviewed in terms of the crowdsourcing methods used, based on the analysis of secondary sources. In the theo-retical part, the crowdsourcing process was identified by presenting its genesis, essence and classification. The author pointed out the key components of civil crowdsourcing relevant to spatial management. In the empirical part, the methods of acquiring knowledge from residents were identified by reviewing local spatial development plans. The following methods were used in the manuscript: literature analysis, deductive reasoning, analysis and logical structure, document review. The results of the conducted research identified crowdsourcing methods which are used in the preparation of local spatial development plans, such as interactive forums, geo-questionnaire, geo-discussion, online consultations, the “Stacja-Konsultacja” platform. Crowdsourcing can be a source of knowledge of the needs and requirements of residents with regard to spatial development and can be used to improve local spatial development plans.