Six Additional Residential Units Planned for 1373 Clay Street Building in San Francisco
2026-06-12 09:16
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en.Wedoany.com Reported - The Krabbenschmit Building at 1373 Clay Street in San Francisco's Nob Hill neighborhood is planned to add six residential units through renovation and vertical addition. The project is developed by a private owner, with Geiszler Architects handling the architectural design.

The project is implemented in two parts. The first renovation targets the rear area of the ground floor, adding two of the six units within the existing building envelope. The original storage and laundry areas will be adjusted to free up space, with the laundry area relocated to a larger area within the equipment room.

First-floor plan of 1373 Clay Street, courtesy of Geiszler Architects

The second renovation is a two-story vertical addition, which will add four units to the building. The internal circulation area of the building extends to the newly constructed fifth floor, allowing residents to access all four units, with each unit also extending upward by an additional floor.

Fifth-floor plan of 1373 Clay Street, courtesy of Geiszler Architects

Sixth-floor plan of 1373 Clay Street, courtesy of Geiszler Architects

The ground floor renovation has a minimal impact on the building's exterior, but the vertical addition will significantly alter the facade. Early illustrations do not reveal facade materials or finish details, but the massing shows the addition set back from the lower building front and broken into smaller blocks to reduce visual impact.

Located in the densely populated Nob Hill neighborhood, the new units provide convenient access to nearby shops, restaurants, parks, and public transit. Parking is limited, and to compensate, the proposal plans to add a bicycle storage room on the ground floor of the building.

Current view of 1373 Clay Street building, image from Google Street View

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