Sign up for the wait list here.
Members pay a $35 annual fee for their garden box, and are required to do 6 hours of volunteer work per year for the Community Garden in addition to maintaining your box area. Its important that you are a community oriented person. Volunteering includes garden maintenance, garden box repairs, etc. There is also accessible volunteering options such communications and administration. You can learn more about volunteer work here.
It is hard to predict when garden boxes will become available. Typically there are 8-15 people on the waitlist. It may be possible to move up the waitlist a bit sooner by participating in the garden work parties while you are still on the waiting list.