The following is a series of our favorite types of trees for the Portland area. Let us know if you'd like a reccomendation for your next leafy friend.

Kev’s Favorite Trees

Oregon Oak
American Beech
European Beech
Sugar Maple
Hemlock
Dawn Redwood
Japanese Maple
Big Leaf Maple
Linden
Paper Birch

Yard Trees

Bigleaf Maple  
Black Hawthorn  
Douglas-fir  
Kentucky Coffee Tree  
Oregon White Oak  
Tulip Tree 

Shade Trees

Crimson King Maple
Sycamore
Flowering Plum
Japanese maple
Ironwood
Oregon Oak

Park Strip Trees

Amur Maackia  
Cascara  
Golden Desert Ash  
Japanese Hornbeam  
Japanese Snowbell  
Paperbark Maple  
Trident Maple  
Washington Hawthorn  

Fruit Trees

Apple
Pear
Cherry (many varieties)
Fig
Note: If your interesed in fruit trees, they require lots of care.

Best Tree-House Trees

Slow growing with structural integrity
ie-broad canopy trees-maples, oaks or conifers-fir, grand fir-pacific northwest trees
I know contractors who can build them!