Ryan Leidner adds minimal extension to San Francisco saloon building

Californian architect Ryan Leidner has slotted a garden in between a renovated 19th-century residence in San Francisco's Mission district and its minimal extension to the rear.The Harrison Street House was originally built in 1888, and served as a saloon and residence for the owner upstairs. The property saw several uses in the following years, but fell into disrepair until the new owners acquired it.They tapped Ryan Leidner Architects to overhaul and add the extension, which architect Leidner a