4102 100th Avenue SE Mercer Island, WA 98040
Listing Courtesy of: MLS LogoNorthwest MLS as distributed by MLS GRID / Listed By: Joan Bayley, Windermere Real Estate East, Inc.

  4102 100th Avenue SE Mercer Island, WA 98040

Active (76 Days)
$8,495,000 (USD)
5
BED
5
BATH
5,535
SQFT

Description

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!

MLS #:
2543693
Taxes
$41,749(2025)
Lot Size
0.51 acres
Type
Single-Family Home
Building Name
Lakeholm Addition
Year Built
2010
Style
2 Stories W/Bsmnt
Views
Lake, Mountains
School District
Mercer Island
County
King County
Community
North End

Listed By

Joan Bayley, Windermere Real Estate East, Inc.
Source
Northwest MLS
Last checked Jun 22 2026 at 10:13 PM PDT
Bathroom Details
  • Full Bathrooms: 3
  • 3/4 Bathroom: 1
  • Half Bathroom: 1
Interior Features
  • Built-In Vacuum
  • High Tech Cabling
  • Pantry
  • Dishwasher
  • Microwave
  • Disposal
  • Fireplace
  • French Doors
  • Loft
  • Refrigerator
  • Dryer
  • Washer
  • Dbl Pane/Storm Window
  • Smart Wired
  • Bath Off Primary
  • Vaulted Ceiling(s)
  • Water Heater
  • Walk-In Closet(s)
  • Security System
  • Double Oven
  • Sprinkler System
  • Second Kitchen
  • Wine Cellar
  • Skylight(s)
  • Dining Room
  • Stove(s)/Range(s)
  • Wine/Beverage Refrigerator
Subdivision
  • North End
Lot Information
  • Dead End Street
  • Paved
Property Features
  • Deck
  • Dock
  • Gas Available
  • Patio
  • Rv Parking
  • Moorage
  • Irrigation
  • Cable Tv
  • Sprinkler System
  • Fenced-Partially
  • Outdoor Fireplace
  • Fireplace: Gas
  • Fireplace: Wood Burning
  • Fireplace: 4
  • Foundation: Poured Concrete
Heating and Cooling
  • 90%+ High Efficiency
Basement Information
  • Daylight
  • Finished
Flooring
  • Hardwood
  • Slate
  • Carpet
  • Ceramic Tile
Exterior Features
  • Stone
  • Wood
  • Roof: Composition
Utility Information
  • Sewer: Sewer Connected
  • Fuel: Natural Gas
School Information
  • Elementary School: Buyer to Verify
  • Middle School: Islander Mid
  • High School: Mercer Isl High
Parking
  • Rv Parking
  • Attached Garage
Stories
  • 2
Living Area
  • 5,535 sqft
Additional Listing Info
  • Buyer Brokerage Compensation: 2
Buyer's Brokerage Compensation not binding unless confirmed by separate agreement among applicable parties.
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Estimated Monthly Mortgage Payment

*Based on Fixed Interest Rate withe a 30 year term, principal and interest only

Listing price
Down payment
%
Interest rate
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Mortgage calculator estimates are provided by Windermere Real Estate and are intended for information use only. Your payments may be higher or lower and all loans are subject to credit approval.
Disclaimer: Square footage is based on information available to agent, including County records. Information has not been verified by agent and should be verified by buyer.
Based on information submitted to the MLS GRID as of 6/22/2026 15:13. 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.