YMCA of San Francisco 50 California St., Ste. 650 San Francisco, CA 94111-3937 United States Phone +1 415-777-9622 Visit Website Join Donate Find More Ys Hours of Operation Mon - Fri: 8:30am - 5:00pm Sat - Sun: Closed Programs Health and Well-being International Locate 37.7938138, -122.397498