5927 178th Court SE · Bellevue, WA 98006
Source: NWMLS · Sound Real Estate Services LLC · Chris Tanaka #NWM2554880
About this home
Newly offered at $3,195,000—an exceptional opportunity to own a meticulously maintained John Buchan estate on one of Cougar Mountain’s most remarkable properties. Set on a beautifully landscaped 0.8-acre lot, the newly redesigned grounds have opened up the yard to create expansive areas of level lawn, enhancing the home’s outdoor space, usability, and park-like setting. The rare amount of flat yard provides an ideal backdrop for recreation, entertaining, and relaxed everyday living. Inside, soaring ceilings, walls of windows, rich architectural details, and generous gathering spaces reflect the timeless craftsmanship for which John Buchan Homes is renowned. Tranquil territorial and sunset views complement a thoughtful floor plan that balances elegant entertaining with warmth and livability. Multiple patios and outdoor gathering areas create a seamless connection between the beautifully appointed interior and the property’s exceptional grounds. Located just minutes from downtown Issaquah and served by highly regarded Issaquah schools, this distinguished property offers a rare combination of timeless architecture, exceptional outdoor living, privacy, and convenience—now at a compelling new price. 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.
Location
Basics
- Property type
- Single Family Residence
- Style
- Traditional
- Stories
- 2 stories
- Condition
- Very Good
- Year built
- 2015
- Lot size
- 35,006 sq ft (0.8 acres)
- County
- King
- MLS #
- NWM2554880
Interior
- Heating
- 90%+ High Efficiency, Forced Air
- Cooling
- 90%+ High Efficiency, Central Air, Forced Air, Heat Pump
- Flooring
- Ceramic Tile, Hardwood, Carpet
- Appliances
- Dishwasher, Disposal, Microwave, Refrigerator, Stove(s)/Range(s), Tankless Water Heater
- Fireplace
- 2 · Gas
- Interior features
- Bath Off Primary, Ceiling Fan(s), Dbl Pane/Storm Window, Dining Room, Fireplace, French Doors, High Tech Cabling, Security System, Skylight(s), Walk-In Closet(s), Wired for Generator
- Entry level
- Main
Exterior & lot
- Exterior features
- Cement Planked, Stone
- Roof
- Composition
- Foundation
- Poured Concrete
- Lot features
- Dead End Street, Paved
- Topography
- Level,Partial Slope
- View
- Lake, Mountains, Territorial
- Waterfront
- No
Parking
- Parking spaces
- 5
- Garage
- Yes (attached)
- Covered spaces
- 3
- Parking features
- Attached Garage
Utilities
- Water
- Public
- Sewer
- Sewer Connected
- Power
- Electric, Natural Gas
Community & fees
- Subdivision
- Cougar Mountain
- Property tax
- $25,985 (2025)
Transaction
- Original list price
- $3,225,000 (0.9% price cut)
- Listed on
- Jul 15, 2026
- Days on market
- 129
- Price per sq ft
- $554
- Listing terms
- Cash, Conventional
- Possession
- Closing
More homes nearby
Sale history
Earlier listings of this home on the MLS.
- 2021-08-19
- Sold$3,080,000
- 2019-02-14
- Sold$2,588,000
- 2015-05-12
- Sold$1,999,950
Schools
School district: Issaquah
- Elementary
- Cougar Ridge Elem
- Middle
- Issaquah Mid
- High
- Issaquah High SchoolSchoolDigger 5 stars · Top 4% in WA

Listing provided courtesy of: Sound Real Estate Services LLC
Listing agent: Chris Tanaka.
Based on information submitted to the MLS GRID as of —. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. IDX information provided exclusively for consumers' personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.
Data last updated 2026-08-31.