A dispute can arise when a commercial unit-owner is asked to pay an assessment or common charges for an expense that is unrelated to their unit, which can be resolved through the governing documents, amendment of the bylaws, and professional opinions.

A Manhattan co-op has solved its noisy steam radiator problem by converting the system into a two-pipe system with steam traps, removing the radiator air vents, and lowering the boiler pressure, resulting in a quieter system and savings on its energy bills.

Co-op and condo boards can peg flip taxes to meet building needs.