Do be careful on Hwy 1 with a 38' coach. You may want to use the toad as a scout car in places to get a feel for what you're in for. In Calif the state parks will give you a hard time with a 38'. You may find some places but it's far from a slam dunk. Many of the private parks are pricey so brace yourself... we're not in Kansas anymore, Toto
Oregon state parks are incredible. Consider trying Cape Blanco. One of our favorite spots of all. The aquarium near Newport is also a good bet.
We're starting our full timing in about a week and plan to start our trip taking the month of October to meander down the coast from Carmel to San Diego. It's a great time to be on the California coast.