Here are some 3 car
garage plans with stucco and stone, it's not quite the same style you are looking for but it could give you some other ideas.
Here are a few more designs to consider
3 car garage plans
3 car garage plans
Talk to your builder, they might be able to substitute a stucco finish in place of the lap siding no matter which garage plans you choose.
Your question about CA building codes is a good one, CA has some special earthquake requirements that many stock garage plans won't meet. Check the terms and conditions page on the site you are going to buy the plans from and that might give you some help.