Daly City Municipal Code Ch. 15.10 Residential Code

Footnotes:

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Editor's note— Ord. No. 1484, §§ 1 and 2, adopted Nov. 24, 2025, repealed the former Ch. 15.10, §§ 15.10.010—15.10.190, and enacted a new Ch. 15.10 as set out herein. The former Ch. 15.10 pertained to similar subject matter and derived from Ord. No. 1461, § 4(Exh. C), adopted Nov. 28, 2022.

The city adopts the California Residential Code, 2025 Edition, as adopted by the California Building Standards Commission and applicable to the city, together with the amendments set forth in this chapter. One copy is on file and available for public inspection in the building division. From the effective date of the ordinance codified in this chapter, the provisions of the California Residential Code, 2025 Edition, as amended, shall be controlling within the city. This adoption is effective January 1, 2026, the effective date of the 2025 California Building Standards Code; applications deemed complete before that date may proceed under the code in effect on the deemed-complete date.

(Ord. No. 1484, § 2(Exh. C), 11-24-2025)

Section R202 of the California Residential Code, 2025 Edition, is amended by adding the following definitions:

DECK, ATTACHED. An exterior floor system supported on at least one side by the exterior wall of the adjoining structure and on the opposite side by posts, piers, or other supports.

SLEEPING ROOM. A room with a minimum floor area of 70 square feet and not less than 7 feet in any direction. A study, sewing room, sitting room, office, den, or similar room shall be considered a sleeping room if it contains a closet, alcove, indentation, or wing wall creating an area greater than 12 inches in depth.

(Ord. No. 1484, § 2(Exh. C), 11-24-2025)

Section R302.6 of the California Residential Code, 2025 Edition, is amended by adding subsection R302.6.1 to read as follows:

R302.6.1 Dwelling alterations-separation Requirements. When existing unconditioned space is converted to conditioned space in non-sprinklered buildings, the private garage shall comply with R302.6.

(Ord. No. 1484, § 2(Exh. C), 11-24-2025)

Section R302.1 of the California Residential Code, 2025 Edition, is amended by adding the following:

For the purposes of this section, attached decks not exempt from permitting under Section R105.2 shall be considered projections. Exterior wall construction, projections, openings, and penetrations of dwellings and accessory buildings shall comply with Table R302.1(1), or with Table R302.1(2) where the building is equipped throughout with an automatic sprinkler system installed in accordance with Section R313. Where multiple detached dwellings are located on a single lot, each dwelling shall comply independently with the applicable table. Exceptions and tables of this section remain unchanged.

(Ord. No. 1484, § 2(Exh. C), 11-24-2025)

Sections R309 (Automatic Sprinklers) and R317.5 (Fire Sprinklers; Location on Property), including all subsections, of the California Residential Code, 2025 Edition, are deleted in their entirety. All automatic fire sprinkler requirements referenced in these sections or elsewhere in the Residential Code shall be governed by Daly City Municipal Code Chapter 15.32 and the California Fire Code, 2025 Edition. Plan review, permitting, and inspections shall be under the authority of the North County Fire Authority.

(Ord. No. 1484, § 2(Exh. C), 11-24-2025)

Section R319 of the California Residential Code, 2025 Edition, is amended by adding the following:

For projects adding habitable space, address identification shall be illuminated, either internally or externally, and shall contrast with the background.

(Ord. No. 1484, § 2(Exh. C), 11-24-2025)

Section R328 of the California Residential Code, 2025 Edition, is amended by adding section R328.3.2 to read as follows:

R328.3.2 Disconnection Means. A disconnecting means shall be provided for all ungrounded conductors to and from an ESS. The disconnecting means shall be located in a readily accessible location on the exterior of the building. Location and installation shall also comply with CEC Article 706 and any applicable serving-utility standards.

(Ord. No. 1484, § 2(Exh. C), 11-24-2025)

Section R602.10 of the California Residential Code, 2025 Edition, is amended by adding the following:

The following wall bracing methods are prohibited: GB (gypsum wall board), LIB (let-in bracing), DBW (diagonal wood board), SFB (structural fiberboard sheathing), PBS (particleboard sheathing), PCP (Portland cement plaster), and HPS (hardboard panel siding). Materials used for shear walls shall comply with Daly City Municipal Code § 15.08.100.

(Ord. No. 1484, § 2(Exh. C), 11-24-2025)

Section R902.1 of the California Residential Code, 2025 Edition, is amended by adding subsection R902.1.4 to read as follows:

R902.1.4 All Roof Coverings. All roof coverings shall be a minimum Class B, tested in accordance with ASTM E108 or UL 790. The entire roof covering of every existing structure where more than 50 percent of the total roof area is replaced within any one-year period, the entire roof covering of every new structure, and any roof covering applied in the alteration, repair, or replacement of an existing structure, shall be fire-retardant and at least Class B.

(Ord. No. 1484, § 2(Exh. C), 11-24-2025)

Section R1003.9 of the California Residential Code, 2025 Edition, is amended by adding subsection R1003.9.2.1 to read as follows:

R1003.9.2.1 Spark Arrestors for Reroofing Projects. At the time of any residential reroofing project where a masonry chimney is present, the chimney shall be equipped with an approved spark arrestor meeting the requirements of Section R1003.9.2.

(Ord. No. 1484, § 2(Exh. C), 11-24-2025)