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Part 3 — ADDITIONS, DELETES AND AMENDMENTS[[12]]›8950. - AMENDMENTS, ADDITIONS AND DELETIONS.

8950.3. - AMENDMENT.

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

Section R309.2 of the 2025 California Residential Code is amended to read as follows due to local climatic, geographical, and topographical conditions:

R309.2. One- and two-family dwellings automatic fire systems.

1.

In all new R-3 occupancies.

EXCEPTIONS:

A)

Detached private garages, providing the floor area does not exceed 1000 square feet.

B)

Pool houses, recreation rooms, workshops, and similar accessory R-3 occupancies providing no portion of the exterior wall of the building is more than 150 feet from a public street.

C)

Other minor buildings and/or occupancies as approved by the Fire Chief.

2.

In all existing Group R-3 Occupancies greater than 2500 square feet in living area when enlarged by an addition to the living area of the existing structure.

EXCEPTIONS:

A)

Additions of areas that would not require sprinklers such as closets or bathrooms.

B)

Additions that occur without increasing the number of stories or increasing the horizontal projection of the first story roof.

3.

In all existing Group R-3 Occupancies equal to or less than 2500 square feet in living area, when enlarged by an addition to the living area of the existing structure, exceeds 2500 square feet in residential area.

EXCEPTIONS:

A)

Additions of areas that would not require sprinklers such as closets or bathrooms.

B)

Additions that occur without increasing the number of stories or increasing the horizontal projection of the first story roof.

(Ord. No. 2366, § 9, 12-17-19; Ord. No. 2394, § 9, 11-15-22; Ord. No. 2408, § 9, 11-18-25)

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▸ Contents — Arcadia Building Code
Arcadia Building Code
  1. Article VIII — BUILDING REGULATIONS
  2. Part 1 — CREATION OF DIVISION
  3. Part 2 — DEFINITIONS
  4. Part 3 — VIOLATIONS
  5. Part 4
  6. Part 1 — ADOPTION
  7. Part 3 — ADDITIONS, DELETIONS AND AMENDMENTS[[3]]
  8. Part 2 — PURPOSE
  9. Part 3
  10. Part 1 — DECLARATION OF NEED
  11. Part 2 — PURPOSE
  12. Part 5 — DEMOLITION OF BUILDINGS
  13. Part 2 — SANITARY FACILITIES
  14. Part 4 — SWIMMING POOL REGULATIONS
  15. Part 5 — HOUSE NUMBERING SYSTEM
  16. Part 6 — SECURITY BARS
  17. Part 3
  18. Part 1 — UNREINFORCED MASONRY BEARING WALL BUILDINGS
  19. Part 2 — PURPOSE
  20. ▸ Part 3 — ADDITIONS, DELETES AND AMENDMENTS[[12]]
    Overview
    1. ▸ 8950. - AMENDMENTS, ADDITIONS AND DELETIONS.
      Overview
      1. 8950.2. - AMENDMENT.
      2. 8950.3. - AMENDMENT.
      3. 8950.4. - AMENDMENT.
      4. 8950.5. - AMENDMENT.
      5. 8950.8. - AMENDMENT.
      6. 8950.9. - AMENDMENT.
      7. 8950.10. - AMENDMENT.

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