Norway’s largest housing developer, OBOS, is demanding answers from the City of Oslo regarding potential overbilling for waste management services. This action follows a similar threat of legal action from USBL, another housing association. Both companies allege discrepancies in the city’s waste disposal charges, suggesting they may have been unfairly inflated. OBOS expects the city to rectify the billing issues and is seeking clarification on the charges. The dispute centers around concerns that Oslo is improperly allocating costs to housing associations. The city has not yet publicly responded to the allegations, but the pressure is mounting as two major players in Oslo’s housing market challenge the current system. Legal proceedings could potentially follow if a resolution is not reached.