Abstract This paper considers contact-induced change in Izhma Komi subdialects spoken in Western Siberia. We focus on the interaction of Izhma Komi, first, with Russian and, second, with the indigenous Siberian languages (Nenets and to a lesser extent Khanty). The main emphasis is on the phenomena of pattern borrowing at various language levels, which mostly remained beyond previous studies. For instance, these include the borrowing of some phonotactic patterns, the copying of polysemy patterns, and changes in the properties of some grammatical constructions. We discuss how in each case the degree of contact-induced change depends on the sociolinguistic situation.