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$3,850,000
29 Days On Site

4889 Forest Avenue SE
Mercer Island, WA 98040

For Sale|Single Family Residence|Active
5
Beds
4
Total Baths
2
Full Baths
2
Partial Baths
4,910
SqFt
$784
/SqFt
1982
Built
Cumulative Days On Market:
29
Subdivision:
Westside
County:
King
Courtesy of NWMLS
Listing courtesy of Kelly Weisfield of COMPASS

Due to the health concerns created by Coronavirus we are offering personal 1-1 online video walkthough tours where possible.

4889 Forest Avenue SE4889 Forest Avenue SE4889 Forest Avenue SE4889 Forest Avenue SE
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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.

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Listing Snapshot
Price 
$3,850,000
Days On Site 
29 Days
Bedrooms 
5
Inside Area (SqFt) 
4,910 sqft
Total Baths 
4
Full Baths 
2
Partial Baths 
2
Lot Size 
0.354 Acres
Year Built 
1982
MLS® Number 
2540446
Status 
Active
Property Tax 
$24,938
HOA/Condo/Coop Fees 
$166.67 monthly
Sq Ft Source 
N/A
Friends & Family
Recent Activity
4 days agoListing updated with changes from the MLS®
4 weeks agoStatus changed to Active
4 weeks agoListing first seen on site
General Features
Acres 
0.354
Attached Garage 
Yes
Garage 
Yes
Land Lease 
No
Levels 
Multi/Split
Parking 
Attached
Parking Spaces 
3
Property Sub Type 
Single Family Residence
Security 
Security System
SqFt Total 
4910
Utilities 
Cable AvailableSewer Connected
Water Source 
Public
Zoning 
R-15
Interior Features
Appliances 
DishwasherDouble OvenDryerRefrigeratorTrash CompactorDisposalWasher
Basement 
DaylightFinished
Cooling 
Central Air
Fireplace 
Yes
Fireplace Features 
GasWood BurningMaster Bedroom
Fireplaces 
3
Flooring 
Ceramic TileHardwoodSlateVinylCarpet
Heating 
Natural GasForced Air
Interior 
Walk-In Closet(s)Vaulted Ceiling(s)
Window Features 
Skylight(s)
Bathroom Full 
Level - Second
Bathroom Half 
Level - Main
Bathroom Three Quarter 
Level - Lower
Bedroom 
Level - Second
Den 
Level - Main
Dining Room 
Level - Main
Entry Hall 
Level - Main
Extra Fin Room 
Level - Lower
Great Room 
Level - Main
Kitchen 
Level - Main
Living Room 
Level - Main
Master Bedroom 
Level - Third
Rec Room 
Level - Lower
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Exterior Features
Construction Details 
StoneWood Siding
Exterior 
Garden
Fencing 
Partial
Lot Features 
LevelWoodedPaved
Other Structures 
Outbuilding
Patio And Porch 
DeckPatio
Roof 
Composition
View 
CityLakeMountain(s)Territorial
Waterview 
CityLakeMountain(s)Territorial
Windows/Doors 
Skylight(s)
Community Features
Accessibility Features 
Therapeutic Whirlpool
Association Dues 
2000
Building Access 
Main
Financing Terms Available 
CashConventional
HOA Fee Frequency 
Annually
MLS Area 
510 - Mercer Island
School District 
Mercer Island
Schools
School District
Mercer Island
Elementary School
Buyer To Verify
Middle School
Islander Mid
High School
Mercer Isl High
Courtesy of NWMLS
Listing courtesy of Kelly Weisfield of COMPASS



Listing information is provided by Participants of the Northwest MLS. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Copyright 2026, Northwest MLS.
All data is obtained from various sources and may not have been verified by the 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.
Last checked: 2026-07-14 09:24 PM PDT

Neighborhood & Commute
Source: Walkscore
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