When someone intentionally builds a building or part of a building on land owned by another, the land owner may obtain an injunction ordering removal of the trespassory structure. But when someone innocently builds a structure that encroaches on neighboring property, many courts today applied the undue hardship or relative hardshp doctrine and allow the structure to remain on the ground that land owner is partly at fault for not noticing the incursion and stopping it before substantial expense is undertaken by the innocent builder. In such cases, the court usually orders a forced sale of...
Read more about House that substantially encroaches on neighboring property is a continuing trespass and neighbor has the right ask for its removal