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Listed by Cascade Hasson Sotheby's International Realty, Declan O'Connor. (503) 422-1013

MLS Source logo

6140 SW MILL STPortland, OR 97221

Active
$2,100,000
5
3
6,225 Square Feet

Set on a private 1.5-acre estate in Portland’s coveted Sylvan Highlands, this exceptional 1948 mid-century modern residence is a rare architectural offering where timeless design meets breathtaking natural beauty. Encompassing 6,224 square feet of primarily single-level living, the home offers 4 bedrooms, 3 bathrooms, expansive entertaining spaces, and walls of south-facing glass that invite the outdoors in.Thoughtfully updated while honoring its original character, the chef’s kitchen features custom walnut cabinetry, quartz waterfall counters, white oak hardwood floors, Sub-Zero refrigeration, Wolf double ovens, Miele dishwasher, oversized island cooktop, and an inviting dining area. Elegant living and dining spaces showcase floor-to-ceiling picture windows, rich walnut built-ins, and a marble-surround wood-burning fireplace.A cozy library/den with gas fireplace opens directly to the gardens, while the primary suite offers a spa-like retreat with jetted tub, tiled shower, sauna, custom walk-in closet, and private patio with pergola. Additional bedrooms are bright and spacious with custom built-ins and oversized windows.The grounds are magical; orchards with apple, pear, and plum trees, raised beds, raspberry rows, rose gardens, greenhouse, tranquil fountains, multiple manicured lawns, and several private patios designed for relaxation and entertaining; wildlife abounds, with deer, rabbits, and hawks frequenting the property; newer custom playground and expansive guest parking add flexibility and function.Modern systems include whole-house backup generator; owned solar panels averaging up to $500/month in summer energy savings; efficient boiler heat, mini-split heating and cooling; updated sewer; new plumbing and electrical in 2025; new furnace in 2024; updated irrigation; decommissioned oil tanks.In Bridlemile, West Sylvan, and Lincoln school districts, this is a once-in-a-generation estate offering privacy, beauty, and enduring architectural significance.


FACTS & FEATURES

  • Property Type:
    Residential
  • Architectural Style:
    CustomStyle, MidCenturyModern
  • Bedrooms:
    5
  • Bathrooms:
    3
  • Dwelling Size:
    6,225 Square Feet
  • Lot Size:
    1.51 Acres
  • Lot Description:
  • Stories:
    2
  • Year Built:
    1948
  • Interior Features:
    CorkFloor, HardwoodFloors, HighCeilings, JettedTub, Laundry, Marble, Quartz, WalltoWallCarpet, WasherDryer, WoodFloors
  • Exterior Features:
    CoveredPatio, Fenced, Garden, Greenhouse, Patio, Porch, RaisedBeds
  • Parking:

    Garage or Parking Spaces: 3
    Features: Driveway, OffStreet
  • Area:
    _148
  • Views:
  • Schools:
    High School(s): Lincoln
    Middle School(s): West Sylvan
    Elementary School(s): Bridlemile
  • HOA:
  • Senior Community:
  • Heating:
    Baseboard,ForcedAir,HotWater
  • Cooling:
    MiniSplit,Other
  • Appliances:
    BuiltinOven, BuiltinRefrigerator, CookIsland, Cooktop, Dishwasher, Disposal, DoubleOven, Island, Microwave, Quartz, RangeHood, StainlessSteelAppliance
  • Fireplace:
    Fireplace(s): 3
    Features: Gas,WoodBurning
  • Accessibility:
    AccessibleHallway, GarageonMain, MainFloorBedroomBath, MinimalSteps, NaturalLighting, OneLevel, UtilityRoomOnMain, WalkinShower
  • Security Features:
    SecuritySystemOwned
  • Foundation:
    ConcretePerimeter,Slab
  • Roof:
    Composition

LOCATION


REQUEST INFORMATION

Listing Office: Cascade Hasson Sotheby's International Realty. Listing Agent: Declan O'Connor. Listing ID: 368610326

Last Updated June 18, 2026 8:40 AM
Data last checked against RMLS on June 24, 2026 6:50 AM

The content relating to real estate for sale on this web site comes in part from the IDX program of the RMLS™ of Portland, Oregon. Real estate listings held by brokerage firms other than Harcourts are marked with the RMLS™ logo, and detailed information about these properties includes the names of the listing brokers. Listing content is copyright © 2026 RMLS™, Portland, Oregon. All information is deemed reliable but is not guaranteed and should be independently verified. Some properties which appear for sale on this website may subsequently have sold or may no longer be available.

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