Potrero Hill home, clad in skateboard ramp material, asks $1.9 million

Where once stood a circa-1925 home, a nondescript affair with stucco exteriors, has turned into a contemporary stunner with the help of San Francisco-based Mork Ulnes Architects.

Featuring four beds, two and a half baths, and three floors, 1330 20th Street now comes with an open-floor plan, a butcher-block staircase, glass elements galore, steel catwalk in the yard, and an upper-level terrace providing views of Potrero Hill.

But the biggest standout here is the exterior wrapped in black cladding (the same material used in skateboard ramps, according to the listing), as well as the deck’s perforated screen, which can be seen in full effect via the architect firm’s images.

“With an imperative to create an impact on the exterior but remain within the city’s preservation and zoning requirements,” notes Mork Ulnes Architects, “a matte black cladding, typically used on skateboarding ramps, wraps the house’s existing two-levels.”

Asking is $1,995,000.

• 1330 20th Street [Payton Stiewe, Pacific Union International]