San Francisco Planning Commission recommends Supervisor Mandelmann's fourplex ordinances to Board of Supervisors after lengthy public debate

The San Francisco Planning Commission voted unanimously on Nov. 18 to recommend two ordinances introduced by Supervisor Rafael Mandelmann that would allow up to four residential units on residential (RH) lots, with additional density on corner lots. Planning staff framed the package as a local implementation response to state housing laws and urged a balanced approach that preserves rear yards and mid‑block open space while expanding "missing middle" housing.

Jacob Bentlev, legislative aide to Supervisor Rafael Mandelmann, told the Commission the ordinances aim to create modest density increases in RH districts while protecting design review and preserving open space. "SB 9 takes a very different approach to answering the single family zoning question," Bentlev said, arguing the local ordinances would retain local review and design standards while enabling more households to remain in city neighborhoods.

The Planning Department presented detailed staff recommendations it said combined the best elements of the supervisor's proposals with equity and anti‑displacement measures. Staff proposed two paths for projects seeking streamlined review: an owner‑occupied path (owners who live in and will remain in the home for at least three years) and a non‑owner‑occupied path, plus requirements to exclude demolition of certain historic resources and protections for properties with recent evictions or rent‑controlled units. The department also proposed homeowner assistance programs, objective design standards, and mechanisms to reduce speculative flipping.

Public comment occupied most of the meeting. Dozens of callers and organizations made the case on both sides. Supporters included architects, affordable‑housing advocates, YIMBY groups and renters who said adding small multi‑family buildings was a pragmatic way to expand supply and lower cost pressure: "Housing is medicine," said Adam Buck, a physician who called in in support of the proposals. Developers and small‑builder advocates urged ministerial approvals and streamlined review to ensure the new permissions actually produce homes.

Opponents and neighborhood organizations urged stronger "value capture" and deeper, enforceable affordability requirements. United to Save the Mission and other speakers warned that upzoning without matching subsidies, technical assistance and enforcement would primarily benefit wealthy homeowners and speculators, not low‑income homeowners or renters in communities of color. Multiple speakers favored targeted loan and grant programs, priority permit processing for projects that preserve or create deeply affordable units, and explicit protections to prevent under‑the‑radar evictions tied to upzoning.

Commissioners asked staff detailed questions about implementation: how owner‑occupancy affidavits would be enforced, how the city's pending rental registry might be used to verify occupant history, interactions with the local ADU program, and whether newly allowed units would qualify for the state density bonus. Staff said the rental registry would take additional time to phase in and that the local program is intended to complement rather than replace state options. Commissioners asked staff to draft a monitoring clause so the city could review outcomes in a set period (for example, three years) to check whether the ordinances produced the units and equity outcomes intended.

After extended deliberation the Commission endorsed the ordinances as modified and requested a package of commissioner recommendations to be forwarded to the Board of Supervisors. The motion passed unanimously 7–0. The package sent to the Board includes the staff's recommended two‑path approach, suggested language on tenant protections and homeowner assistance programs, and a request for a monitoring/report‑back provision to measure how many units are built, who occupies them and whether displacement occurs.

Why it matters: The Commission's recommendation makes San Francisco's local approach to SB 9 more likely to track local priorities — preserving rear yards and design review while expanding small multi‑family housing — but it leaves many implementation choices to the Board of Supervisors and the city budget. Public comment made clear divisions remain: a large pro‑housing constituency wants ministerial, fast approvals to build units; a large community and tenant constituency insists on binding affordability tools and anti‑displacement funding before widespread upzoning is finalized.

What's next: The Commission forwarded its recommendation, staff modifications and the list of commissioner comments to Supervisor Mandelmann's office for consideration by the Board of Supervisors in the coming months. The state law SB 9 takes effect Jan. 1, 2022; the Board will decide whether and how to adopt the local ordinances and any accompanying programs staff and commissioners requested.

Ending: The Commission recorded its recommendation to the Board with a unanimous vote; the Board of Supervisors will consider the local ordinances, equity provisions and any additional funding requests next year.