This book is about a study that examined the consequence of informal sector activities on land use management within Auchi, Edo State, Nigeria. This was achieved through investigation of socio-economic attributes of the respondents, nature of informal sector activities, land use information, causes of change of land use and land use management information. In line with the findings, the study recommends the utmost need for adequate preparing planning documents that must guide orderliness, the need for insistence of appropriate planning approval and permission in compliance with the zoning principles as approved by a gazette planning document for such area and Land owners/users should be sensitized on the importance of due process in their pursuit of property planning and development by emphasizing the associated adversities that incompatible land use changes may impact on the society among others.