A San Francisco Auto Repair Shop is Now a Contemporary Home With an Awe-Inspiring Lightwell

A former automotive repair shop is today a stunning contemporary home in the heart of San Francisco’s SoMa neighborhood. It only took 10 years to complete the transformation.

Around 2006, Khaled Dajani had a vague idea to buy a concrete or brick warehouse-type building and convert it to a residence reminiscent of New York lofts he admired. He bought this one but rented it out until his vision was clear. For guidance, he turned to Oakland-based architecture firm Arcsine; he knew the firm from commercial projects he’d been involved with. Time marched on through a lengthy city approval process until 2017, when the renovation started. 

Construction took another 4 years, due partly to the global pandemic and supply chain shortages. Now, the 2-story building, circa 1990, has finally been reconfigured as a 3-story, 4-bedroom home for Dajani and his family.

The Exterior

tehama exterior
Ten years in the making, this former automotive repair shop is finally a contemporary home for a San Francisco family. All photos by Misha Bruk.

The home was built inside the original structure without removing any of its exterior walls. The architect’s subtractive, geometric practice of cutting into the structure’s volume while adding window openings and an abundance of glass resulted in a final layout that allows natural light to penetrate deeply into all the spaces. 

The cinder-block exterior was sheathed in white stucco. “Part of the design is you can’t guess what is inside from the outside,” Dajani says. 

The Courtyard

tehama courtyard
The homeowner wanted the front door to open onto a small exterior courtyard rather than right onto the sidewalk.

One of the top items of Dajani’s wish list was a courtyard entrance that would ease the transition from the street, rather than a front door at the sidewalk. Creating that wasn’t easy, because the building fills the entire lot and is surrounded by others on three sides. Fortunately, the lot is four feet wider than the typical city lot of 25 feet.

A new, windowed exterior wall was constructed inside the perimeter on one side, and the roof overhead was detached. That left space for a slim, open-air courtyard leading to the newly fashioned entrance. From the street, what looks like the front door is actually a gateway to the courtyard. 

“It was an unusual choice, kind of counterintuitive, to take away some of the habitable space, which is worth so much in San Francisco,” says Arcsine co-founding principal Adam Winig. He was joined on the design team by partner Daniel Scovill and architect Tracey Bornstein, who is no longer with the firm.

The First Level

tehama stairway
The front door opens to a breathtaking, 3-story atrium, replete with glass, walnut and cantilevered steel.

Beyond the front entry is a dramatic 3-story glass atrium, which houses the walnut and cantilevered-steel staircase. On the first level is a guest suite, a lap pool, a sauna, a steam shower and a 2-car garage. Dajani says his inspiration for the pool area was a hammam, a type of bathhouse associated with Islamic culture.

tehama pool
The first floor pool is modeled after a hammam, a traditional bathhouse in Islamic culture.

He also wanted to retain some of the building’s original character, hence the concrete slab floors and block walls in the pool area. The team went so far as to highlight some of the cracks by accentuating them with gold paint, similar to Japanese art of kintsugi, a practice that emphasizes finding beauty in imperfection.

tehama pool
The homeowner chose to keep some of the concrete slab floors and block walls, reminders of the building’s previous life.

“I want people to know this used to be a warehouse,” Dajani says. 

The Lightwell

tehama lightwell
The lightwell that penetrates the home’s 2 upper floors provides a tranquil view of the glimmering lap pool on the first floor.

Another unusual feature of the home is the lightwell, which pierces through the 3 floors like a vertical flashlight beam. The lightwell adds an additional sense of airiness of the floor plan, helps define some of the spaces, and also achieves something important for Dajani. 

“I wanted the beautiful lap pool to be seen from every part of the house,” he says. 

The pool can be glimpsed from the master bath shower, which shares a glass wall with the lightwell. Narrow skylights in the floor of the second-level deck also reveal the pool below. 

The Living Spaces

tehama central area
The main living area is on the second floor, where the walls and floors are paneled in walnut.

The second floor, which is paneled with exquisite book-matched walnut, serves as the home’s main living area. The contemporary kitchen is delineated from the dining area by a generous island, and a window wall opens to an outdoor deck. 

The Bedrooms

tehama bedroom
The third floor was built on top of the original structure, and contains 3 of the home’s 4 bedrooms.

The third floor, the sleeping level, is an addition to the original building. Two children’s bedrooms share a bath, while the master suite integrates an expansive marble-tiled bath with freestanding tub and spa shower. 

tehama bathroom
The primary bathroom includes a freestanding tub and a spa shower.

A spiral staircase leads to the roof deck. “We really tried to create an urban oasis,” Winig says, “an open, airy residence with outdoor spaces and engaging views, not only of the city but also of the interior itself.”

tehama roof
On top of the third floor, a roof deck offers views of downtown San Francisco.

“I love it,” Dajani says. “I’m a city boy. Wherever I am, I gravitate to cities. This is a dream house, to have such a generous space in downtown San Francisco.”

This article originally appeared on spacesmag.com.


How to Help:

For design lovers who want to give back, consider attending the San Francisco Decorator Showcase, which is accessible virtually, and making a donation. Since 1977, the showcase has raised over $17 million to benefit the San Francisco University High School financial aid program. This event continues to allow hundreds of deserving Bay Area students access to a world-class college preparatory education.


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Pamela Dittmer McKuen is an award-winning Chicago-based freelance features journalist who specializes in home, design and travel. She has dual passions for dark chocolate and cats. She’s an ardent supporter of Bridge Communities, a nonprofit that helps homeless families transition to self-sufficiency, and Feral Fixers, a trap-neuter-release and cat adoption agency.

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