La Verne Municipal Code Ch. 15.24 Flammable Roofs

Notwithstanding any other provisions of the building code and appendix or the hillside overlay zone requirements to the contrary, the roof of any new building, the roof of any addition to any existing structure, and the re-roofing of any existing structure, and the re-roofing of any existing building as described by Section 15.24.040 of this chapter shall have a roof covering as classified in Section 1505 of the 2025 California Building Code as amended by Title 26 Building Code of the Los Angeles County code (adopted November 25, 2025, by the Los Angeles County board of supervisors), as adopted by the city, except that no form of wood shall be used as the covering material. In cases of historical preservation which require the use of original types of material, permission may be granted based upon alternative protection measures approved by the city's building official and fire chief.

(Prior code § 9927; Ord. 663 § 1, 1983; Ord. 812 § 6, 1990; Ord. 878 § 3, 1996; Ord. 936 § 2, 1999; Ord. 961 § 2, 2002; Ord. 1000 § 11, 2007; Ord. 1020 § 5, 2010; Ord. 1042 § 4, 2013; Ord. 1075 § 4, 2016; Ord. 1088 §§ 2, 5, 2019; Ord. 1114 § 6, 2022;; Ord. 25-1137, 12/15/2025; Ord. 26-1139, 1/20/2026)

Open ends of roofs shall be capped to prevent bird nests or other combustible material from lodging within the roof. Tile roofs shall be fire-stopped at eave ends to prevent entry of flame or embers under the tile.

(Prior code § 9927.02; Ord. 663 § 1, 1983)

All reroofing must comply with the following requirements:

A. Any reroofing which exceeds twenty-five percent of the roof covering of any building or structure in any twelve-month period shall conform to the requirements of this code.

B. If the existing roof of a structure is wood shingle, any nonwooden roof covering required by subsection A of this section may be placed over the existing wooden shingle roof, unless:

1. The existing roof material consists of three or more layers of roof covering and the addition of the nonwooden roof covering would exceed three layers; or

2. The existing roof material exceeds the weight limits on roof members set out in Chapter 16 of the 2025 California Building Code as amended by Title 26 Building Code 15 of the Los Angeles County Code (Adopted November 25, 2025 by the Los Angeles County Board of Supervisors); or

3. The application conflicts with the requirements of Section 1507 of the Building Code of the county of Los Angeles.

(Prior code § 9927.03; Ord. 663 § 1, 1983; Ord. 812 § 8, 1990; Ord. 878 § 4, 1996; Ord. 936 § 2, 1999; Ord. 961 § 2, 2002; Ord. 2000 §§ 2, 12, 2007; Ord. 1020 § 6, 2010; Ord. 1042 § 5, 2013; Ord. 1075 § 5, 2016; Ord. 1088 §§ 2, 6, 2019; Ord. 25-1137, 12/15/2025; Ord. 26-1139, 1/20/2026