Your title tags and Descriptions, for instance, your homepage has this for a title tag:
Sacramento Bounce House Rentals | Sacramento Bounce House & Water Slide Rentals
and this for a description:
Sacramento Bounce House Rentals rents bounce houses, water slides, and other inflatable party rental equipment to Sacramento, Folsom, El Dorado Hills, Cameron Park, Shingle Springs, Placerville, Camino, Lincoln, Roseville, Granite Bay, Rocklin, Citrus Heights, Carmichael, Rancho Cordova, Elk Grove and Antelope. We are committed to providing a great rental experience and deliver on time every time!
You should throw some CA in there to help with the auto-complete feature that most people use now a days on Google. Also, each page might have a separate set of tags and descriptions.