In the Goenka tradition Dhamma Manda[1] in Lake County is the closest to the Bay Area, the center in North Fork[2] is the largest. Here is map of locations worldwide: http://courses.dhamma.org/en-US/maps/ca.us
The Insight Meditation Center, a long-time buddhist group, recently acquired and opened a new retreat center in Scotts Valley. See http://www.insightretreatcenter.org/
The meditation methods used there would be the same as the above.