Home / 'Hoods / Polk Gulch Polk Gulch San Francisco · open late in this neighborhood AFTERHOURS —— 1 01. Bob's Donut & Pastry Shop ALL NIGHT 24hr-donut-shop · Polk Gulch SF's most famous 24hr donut shop. Home of the giant donut challenge. Open since the 1960s. ⏱ Open 4a+ or 24hr $ 4.6★ (4.2k) EATING —— 1 01. Wen's Kitchen chinese · Polk Gulch Polk Street Chinese kitchen open until 1am, solid for a late group meal. ⏱ Closes 12a–2a $$ 4.1★ (359)