4102 100th Avenue SE Mercer Island, WA 98040

$8,495,000
5
Beds
3.5
Baths
0.50
Acres
5,535
SQFT
1535
$/SQFT
$8,495,000
5
Beds
3.5
Baths
5,535   sf
$1535 / sf
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Get on the lake this summer and jump into one of the best waterfront investment opportunities on Lake Washington. This Northend Retreat showcases 90 ft of shoreline, a pancake flat lawn, a newer dock, and a guest house at the water’s edge. Inside, craftsmanship reigns w/triple crown molding + rich millwork & board & batten details. An epic Great Room awaits, flowing effortlessly through a fully opening retractable window wall & triple sets of French doors to multiple deck spaces & a covered outdoor living area w/ TV, frplc and built in BBQ. At its heart sits an Epicurean kitchen—a true command center for serious cooking & unforgettable gatherings. Private upper wing hosts an apartment suite w/ kitchenette ideal for work or multigenerational living. Retreat to the main flr primary, a sanctuary in itself, w/ soaring ceilings, stunning views, his/hers closets & its own laundry. The lower level unfolds into a wonderland of space w/ 3 bdrms (1 an ensuite), exercise + big bonus/billiard rm. At the shoreline, discover a charming beach house w/ upper view loft that could be the perfect art studio or massive storage space for all of the outdoor toys. Control 4 smart home. 3 laundry rms. 5 bdrm/4.5 bth, 5,535 sf main house, 1 bdrm/1bth, 950 sf casita. With a 3-car garage, generous auto court & newer boat ready dock, you'll never want to leave. Welcome home to the ultimate in wtrfrnt living!

Get on the lake this summer and jump into one of the best waterfront investment opportunities on Lake Washington. This Northend Retreat showcases 90 ft of shoreline, a pancake flat lawn, a newer dock, and a guest house at the water’s edge. Inside, craftsmanship reigns w/triple crown molding + rich millwork & board & batten details. An epic Great Room awaits, flowing effortlessly through a fully opening retractable window wall & triple sets of French doors to multiple deck spaces & a covered outdoor living area w/ TV, frplc and built in BBQ. At its heart sits an Epicurean kitchen—a true command center for serious cooking & unforgettable gatherings. Private upper wing hosts an apartment suite w/ kitchenette ideal for work or multigenerational living. Retreat to the main flr primary, a sanctuary in itself, w/ soaring ceilings, stunning views, his/hers closets & its own laundry. The lower level unfolds into a wonderland of space w/ 3 bdrms (1 an ensuite), exercise + big bonus/billiard rm. At the shoreline, discover a charming beach house w/ upper view loft that could be the perfect art studio or massive storage space for all of the outdoor toys. Control 4 smart home. 3 laundry rms. 5 bdrm/4.5 bth, 5,535 sf main house, 1 bdrm/1bth, 950 sf casita. With a 3-car garage, generous auto court & newer boat ready dock, you'll never want to leave. Welcome home to the ultimate in wtrfrnt living!

  • Neighborhood
  • Type
  • Total Baths
  • 1/2 Baths
  • County
    King
  • Area
    510 - Mercer Island
  • Tax Amount
    $41,749
  • Status
    Active
  • Listing #
    2543693
  • Built
    2010
  • Lot Size
    0.50
  • Listed on site
    1 day

Listed by:
Windermere Real Estate/East

Listing information © 2023 Northwest Multiple Listing Service. Information is based on data available to the associate, including county records. The information contained in this listing has not been verified by LaVerne Pike - Windermere Real Estate - and should be verified by the buyer. The listing data relating to real estate for sale on this web site comes in part from the Northwest Multiple Listing Service. Real estate listings held by brokerage firms other than Laverne Pike - Windermere Real Estate are marked by the "three tree" symbol; detailed information about such listings includes the names of the listing brokers. Data last updated 2026-06-23 21:30:52. DMCA
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Community Features

  • No HOA
  • No Adult Community

Waterfront

  • Water Access
  • Water front

Exterior features

  • Has garage
  • No Pool
  • Basement

Interior Features

  • Fire Place
  • Master Downstairs
  • Walk-In Closet
  • Washer Dryer In Unit
  • Basement Finished
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