The purpose of the County Subdivision Regulations is to regulate and control the division of land, the movement of lines between parcels, the removal of parcel lines, and the determination of parcel legality within the unincorporated territory of San Mateo County.

In addition, through these Subdivision Regulations it is the County’s intention:

  • To protect and preserve the public health, safety, and general welfare, to facilitate orderly growth and development, and protect natural resources.
  • To provide for the regulation and control of the design and improvement of subdivisions and the dedication of such improvements for public purposes in order to ensure the provision of adequate traffic circulation, utilities and services, and other infrastructure.
  • To protect the public and individuals from potential fraud and exploitation resulting from the improper division of real property.
  • To implement the goals and policies of the County General Plan and adopted area plans.