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6333 77th Avenue Se, Mercer Island, WA 98040

Mercer Island
Local realty services provided by:CENTURY 21 Real Estate Center
Listed by: allison w. trull, lisa t. boyd
Office: coldwell banker bain
MLS#:2537113
Source:NWMLS
6333 77th Avenue Se,Mercer Island, WA 98040
$19,500,000
  • 5 Beds
  • 8 Baths
  • 7,858 sq. ft.
  • Single family
  • Active

Price summary

  • Price:$19,500,000
  • Price per sq. ft.:$2,481.55

About this home

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...

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Home facts

  • Year built:2025
  • Subdivision & Development:West Mercer
  • Listing ID #:2537113
  • Updated:September 17, 2026 at 12:43 PM

Rooms and interior

  • Bedrooms:5
  • Total bathrooms:8
  • Full bathrooms:1
  • Half bathrooms:2
  • Flooring:Ceramic Tile Floor, Hardwood, Marble, Stone
  • Kitchen Description:Dishwasher, Disposal, Double Oven, Microwave, Refrigerator, Trash Compactor
  • Bedroom Description:Lower Level Bedrooms : 1, Upper Level Bedrooms : 4
  • Basement:Yes
  • Basement Description:Finished
  • Living area:7,858 sq. ft.

Heating and cooling

  • Heating:Forced Air
  • Central air:Yes

Structure and exterior

  • Roof:Metal
  • Year built:2025
  • Building area:7,858 sq. ft.
  • Lot area:0.48 Acres
  • Lot Features:Paved
  • Architectural Style:Traditional
  • Construction Materials:Wood Exterior Finish
  • Exterior Features:Deck, Dock, Fenced-Partially, Patio, Sprinkler System
  • Foundation Description:Finished
  • Levels:2 Story

Schools

  • High school:Mercer Isl High
  • Middle school:Islander Mid
  • Elementary school:Lakeridge Elem

Utilities

  • Water:Public
  • Sewer:Sewer Connected

Finances and disclosures

  • Price:$19,500,000
  • Price per sq. ft.:$2,481.55
  • Tax amount:$77,449 (2026)

Features and amenities

  • Appliances:Dishwasher, Refrigerator, Washer
  • Laundry features:Dryer, Washer
  • Amenities:Cable TV, Ceiling Fan(s), Dock, Electric Car Charging, Gas Available, High Speed Internet, Irrigation, Moorage, Pantry, SMART Wired, Security System, Sprinkler System, Vaulted Ceiling(s), Walk-In Closet(s), Water Heater, Wine Cellar, Wired for Generator

Parking

  • Total parking spaces:3
  • Parking description:Attached Garage
  • Garage:Yes
MLS LogoListings courtesy of Northwest MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of September 17, 2026. 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. Listing information is provided for consumers' personal, non-commercial use, solely to identify prospective properties for potential purchase; all other use is strictly prohibited and may violate relevant federal and state law. Information deemed reliable but not guaranteed. Copyright © 2026 MLS GRID. All Rights Reserved.

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