6140 Southwest Mill Street

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.