4889 Forest Avenue SE, Mercer Island, WA 98040

• 5 beds |
• 4 baths |
• 4,910 sqft

Property Description

Coveted Westside Shared Waterfront! Enjoy the best of Mercer Island waterfront living with boat moorage, 100' of community beach, a new dock, boat lift, and beautifully refreshed beachfront grounds. Set in a sought-after mid-Island neighborhood, this updated home blends lake views, dramatic architecture, and exceptional spaces for gathering, entertaining, and everyday living. Soaring ceilings and walls of windows fill the open great room with natural light, flowing seamlessly to an expansive IPE deck overlooking the sport court and turf lawn. The gourmet kitchen anchors the home with high-end appliances and stylish updates, while a dedicated office, formal dining room, and lake-view living room provide space for every occasion. Upstairs, four bedrooms include a serene lake-view primary suite with a flexible bonus room, walk-in closets, and a luxurious 5-piece bath. A rooftop patio offers the perfect spot to unwind with sunset skies and sparkling water views. The lower level features a spacious rec room, wine cellar, and guest suite - ideal for hosting the crowd. Extensively updated with a new roof, windows, paint, automated blinds, A/C, and furnace. Oversized 3-car garage, storage shed, and bonus storage room. A rare opportunity to enjoy boating, beach days, and an exceptional Mercer Island lifestyle.

Listing Status:

Active

Data Last Updated:

June 20, 2026 at 4:22AM

Listing Office:

COMPASS : 425-242-6440

Listing Agent:

Kelly Weisfield : 425-242-6440

MLS ID:

2540446

Interior

• General: Bath Off PrimaryDbl Pane/Storm WindowDining RoomFireplaceFireplace (Primary Bedroom)French DoorsHigh Tech CablingJetted TubLoftSecurity SystemSkylight(s)Vaulted Ceiling(s)Walk-In Closet(s)Wine CellarWine/Beverage Refrigerator
• Appliances: DishwasherDisposalDouble OvenDryerRefrigeratorStove(s)/Range(s)Trash CompactorWasher
• Basement: DaylightFinished
• Flooring: Ceramic TileHardwoodSlateVinylCarpet
• A/C: Central AirForced Air
• Heating: Forced AirHigh Efficiency (Unspecified)
• Fireplace: GasWood BurningFireplaceFireplaces: 3

Exterior

• General: StoneWood
• Parking: Attached GarageParking spaces: 3

Construction

• Roofing: Composition
• General: Multi/SplitPoured Concrete

Location

• HOA Amenities: CCRs2000.0Annually
• Originating MLS: nwmls
• School District: Mercer Island
• County: King

Lot

• Topography: LevelPartial SlopeTerraces
• Zoning: 9332700070
• View: CityLakeMountainsTerritorialView

Utilities

• Water: Public
• Sewer: Sewer Connected

Financial

• Source: nwmls