Interim Controls will require a conditional use authorization from the Planning Commission for projects seeking to dramatically expand square footage of residential buildings in the Corona Heights and Corbett Heights neighborhoods
San Francisco – Today, Supervisor Scott Wiener will introduce legislation at the Board of Supervisors to address the proliferation of “monster home” construction projects in the Corona Heights and Corbett Heights neighborhoods of San Francisco. These interim controls will require a conditional use authorization for any residential construction project that dramatically expands the square footage of existing buildings and also to overly large new houses built on vacant lots. A conditional use authorization requires a hearing at the Planning Commission to determine whether the project is "necessary and desirable." The determination by the Planning Commission is appealable to the Board of Supervisors.
Recently, residents of Corona Heights and Corbett Heights have expressed concern about the increase in large residential projects that are impacting the neighborhood. These interim controls will go into place immediately after the Board approves the legislation, and will trigger a study by the Planning Department to determine if permanent changes need to be made to the Planning Code.
“While we absolutely need to increase our housing supply, these monster homes are not producing more units,” said Supervisor Wiener. “Turning regular-sized homes into massive homes isn't adding new housing. Corona Heights and Corbett Heights are unique neighborhoods, with modest homes tucked into wooded lots. It's important to honor that character, and this legislation does so."
The legislation doesn't ban projects, but rather does the following:
1. For projects that are proposed to be larger than 3,000 square feet:
- Require a conditional use authorization for residential additions increasing the size of a home by more than 75% if not adding any new units;
- Require a conditional use authorization for residential additions increasing the size of a home by more than 100% if adding additional units;
- Require conditional use authorization for projects proposed on vacant lots where more than 3,000 square feet of residential building is proposed;
2. Require that projects maintain 45% of their lot as backyard open space, which is currently a requirement, but one subject to loopholes.
Conditional use authorizations are heard by the Planning Commission, which can reject, approve or approve with conditions. This determination is then appealable to the Board of Supervisors, which can uphold, modify or reject the determination of the Planning Commission.
The legislation applies to parcels within the Corbett Heights and Corona Heights area, bounded by Market Street, Clayton Street, Ashbury Street, Clifford Terrace, Roosevelt Way, Museum Way and Douglass Street. The interim controls will be heard in two weeks at the Land Use and Economic Development Committee, which can then forward the legislation to the full Board of Supervisors. The controls go into effect as soon as the Board of Supervisors approve of them.