• Two Bedroom
  • One Bedroom
E1 E2 G G1
F H K K1 S

Select a plan to view using the navigation above, or by clicking on the floor plan below:


The Mason Williams is an inviting space at the intersection of style and sustainability. Choose from six unique floor plans with a variety of finishes to match your unique needs. Apartments range from 534-sf one-bedroom units to spacious 970-sf two-bedroom units with two full bathrooms that make for easy shared living.

At The Mason Williams, your creature comforts don’t come at the expense of the environment. Solar energy fuels the common areas, elevators, and hot water heating. Dedicated car share parking and electric car charging spaces are conveniently located in the access-controlled parking area. Did we mention parking for more than 100 bicycles?

◀ For a detailed view, please click on the floorplan

Featured in All Units

  • Modern fixtures and finishing
  • Large windows, ample natural light
  • Premium energy-efficient lighting
  • Raised ceilings averaging 9’
  • Wood-effect Luxury Vinyl plank flooring in main living areas (50% recycled content)
  • Bedrooms carpets are CRI Green Label Plus (25% recycled content and are recyclable)
  • Marmoleum bathroom floors
  • High-efficiency Energy Star® appliances including built-in microwave oven/range hood, dishwasher, and stacked washer & dryer
  • In-unit heat pump with cooling
  • LEED Gold certification pending

503-287-0875 ⋅ 4150 N. Williams Avenue ⋅ Portland, Oregon 97217