Temecula council introduces revised ADU ordinance to conform with state law; vote splits 3'2

The Temecula City Council on May 13 introduced an ordinance to repeal and replace Chapter 17.23 (Accessory Dwelling Units) of the Temecula Municipal Code. The motion passed 3'2; Councilmember Ron and Mayor Pro Tem Alexander voted no.

What the ordinance does Planning staff told the council the draft ordinance updates the municipality's ADU rules to implement multiple state statutory changes and to correct renumbered Government Code citations. Key provisions staff highlighted: - Revised definitions, including the junior ADU (JADU) definition and explicit inclusion of cooking facilities and food preparation/storage when applicable. - Ministerial review pathways: building-permit-only ADUs (generally under 750 sq ft) remain ministerial; larger ADUs up to the state maximum continue to be processed ministerially but require planning submittal when above certain thresholds. - Addressing and separation: staff codified an addressing standard to label primary residence and ADU units (Unit 1, Unit 2, etc.) and kept a 6-foot separation guideline where it does not preclude ADU construction. - Height and size: the code adopts state-prescribed height limits for detached ADUs (consistent with accessory structures), adjusted maximums within a half-mile of major transit, and adjustments for attached ADUs; multifamily buildings may accommodate up to eight ADUs as allowed by state law. - Fire/sprinkler rules: sprinkler requirements triggered by ADU construction will not retroactively compel sprinklers in the primary residence.

Staff and process notes Planner Mark Collins said the ordinance largely codifies state requirements, and staff included two city-preferred items as health-and-safety measures: uniform addressing and a separation requirement intended to preserve quality of life for neighboring units. The ordinance will be submitted to the California Department of Housing and Community Development (HCD) for the mandated review under state law.

Council discussion Several council members expressed frustration with state mandates on ADUs. Councilmember Ron said the state's broad housing directives do not account for regional differences in infrastructure, transit availability and emergency evacuation planning, and he questioned the state's authority to impose mandates that materially alter local planning patterns. Other council members said the city must implement state law but signaled interest in continued advocacy for local control.

Vote and next steps The introduction passed 3'2. Staff will submit the adopted ordinance for HCD review and return the ordinance for subsequent hearings or final adoption steps as required by local procedure.

Why this matters The changes align Temecula's municipal code with California law and will affect homeowners and developers by clarifying allowable ADU types, ministerial permitting standards, sizing and height limits, and compliance requirements. The split vote reflects ongoing local debate about the state's direction on housing policy and the limits of local control.

Speakers and attributions - Mark Collins, Planning Department (staff presentation) - Councilmember Ron (opposed; raised infrastructure and local-control concerns) - Councilmember Stewart, Councilmember Swank, Mayor Brendan Kalfas (majority supporters for introduction)

Authorities referenced - California Government Code (various ADU-related sections as referenced in staff presentation) - California Department of Housing and Community Development (HCD) review requirements

Provenance (excerpted evidence) - Topic intro: "I'm here to present an ADU ordinance update..." (Mark Collins, Planning Department) - Topic finish: "...the motion passes 3 to 2 with council member Ron and mayor Pro Tem Alexander voting no." (Mayor Brendan Kalfas)