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4102 100th Avenue Se, Mercer Island, WA 98040

Mercer Island
Local realty services provided by:CENTURY 21 Tri-Cities
Listed by: joan c. bayley, tere foster
Office: windermere real estate/east
MLS#:2501508
Source:NWMLS
4102 100th Avenue Se,Mercer Island, WA 98040
$8,998,000
  • 5 Beds
  • 5 Baths
  • 5,535 sq. ft.
  • Single family
  • Active

Price summary

  • Price:$8,998,000
  • Price per sq. ft.:$1,625.65

About this home

A Modern Craftsman has come available on the desirable north end! Offering 90 feet of sparkling waterfront, a boater's dream dock & an unforgettable beachside guest house, this exceptional property is set on a 1/2 acre of richly manicured grounds w/ a pancake flat lawn stretching right to the water's edge. Inside, experience timeless architectural detail...chubby triple crown molding, board-and-batten 3/4 wainscot, an absolute exquisite level of craftsmanship awaits. Entertain in the Epicurean's dream kitchen where a massive island anchors the rm, offering space for gathering, prepping & entertaining. Flow seamlessly into the Great Rm, where an entire window wall & double sets of French doors open, blurring the line between the outdoors & the in. A separate upper wing hosts an expansive office/apartment suite w/ kitchenette ideal for work, guests, or multigenerational living. Retreat to the main flr primary, a sanctuary in itself, w/ stunning views & bath area reminiscent of a Four...

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Home facts

  • Year built:2010
  • Listing ID #:2501508
  • Updated:April 25, 2026 at 11:03 AM

Rooms and interior

  • Bedrooms:5
  • Total bathrooms:5
  • Full bathrooms:3
  • Half bathrooms:1
  • Flooring:Carpet, Ceramic Tile Floor, Hardwood, Slate Floor
  • Kitchen Description:Dishwasher, Disposal, Double Oven, Microwave, Refrigerator
  • Bedroom Description:Lower Level Bedrooms : 3, Main Level Bedrooms : 1, Upper Level Bedrooms : 1
  • Basement:Yes
  • Basement Description:Daylight, Finished
  • Living area:5,535 sq. ft.

Heating and cooling

  • Heating:90%+ High Efficiency
  • Central air:Yes

Structure and exterior

  • Roof:Composition
  • Year built:2010
  • Building area:5,535 sq. ft.
  • Lot area:0.51 Acres
  • Lot Features:Dead-end Street, Paved
  • Construction Materials:Stone Exterior Finish, Wood Exterior Finish
  • Exterior Features:Deck, Dock, Fenced-Partially, Patio, Sprinkler System
  • Foundation Description:Daylight, Finished
  • Levels:2 Story

Schools

  • High school:Mercer Isl High
  • Middle school:Islander Mid
  • Elementary school:Buyer To Verify

Utilities

  • Water:Public
  • Sewer:Sewer Connected

Finances and disclosures

  • Price:$8,998,000
  • Price per sq. ft.:$1,625.65
  • Tax amount:$41,749 (2025)

Features and amenities

  • Appliances:Dishwasher, Refrigerator, Washer
  • Laundry features:Dryer, Washer
  • Amenities:Built-In Vacuum, Cable TV, Dock, French Doors, Gas Available, Irrigation, Moorage, Pantry, SMART Wired, Security System, Skylight(s), Sprinkler System, Vaulted Ceiling(s), Walk-In Closet(s), Water Heater, Wine Cellar
  • Smart home:Yes

Parking

  • Total parking spaces:3
  • Parking description:Attached Garage, RV Parking
  • Garage:Yes
MLS LogoListings courtesy of Northwest MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of April 25, 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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