California Code, Health and Safety Code - HSC § 33320.1

(a) “Project area” means, except as provided in Section 33320.2, 33320.3, 33320.4, or 33492.3, a predominantly urbanized area of a community that is a blighted area, the redevelopment of which is necessary to effectuate the public purposes declared in this part, and that is selected by the planning commission pursuant to Section 33322.

(b) As used in this section, “predominantly urbanized” means that not less than 80 percent of the land in the project area is either of the following:

(c) For the purposes of this section, a parcel of property as shown on the official maps of the county assessor is developed if that parcel is developed in a manner that is consistent with zoning standards or is otherwise permitted under law.

(d) The requirement that a project be predominantly urbanized shall apply only to a project area for which a final redevelopment plan is adopted on or after January 1, 1984, or to an area that is added to a project area by an amendment to a redevelopment plan, which amendment is adopted on or after January 1, 1984.