The aim of the study was to investigate and evaluate the activities of investment in dairy farms in the region of Mazowsze and Podlasie. Implementing studies were used primary data on the basis of own research conducted in 2013 in the region of Mazowsze and Podlasie on a group of 100 households selected in a targeted manner. The study used a survey method using questionnaire interview. The research shows that most in 2012 invested in machinery and tools, land and materials for construction projects. Owners frequently surveyed households plan to purchase land and livestock.