Which type of regulations covers the dimension of property lots?

The correct choice relates to the regulations that specifically govern the layout and partitioning of land into smaller parcels or lots, which is addressed through subdivision regulations. These regulations dictate how land can be divided and what dimensions the resulting lots must adhere to, including size, shape, and sometimes even the type of structures that can be built on them.

Subdivision regulations ensure that new developments are planned in a way that adheres to public interests, including safety, infrastructure, and community standards. This framework is critical when new neighborhoods or developments are proposed, as it guides developers in creating lots that are practical, viable, and supported by local services.

In contrast, zoning ordinances focus more broadly on land use and determine how various parcels of land can be used—such as residential, commercial, or industrial purposes. Environmental controls generally concern how land use impacts the environment, while building codes set standards for the construction and safety of buildings rather than specifying dimensions of the lots themselves. Each of these areas plays a role in real estate and land use, but subdivision regulations are specifically tailored to address the measurements and partitioning of property lots.