Health & Saf. Code, § 80275

“Underutilized property” means property that meets all of the following conditions:

(a) It is located in an urban area.

(b) An economic activity is conducted on the property.

(c) It is the subject of a proposal for development pursuant to this chapter.

(d) One of the following applies:

(1) The economic activity on the property is irregular or intermittent in nature and uses the property for productive purposes less than four months in any calendar year.

(2) The economic activity on the property employs less than 25 percent of the property for productive purposes.

(3) The structures, infrastructure, and other facilities on the property are antiquated, obsolete, or in such poor repair that they cannot be used for the purposes for which they were originally constructed and require replacement in order to implement the redevelopment proposal.

(4) The economic activity conducted on the property is a parking facility or an activity that offers a similar marginal economic service and the facility or activity will be replaced when the property is redeveloped.

(5) The property is adjacent to one or more brownfields or underutilized properties that are the subject of a project under this chapter and its inclusion in the project is necessary in order to ensure that the redevelopment of the brownfield or brownfields or underutilized property or underutilized properties occurs.

(e) An underutilized property does not include any of the following:

(1) Property listed or proposed for listing on the National Priorities List pursuant to Section 105(a)(8)(B) of the federal act (42 U.S.C. Sec. 9605 (a)(8)(B)).

(2) Property that is, or was, owned or operated by a department, agency, or instrumentality of the United States.

(3) Property that will be the site of a contiguous expansion or improvement of an operating industrial or commercial facility, unless the property is an underutilized property described in paragraph (5) of subdivision (a) of Section 80230.