Alameda County Municipal Code Art. III California Residential Code, Amended Sections to 2025 California…

1, Administration, Division II, Scope and Administration, Section R101, General.

R101.1 Title [BID]. These provisions shall be known as the Residential Code for One- and Two-family Dwellings of the County of Alameda and shall be cited as such and will be referred to herein as "this code."

R101.2.1 Appendices [BID]. Provisions in the appendices shall not apply unless specifically adopted. The following CRC appendix chapters are adopted and amended, as noted, by the County:

1. Appendix BF, Patio Covers — Adopted.

2. Appendix CI, Swimming Pool Safety Act — Adopted.

3. Appendix BB, Tiny Houses - Adopted.

4. Appendix CJ, Emergency Housing — Adopted.

R102.6 Existing structures [BID][CDA]. The legal occupancy of any structure existing on the date of adoption of this code shall be permitted to continue without change, except as is specifically covered in this code, AC chapter 15.24 of this title, or the California Fire Code, or as is deemed necessary by the building official for the general safety and welfare of the occupants and the public.

(Ord. No. 2025-72, Exh. B, 12-16-25)

{See CBC, CRC and AC Sections 15.08.160 and 15.08.170 when applicable.}

(Ord. No. 2025-72, Exh. B, 12-16-25)

R301.2 Climatic and geographic design criteria [Flood]. {See CRC and amend footnote g. of Table R301.2, Climatic and Geographic Design Criteria, to read as follows.} The County shall, by AC Chapter 15.40, specify (a) the date of the County's entry into the National Flood Insurance Program, (b) the date of the Flood Insurance Study, and (c) the date of the currently effective FIRM.

R306.1.4 Establishing the design flood elevation [Flood]. The design flood elevation shall be defined and established in accordance with AC Sections 15.08.170 and 15.08.300.

(Ord. No. 2025-72, Exh. B, 12-16-25)

{See CRC and AC Section 15.08.220 when applicable.}

(Ord. No. 2025-72, Exh. B, 12-16-25)

{See CRC and AC Section 15.08.260 when applicable.}

(Ord. No. 2025-72, Exh. B, 12-16-25)