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7909 78th Avenue Se, Mercer Island, WA 98040

Mercer Island
Local realty services provided by:CENTURY 21 North Homes Realty
Listed by: tere foster, robert pong
Office: compass
MLS#:2580194
Source:NWMLS
7909 78th Avenue Se,Mercer Island, WA 98040
$6,800,000
  • 6 Beds
  • 11 Baths
  • 9,340 sq. ft.
  • Single family
  • Active

Price summary

  • Price:$6,800,000
  • Price per sq. ft.:$728.05

About this home

Exceptional South Mercer Island living with Lake Washington and Mount Rainier views. Set on an expansive 23,000+ square foot lot, this impressive 9,340-square-foot residence offers remarkable scale, privacy and resort-style amenities designed for both everyday living and unforgettable entertaining. Generous gathering spaces flow throughout the home, while walls of windows capture beautiful views. Enjoy year-round recreation with an indoor swimming pool and private sport court—creating your own retreat without leaving home. Multiple indoor and outdoor entertaining areas provide space to host on any scale, from relaxed gatherings to special celebrations. A separate guest apartment above the garage offers exceptional flexibility for guests, au pair, home office or additional living space. Ideally located on the south end of Mercer Island with convenient access to shopping, dining, parks and highly regarded Mercer Island schools. A rare combination of views, space, recreation and...

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Home facts

  • Year built:1996
  • Subdivision & Development:Mercer Island
  • Listing ID #:2580194
  • Updated:September 12, 2026 at 12:22 AM

Rooms and interior

  • Bedrooms:6
  • Total bathrooms:11
  • Full bathrooms:4
  • Half bathrooms:3
  • Flooring:Carpet, Ceramic Tile Floor, Hardwood, Travertine
  • Kitchen Description:Dishwasher, Disposal, Microwave, Refrigerator
  • Bedroom Description:Lower Level Bedrooms : 1, Main Level Bedrooms : 1, Upper Level Bedrooms : 4
  • Basement:Yes
  • Basement Description:Daylight, Finished
  • Living area:9,340 sq. ft.

Heating and cooling

  • Cooling:90%+ High Efficiency
  • Heating:90%+ High Efficiency, Forced Air, Heat Pump
  • Central air:Yes

Structure and exterior

  • Roof:Tile
  • Year built:1996
  • Building area:9,340 sq. ft.
  • Lot area:0.54 Acres
  • Lot Features:Dead-end Street, Paved
  • Construction Materials:Stone Exterior Finish, Stucco Exterior Finish
  • Exterior Features:Athletic Court, Deck, Fenced-Partially, Patio, Sprinkler System
  • Foundation Description:Daylight, 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:$6,800,000
  • Price per sq. ft.:$728.05
  • Tax amount:$37,420 (2026)

Features and amenities

  • Appliances:Dishwasher, Refrigerator, Washer
  • Laundry features:Dryer, Washer
  • Amenities:Athletic Court, Built-In Vacuum, Cable TV, Gas Available, High Speed Internet, Pantry, Security System, Sprinkler System, Vaulted Ceiling(s), Walk-In Closet(s), Water Heater, Wine Cellar, Wired for Generator

Parking

  • Total parking spaces:4
  • 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 12, 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. NWMLS Member Broker: Michael Killmer

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