Package A
Package B
Package C


You’ll feel right at home among the unique, eco-friendly features at The Mason Williams. Enjoy a breath of fresh air on one of the two landscaped roof decks, or grab your workout buddy and hit the on-site fitness center. Choose a finish package and floor plan that best match your lifestyle and personality.

Main Living Spaces

  • Wood-effect Luxury Vinyl plank flooring made from recycled materials
  • Premium energy-efficient lighting
  • Elevated ceilings averaging 9’ and extending up to 13’4”, depending on location in the building
  • In-unit high-efficiency heat pump for heating and cooling
  • High-performance windows help control solar gain and heat loss
  • Windows or exterior doors open for natural ventilation
  • Small balcony or Juliet balcony in each unit
  • Window blinds included. Vertical blinds in select units.
  • Large interior sliding doors divide living room and bedroom on select plans
  • Low-toxicity, recycled-content carpets reduce noise in bedrooms


  • High-efficiency GE Energy Star® appliances: refrigerator, dishwasher, garbage disposal, microwave, and electric range
  • Contemporary laminate cabinets in natural wood finish, made with FSC-certified materials
  • Low-flow polished chrome faucets and valves
  • Premium energy-efficient lighting, including ceiling track and under-cabinet lighting above the sink (per plan)
  • Wood-effect Luxury Vinyl plank flooring made from recycled materials


  • Armstrong Marmoleum flooring made with natural, recycled, and rapidly renewable materials
  • Wood-grain laminate cabinets made with FSC-certified materials
  • White china sink
  • Ultra low-flow polished chrome bath faucets
  • Water-saver toilets (1.28gpf)
  • Locally made fiberglass bathtub/shower surround
  • Premium energy-efficient lighting
  • Ultra-quiet and efficient Panasonic smart fans

Other Features and Amenities

  • LEED Gold certification pending
  • High-efficiency Energy Star® stacked washer and dryer in each apartment
  • 54 rooftop-mounted solar hot water panels for pre-heated and recirculating hot water. These panels generate 50% of the building’s residential energy needs for hot water.
  • 24.25 kW rooftop solar PV array, generating 20% of building’s common area energy
  • Energy-efficient lighting on building exterior and all parking and corridor areas
  • Trash chute access on each floor
  • Interior recycling and sorting facilities for residents at lobby/parking level
  • Low-toxicity, recycled-content carpet in hallways and stairs reduces noise
  • Two energy-efficient, quick and quiet Synergy MRL elevators
  • Controlled building access for security
  • Fitness center with cardio and weight equipment
  • Sitting area in main lobby
  • Leasing and management office on-site
  • Restricted-access bicycle parking available to all residents
  • Additional storage units available for lease
  • TriMet bus line to light rail and downtown in front of building
  • Reserved car share parking space on-site
  • Reserved, handicapped, and electric car-charging station parking spaces available for lease
  • Compact, automated three-tier parking system spaces available for lease. Provides 17 spaces in the footprint of six traditional spaces.

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