Earlier editions: 2026-09
Title 23 — BUILDINGS AND CONSTRUCTION
San Mateo Municipal Code Ch. 23.07 Residential Code
San Mateo Municipal Code · 2026-10 edition · updated 2026-10-05 · San Mateo
Cite as: San Mateo Municipal Code Chapter 23.07 · Text as of 2026-10-05
23.07.010 ADOPTION.¶
(a) The code published by the International Code Council entitled California Residential Code, 2016 Edition, as adopted and amended by the State of California, are hereinafter called "Residential Code," and are adopted as the rules, regulations and standards within this City as to all matters therein contained except that:
(1) Sections R105.2 Building items 1 – 10 are not adopted. Instead, Chapter 23.06 (Administration) applies to this chapter on permit exemption. Sections R109.1 – R109.1.6 are not adopted. Instead, Chapter 23.06 (Administration) applies to the inspection.
(2) Certain sections of the Residential Code have heretofore been amended and may hereafter be amended. As amended, they are adopted;
(b) No section of the Residential Code shall impose a mandatory duty of enforcement on the City, or on any officer, official, agent, employee, board, council or commission thereof. Instead, if any section purports to impose a mandatory duty of enforcement, that section shall invest the City, and the appropriate officer, official, agent, employee, board, council, or commission with discretion to enforce the section, or not to enforce it.
(c) One copy of the Residential Code shall at all times be kept on file in the office of the City Clerk.
23.07.020 SECTION R319.1 SITE ADDRESS NOT ADOPTED.¶
See Section 23.28.110 – Address Identification.
23.07.030 SECTION R319.2 ADDRESS NUMBERS—MULTI-TENANT BUILDINGS NOT ADOPTED.¶
See Section 23.28.120 – Address Identification – Multi-Tenant Buildings.
23.07.040 SECTION R319.3 ADDRESS NUMBERS—REAR ADDRESSING NOT ADOPTED.¶
See Section 23.28.130 – Address Identification – Rear Addressing.
23.07.060 SECTION R313.1 TOWNHOUSE AUTOMATIC FIRE SPRINKLER SYSTEMS—EXCEPTION NOT ADOPTED.¶
See Sections 23.28.160 through 23.28.180 for Fire Sprinkler Requirements.
23.07.070 SECTION R313.2 ONE- AND TWO-FAMILY DWELLINGS AUTOMATIC FIRE SPRINKLER SYSTEMS—EXCEPTION NOT ADOPTED.¶
See Sections 23.28.160 through 23.28.180 for Fire Sprinkler Requirements.
23.07.080 SECTIONS R902.1, R902.1.1, R902.1.3 ROOFING REQUIREMENTS AMENDED.¶
Section R902.1 Roofing covering materials. Roofs shall be covered with materials as set forth in Sections R904 and R905. A minimum Class A or B roofing shall be installed in areas designated by this section or where the edge of the roof is less than 3 feet from a lot line. Classes A or B roofing required by this section to be listed shall be tested in accordance with UL 790 or ASTM E 108.
23.07.110 TABLE R602.10.3(3) AND SECTION R602.10.4.4 PROHIBIT THE USE OF GYPSUM BOARD…¶
(a) Add a new footnote "f" to the end of CRC Table R602.10.3(3), to read:
f. In Seismic Design Categories D0, D1, and D2, Method GB is not permitted and the use of Method PCP is limited to one-story single-family dwellings and accessory structures.
(b) Add the "f" footnote notation in the title of Table R602.10.3(3), to read:
TABLE R602.10.3(3)f
(c) Add a new subsection R602.10.4.4, to read:
R602.10.4.4 Limits on methods GB and PCP. In Seismic Design Categories D0, D1, and D2, Method GB is not permitted for use as intermittent braced wall panels, but gypsum board is permitted to be installed when required by this section to be placed on the opposite side of the studs from other types of braced wall panel sheathing. In Seismic Design Categories D0, D1, and D2, the use of Method PCP is limited to one-story single-family dwellings and accessory structures.
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