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Part 3 — ADDITIONS, DELETIONS AND AMENDMENTS[[3]]8130. - AMENDMENTS, ADDITIONS AND DELETIONS.

8130.15. - AMENDMENT.

Arcadia Building Code · 2026-07 edition · updated 2026-07-25 · Arcadia

Volume 1, Chapter 15, Section 1505.1.1 of the 2025 California Building Code is amended and Section 1505.1.4 of the 2025 California Building Code is added to read as follows due to climatic and topographical conditions:

1505.1.1. Roof Coverings for Additions within the Wildland Interface Fire Area Boundaries.

The roof covering on any addition made to an existing building or structure located within the Wildland Interface Fire Area Boundaries shall comply with Section 1505.1. The roof covering of an existing building or structure located in said zone shall be made to comply with Section 1505.1 when the cumulative roof area of the addition along with any alteration, replacement, repair or reroof made during the previous 12 months to the existing roof is 25 percent or more of the original roof area.

1505.1.2 Roof Coverings for Additions Outside the Wildland Interface Fire Area Boundaries.

The roof covering requirements for additions made to existing buildings or structures located outside the Wildland Interface Fire Area Boundaries shall comply with the following, as applicable:

1.

25% or Less. The roof covering of an addition made to an existing structure or building may match the existing roof covering on the structure or building being added to providing the cumulative roof area of the addition along with any alteration, replacement, repair, or reroof made during the previous 12 months to the existing roof is 25 percent or less of the original roof area.

2.

Over 25% But Less than 50%. The roof covering of an addition made to an existing structure or building shall comply with Section 1505. The roof covering of the existing structure or building being added to may be left in place providing the cumulative roof area of the addition along with any alteration, replacement, repair or reroof made during the previous 12 months to the existing roof is over 25 percent but less than 50 percent of the original roof area.

3.

50% or More. The roof covering of an addition made to an existing structure or building shall comply with Section 1505. The roof covering of the existing structure or building being added to shall be made to comply with Section 1505 when the cumulative roof area of the addition along with any alteration, replacement, repair, or reroof made during the previous 12 months to the existing roof is 50 percent or more of the original roof area.

(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)

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