For available wood species in the PNW: madrone, Oregon white oak, black locust, apple, and Douglas fir/larch (tie).
For wood species when I lived in central and northern California: CA live oak (5 species), madrone, eucalyptus, almond, and OR white oak.
My top ten combined western wood species: CA live oak, madrone, euc, almond, OR white oak, CA black oak, black locust, apple, Douglas fir/larch, red alder. Alder is light wood, but burns evenly and is my top wood for smoking with. I use apple and alder (usually mixed) for 90% of my smoking. Douglas fir is the most abundant wood here in the PNW, and larch/tamarack is tied with DF but grows east of the Cascades. They are commonly lumped together as graded lumber. Madrone is considered by many as the best firewood here in the western US. CA live oak has more heat than any other firewood in the US that I am aware of. Maple would come in ahead of alder if it were not for the smoking quality of alder. Maple is also a good smoking wood, but the most common Bigleaf maple that we have here is not that dense for heating with.
Also my bottom 5: Tree of Heaven (ailanthus), black cottonwood, weeping willow, sycamore, and birch. Birch is OK as firewood, but it has to be split pretty fast or it will rot before it dries. The bark is virtually waterproof. I have a lot of it growing on my property.