It's in concord, CA. I wouldn't call it a poor area, but it's not very affluent. The gym is in a shopping area with an REI, Trader Joe's and Cost Plus.
They have two membership types. One allows you to use equipment only (weights, cardio, bags, etc.), the other also gives you access all of the classes (boxing, wrestling, Muay Thai, Jiu Jitsu, conditioning, etc.). I forget what I;m paying for the full membership. I think it's $95/mo...