California Code, Streets and Highways Code - SHC § 3100

(a) “Assessment” or “special assessment” means the original assessment and any reassessment or supplemental assessment upon lands within the assessment district.

(b) “Assessment district” means the territory containing the lands to be specially assessed.

(c) “Lienholder” means any person or city who as a result of proceedings taken under the principal act and any bond act used in conjunction therewith, owns or is entitled to enforce a lien against a specifically described lot, parcel, or piece of land within the district.

(d) “Bond act” means any statute, charter, or procedural ordinance under which bonds are issued (1) to represent unpaid special assessments imposed in proceedings taken pursuant to the principal act or (2) which are secured by authority to levy special taxes conferred in proceedings taken pursuant to the principal act.

(e) “City” means any city, county, city and county, district, public corporation, or public entity authorized to use the principal act.

(f) “Community facilities district” means the territory within a district formed purusant   1 to the Mello-Roos Community Facilities Act of 1982, Chapter 2.5 (commencing with Section 53311) of Part 1 of Division 2 of Title 5 of the Government Code.

(g) “District” means an assessment district or community facilities district.

(h) “Legislative body” means the legislative body or governing board of a city.

(i) “Map of the district” means a plat or map indicating by a boundary line the extent of the territory included in the district.

(j) “Principal act” means the statute, charter, or procedural ordinance under which the proceedings are being conducted.

(k) “Proceedings” means proceedings taken pursuant to the principal act for the construction of any public improvement or the acquisition of any property for public use, or both, or for the furnishing of services pursuant to the Mello-Roos Community Facilities Act of 1982, Chapter 2.5 (commencing with Section 53311) of Part 1 of Division 2 of Title 5 of the Government Code, where (1) any part of the cost thereof is to be paid by special assessments levied upon lots, parcels, or pieces of land within a district in proportion to the benefits to be received by each lot, parcel, or piece of land from that improvement or acquisition, or (2) any part of the cost thereof is to be paid by special taxes levied or authorized to be levied upon lots, parcels, or pieces of land within a community facilities district.

(l) “Sale or foreclosure” means any action or proceeding by any city officer or in any court for the enforcement of payment of special taxes, principal, or interest due upon any special assessment or bond constituting a lien against real property by the sale or foreclosure of all or any part of the real property or the lien.