Sec. 342.003 TX Local Gov't Code, grants municipalities the power to regulate the construction of party walls.
Unless prohibited by local ordinance or building code, a wall may acquire the status of a party wall pursuant to an express or implied contract or agreement between adjoining landowners.
A wall may acquire the status of a party wall by the conveyance of land on which it stands or which it adjoins and serves or is intended to serve for building purposes.
The conveyance of lands separated by a common wall on the dividing land may give rise to easements in the nature of a party wall.
A right to an easement of support in a wall may arise through use during the pertinent prescriptive period, whether the wall rests wholly on the land of one of the adjoining landowners or in part on the land for each.
Party walls generally take one of four primary forms: