Skip to content

§ 21071. URBANIZED AREA; DEFINITION

CEQA Statute and Guidelines (2025 consolidated text) · 2026 edition · updated 2026-10-05 · California

“Urbanized area” means either of the following:

  • (a) An incorporated city that meets either of the following criteria:

    • (1) Has a population of at least 100,000 persons.

    • (2) Has a population of less than 100,000 persons if the population of that city and not more than two contiguous incorporated cities combined equals at least 100,000 persons.

  • (b) An unincorporated area that satisfies the criteria in both paragraph (1) and (2) of the following criteria:

    • (1) Is either of the following:

      • (A) Completely surrounded by one or more incorporated cities, and both of the following criteria are met:

        • (i) The population of the unincorporated area and the population of the surrounding incorporated city or cities equals not less than 100,000 persons.

        • (ii) The population density of the unincorporated area at least equals the population density of the surrounding city or cities.

      • (B) Located within an urban growth boundary and has an existing residential population of at least 5,000 persons per square mile. For purposes of this subparagraph, an “urban growth boundary” means a provision of a locally adopted general plan that allows urban uses on one side of the boundary and prohibits urban uses on the other side.

    • (2) The board of supervisors with jurisdiction over the unincorporated area has previously taken both of the following actions:

      • (A) Issued a finding that the general plan, zoning ordinance, and related policies and programs applicable to the unincorporated area are consistent with principles that encourage compact development in a manner that does both of the following:

        • (i) Promotes efficient transportation systems, economic growth, affordable housing, energy efficiency, and an appropriate balance of jobs and housing.

        • (ii) Protects the environment, open space, and agricultural areas.

      • (B) Submitted a draft finding to the Office of Planning and Research at least 30 days prior to issuing a final finding, and allowed the office 30 days to submit comments on the draft findings to the board of supervisors.

Get a plain-English answer with a citation back to this text.

Ask AI about this code
▸Contents — CEQA Statute and Guidelines (2025 consolidated text)

GoCodebook provides public access, search, citation, multilingual explanation, and practical interpretation of legally adopted building regulations. It is not a substitute for the official ICC or California code publications.