Leave a Message

Thank you for your message. We will be in touch with you shortly.

See all photos

Modern Craftsman Waterfront on Mercer Island

$8,998,000 4102 100th Avenue SE, Mercer Island, WA 98040
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 Seasons spa. 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 1-bdrm beachhouse w/ upper view loft that could be the perfect music rm, office or art studio. 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!
  • For Sale
    Status
  • 5
    Bedrooms
  • 5
    Bathrooms
  • 2010
    Year Built
  • 5,535 Sq.Ft.
    Living Area

Open House

Schedule Showing

Features & Amenities

Area & Lot

  • Status: For Sale
  • Open House:
    4/10/2026 3:00PM - 5:00PM PDT
  • Living Space: 5,535 Sq.Ft.
  • Lot Size: 0.51 Acres
  • MLS® ID: 2501508
  • Type: Residential
  • Year Built: 2010
  • Water Frontage: 90 Feet
  • View Description: Lake, Mountains
  • Elementary School:Northwood Elementary School
  • Middle School: Islander Middle School
  • High School: Mercer Island High School
  • School District: Mercer Island School District

Interior

  • Total Bedrooms: 5
  • Total Bathrooms: 5
  • Flooring: Ceramic Tile, Hardwood, Slate, Carpet
  • Fireplace: Gas, Wood Burning, 4, Fireplaces Lower: 2, Fireplaces Main: 2
  • Appliances: Dishwasher(s),Double Oven,Dryer(s),Garbage Disposal,Microwave(s),Refrigerator(s),Stove(s)/Range(s),Washer(s)
  • Other Interior Features: Basement: Daylight, Finished, Features: Second Kitchen, Bath Off Primary, Built-In Vacuum, Dbl Pane/Storm Window, Dining Room, Fireplace, French Doors, High Tech Cabling, Loft, Pantry, Security System, Skylight(s), SMART Wired, Sprinkler System, Vaulted Ceiling(s), Walk-In Closet(s), Water Heater, Wine Cellar, Wine/Beverage Refrigerator

Exterior & Building

  • Garage Space: 3
  • Water Source: Public, Water Company: City of Mercer Island
  • Roof: Composition
  • Lot Features: Site Features: Cable TV, Deck, Dock, Fenced-Partially, Gas Available, Irrigation, Moorage, Outdoor Fireplace, Patio, RV Parking, Sprinkler System, Lot Details: Dead End Street, Paved, Vegetation: Garden Space, Lot Topography: Level,Partial Slope, Waterfront Description: Medium Bank
  • Parking: Attached Garage, RV Parking
  • Heat Type: 90%+ High Efficiency
  • Air Conditioning: Central Air, Heat Pump
  • Sewer: Connected, Sewer Company: City of Mercer Island
  • Security Features: Partially Fenced, Security System
  • Other Exterior Features: Stone, Wood

Financial

  • Sales Price: $8,998,000
  • Real Estate Tax: $41,749/yr

Modern Craftsman Waterfront on Mercer Island