Not much.
However, In the Cubix complex you can get a baby versions of the condo located at 766 Harrison St for under $300k.
These SoMa located "sapces" start at $225000. Assuming you put down 15 to 20 percent, and secure a 5 percent mortgage, monthly payments should range between $1,100 and $1,500. All that gets you a whopping 350 square feet!!
There are also several San Francisco properties in the $300-500k range
6.25% Fractional Financing Available! Stunning eco-modern renovation of mid-century view property, finished to highest standards of any new construction you'll find in the City. Fabulous neighborhood. Sweeping views. Eco-friendly cork floors and low VOC paint. Bosch & FisherPaykel appliances, CaesarStone counters, maple kitchen cabinets. Huge picture windows. All building systems updated. Totally wired for cable and internet. State-of-the-art soundproofing. An extraordinary place to live.
PRICE REDUCED! Bright and lovely, spacious and charming alcove studio. Filled with light, peekaboo view to the South.Art-Deco detail. Move-in condition. The bldg is sensational; the magnicent lobby was given and award by the Art Deco Society. Truly urban neighborhood, close to Union Sq, Westfield Center, BART, MUNI, theaters and restaurants. No need for a car here. HOA dues includes heat, electricity, water, trash and 24-hour security. Escrow with John Halverson, Fidelity Title, 595 Castro St