5927 178th Court SE, Bellevue, WA 98006

• 5 beds |
• 4 baths |
• 5,766 sqft

Property Description

Crafted by John Buchan Homes—one of Washington State's longest-standing and most respected luxury builders with more than six decades of excellence—this exceptional Cougar Mountain estate embodies the timeless craftsmanship, architectural distinction, and enduring quality that have defined the Buchan name for generations. The crown jewel of this estate is its extraordinary outdoor setting. Situated on a beautifully landscaped 0.8-acre lot, the home offers a rare amount of flat, usable yard space that is seldom available on Cougar Mountain. Whether hosting large gatherings, enjoying outdoor recreation, or simply relaxing in a private park-like environment, the expansive grounds provide a lifestyle opportunity that truly sets this home apart. Inside, soaring ceilings, expansive gathering spaces, rich architectural details, and walls of windows create a warm yet sophisticated living experience while capturing tranquil territorial and sunset views. Designed for elevated entertaining and everyday comfort, the residence seamlessly blends elegance with livability—a hallmark of the Buchan legacy. Multiple outdoor entertaining areas extend the living experience beyond the home and into the property's remarkable grounds. The result is a residence that lives as beautifully outdoors as it does within. A rare opportunity to own one of Cougar Mountain where extraordinary outdoor living, timeless architecture, just minutes from DTWN Issaquah, and top-rated Issaquah schools.

Listing Status:

Active

Data Last Updated:

July 5, 2026 at 2:19PM

Listing Office:

Sound Real Estate Services LLC : 206-427-8762

Listing Agent:

Chris Tanaka : 206-427-8762

MLS ID:

2519557

Interior

• General: Bath Off PrimaryCeiling Fan(s)Dbl Pane/Storm WindowDining RoomFireplaceFrench DoorsHigh Tech CablingSecurity SystemSkylight(s)Walk-In Closet(s)Wired for Generator
• Appliances: DishwasherDisposalMicrowaveRefrigeratorStove(s)/Range(s)Tankless Water Heater
• Basement: Finished
• Flooring: Ceramic TileHardwoodCarpet
• A/C: 90%+ High EfficiencyCentral AirForced AirHeat Pump
• Heating: 90%+ High EfficiencyForced Air
• Fireplace: GasFireplaceFireplaces: 2
• Eco/Green Feature: Double Wall

Exterior

• General: Cement PlankedStone
• Style: Traditional
• Parking: Attached GarageParking spaces: 5

Construction

• Roofing: Composition
• General: Double WallTwoPoured Concrete

Location

• HOA Amenities: 0.0
• Originating MLS: nwmls
• School District: Issaquah
• County: King

Lot

• Topography: LevelPartial Slope
• Zoning: 2424059174
• View: LakeMountainsTerritorialView

Utilities

• Water: Public
• Sewer: Sewer Connected

Financial

• Source: nwmls