Listing provided courtesy of Coldwell Banker BainNWMLSas Distributed by MLSGrid- MLS# NWM2537113
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Request Info6333 77th Avenue SEMercer Island, WA 98040
Single Family · 5 Beds · 1 Full Bath · 2 Half Baths · 5 Three Quarter Baths · 7,858 Sq. ft. | 0.48 Acres$19,500,000
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6333 77th Avenue SE Overview
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An artisanal masterpiece designed to elevate everyday living and a love for the lake. Designed by Studio McGee and built by Lochwood-Lozier Custom Homes, this waterfront estate occupies a coveted position along Mercer Island’s Gold Coast, capturing all-day sun, western sunsets, and views across Lake Washington to Seward Park. Set on 86 feet of street-to-water frontage, the property features level lawn to the water’s edge, a private swim cove, sports court, and new Seaborn dock with power, water, lighting and lift ready infastructure. From afternoons on the dock to evenings watching boats drift across the lake, the home embodies waterfront living. The Traditional Heritage architecture embraces Calcutta marble, white oak herringbone and wide-plank floors, custom millwork, copper accents, and natural stone. Michelin level entertaining kitchen with hidden scullery and working pantry anchors the home for dinners or large scale events. The primary suite offers a sanctuary with custom boutique level dressing room, while a wellness retreat includes a fitness studio, sauna, and lakeside bath. A chilled glass wine gallery, library, dual offices, bonus spaces, and en-suite bedrooms provide flexibility. Covered heated outdoor rooms, outdoor kitchen, Crestron automation, solar, Generac backup power, and three-car garage complete this legacy estate on one of Mercer Island’s sought-after stretches of waterfront.
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6333 77th Avenue SE Facts & Features
- Type Single Family
- Sq. ft. 7,858
- Price/Sq.ft. $2,482
- Lot 0.48 Acres
Details
General
Association/HOA
- Association Fee: $0.00
School Information
- School District: Mercer Island
- Elementary School: Lakeridge Elem
- Middle Or Junior School: Islander Mid
- High School: Mercer Isl High
Building Information
- Builder Name: Lochwood Lozier Custom Homes
- Building Name: Lake View Highlands
- New Construction: No
- Year Built: 2025
Location/Region
- Country: US
- County Or Parish: King
- MLS Area Major: 510 - Mercer Island
- Subdivision Name: West Mercer
Community/Development
- Community Features: CCRs
Rent/Lease Information
- Land Lease: No
Tax Information
- Tax Annual Amount: $77,449.00
- Tax Year: 2026
General Information
- Inclusions: Dishwasher(s), Double Oven, Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Trash Compactor, Washer(s)
- Listing Terms: Cash, Conventional
- Parcel Number: 4097100010
- Property Condition: Very Good
- Property Sub Type: Single Family Residence
- Property Type: Residential
- Senior Community: No
- Special Listing Conditions: None
Interior
Building Information
- Building Information: Built On Lot
Parking Information
- Garage: Yes
Beds/Baths
- Bathrooms Full: 1
- Bathrooms Half: 2
- Bathrooms Three Quarter: 5
- Bathrooms Total: 8
- Bedrooms Total: 5
- Bedrooms Lower: 1
- Bedrooms Upper: 4
Building Interior
- Appliances Included: Dishwasher(s), Double Oven, Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Trash Compactor, Washer(s)
- Building Area Total: 7858
- Building Area Units: Square Feet
- Calculated Square Footage: 7858
