The tenants ‚initiative „Stop Heimstaden“ is an initiative organized on the basis of democracy, which was founded on October 21, 2020 with the support of the Mieter:innengewerkschaft, the IniForum Berlin and other tenant initiatives as a reaction to the purchase of over 130 houses by Heimstaden in Berlin. The networking of over 130 houses is based on self-organization and networking of house communities at house level and at district level.