- Square Footage Finished: 7858
- Square Footage Unfinished: 0
General Information
- Appliances: Dishwasher, Disposal, Double Oven, Dryer, Microwave, Refrigerator, Stove(s)/Range(s), Trash Compactor, Washer
- Basement: Finished
- Cooling: Yes
- Entry Location: Main
- Fireplace Features: Gas
- Fireplace: Yes
- Fireplaces Total: 2
- Flooring: Ceramic Tile, Hardwood, Marble, Stone
- Foundation Details: Poured Concrete
- Heating: Yes
- Interior Features: Second Kitchen, Bath Off Primary, Ceiling Fan(s), Dbl Pane/Storm Window, Dining Room, Fireplace, High Tech Cabling, Hot Tub/Spa, Pantry, Sauna, Security System, SMART Wired, Sprinkler System, Vaulted Ceiling(s), Walk-In Closet(s), Water Heater, Wet Bar, Wine Cellar, Wine/Beverage Refrigerator, Wired for Generator
- Levels: Two
- Living Area: 7858
- Main Level Bathrooms: 1
- Main Level Bedrooms: 0
- Power Production Type: Natural Gas
- Security Features: Partially Fenced,Security System
- Spa: Yes
Exterior
Parking Information
- Open Parking: No
- Parking Features: Attached Garage
- Parking Total: 3
Lot Information
- Irrigation Water Rights: No
- Lot Features: Paved
- Lot Size Acres: 0.4844
- Lot Size Square Feet: 21100
- Lot Size Units: Square Feet
- Site Features: Cable TV, Deck, Dock, Electric Car Charging, Fenced-Partially, Gas Available, High Speed Internet, Irrigation, Moorage, Patio, Sprinkler System
- Topography: Level, Terraces
- Vegetation: Garden Space
- Elevation Units: Feet
- Water Source: Public
Waterfront/View
- Waterfront Features: Low Bank
- Waterfront: Yes
Building Exterior/Construction
- Attached Garage: Yes
- Roof: Metal
- Structure Type: House
General Information
- Carport: No
- Covered Spaces: 3
- Exterior Features: Wood
- Sewer: Sewer Connected
Room Information
Room: Bathroom Half
- Level: Lower
Room: Bathroom Three Quarter
- Level: Lower
Room: Bathroom Three Quarter
- Level: Lower
Room: Bedroom
- Level: Lower
Room: Extra Fin Room
- Level: Lower
Room: Extra Fin Room
- Level: Lower
Room: Rec Room
- Level: Lower
Room: Utility Room
- Level: Lower
Room: Bathroom Half
- Level: Main
Room: Den/Office
- Level: Main
Room: Dining Room
- Level: Main
Room: Entry Hall
- Level: Main
Room: Extra Fin Room
- Level: Main
Room: Extra Fin Room
- Level: Main
Room: Great Room
- Level: Main
Room: Kitchen With Eating Space
- Level: Main
Room: Bathroom Full
- Level: Second
Room: Bathroom Three Quarter
- Level: Second
Room: Bathroom Three Quarter
- Level: Second
Room: Bathroom Three Quarter
- Level: Second
Room: Bedroom
- Level: Second
Room: Bedroom
- Level: Second
Room: Bedroom
- Level: Second
Room: Bonus Room
- Level: Second
Room: Primary Bedroom
- Level: Second
Room: Utility Room
- Level: Second
6333 77th Avenue SE Neighborhood
Community
98040 (MERCER ISLAND) Demographics
46
Median Age
2,001
Population Density (per sq. mile)
82%
College Educated
$150,506
Estimated Median Income
6,779
Estimated Total Home Owners
3,349
Estimated Total Renters
67% / 33%
Estimated Owner / Renter Divide
3
Estimated Average Household Size
Schools
School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.6333 77th Avenue SE Monthly Cost
6333 77th Avenue SE Market Data
Based on the last 30 days in this zip code
$4,213,066
Average List Price
$1,190
Average Price per Square Foot
19
Properties Sold
61
Average Days on Market
107
Properties for Sale
6333 77th Avenue SE History
| Date | Value | Agent |
|---|---|---|
| 6/9/2026Source: NWMLS | June 09, 2026 |
|
| 8/23/2022Source: NWMLS | Sold |
|
| 8/9/2022Source: NWMLS | Pending |
|
| 8/5/2022Source: NWMLS | August 05, 2022 |