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$3,850,000 Just Listed
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.
Full Property Details
Full Property Details for 4889 Forest Ave SE
General
- Price: $3,850,000
- HOA FEE: $167/month
- HOA FEE FREQ.: Annually
- Taxes: $24,938 (2025)
- Status: Active
- Type: Single Family
- Source: NWMLS
- MLS ID: 2540446
- Updated: 6/17/2026
- Added to Site: 5 day(s) ago
Interior
- Interior Features: Bath Off Primary, Dbl Pane/Storm Window, Dining Room, Fireplace, Fireplace (Primary Bedroom), French Doors, High Tech Cabling, Jetted Tub, Loft, Security System, Skylight(s), Vaulted Ceiling(s), Walk-In Closet(s), Wine Cellar, Wine/Beverage Refrigerator
- Fireplace: Yes
- Number of Fireplaces: 3
- Fireplace(s): Gas, Wood Burning
- Appliances: Dishwasher(s), Double Oven, Dryer(s), Garbage Disposal, Refrigerator(s), Stove(s)/Range(s), Trash Compactor, Washer(s)
- Flooring: Ceramic Tile, Hardwood, Slate, Vinyl, Carpet
Rooms
Bathrooms
- Total Bathrooms: 4
- Full Bathrooms: 2
- 3/4 Bathrooms: 1
- Half Bathrooms: 1
- Upper - Full Baths: 2
- Main Floor Baths: 1
- Main - 1/2 Baths: 1
- Lower - 3/4 Baths: 1
Bedrooms
- Total Bedrooms: 5
- Bedrooms Upper: 4
- Bedrooms Lower: 1
Additional Information
- Amenities: Athletic Court, Cable TV, Deck, Dock, Fenced-Partially, Gas Available, High Speed Internet, Moorage, Outbuildings, Outdoor Fireplace, Patio, Rooftop Deck, Shop, Sprinkler System
- Security/Safety: Partially Fenced, Security System
Parking
- Garage: Yes
- Attached garage: Yes
- Covered Spaces: 3
- Parking Features: Attached Garage
Location
- Area: 510 - Mercer Island
- County: King
- Subdivision: Westside
- Driving Directions: Heading South on West Mercer Way, right on 84th Ave SE. Right again on Forest Ave SE. Follow down toward water. Home is at the bottom of the road on the left.
School Information
- High School District: Mercer Island
- Elementary School: Buyer To Verify
- Middle School: Islander Mid
- High School: Mercer Isl High
Community
- Association: Yes
Heating & Cooling
- Air Conditioning: Yes
- Cooling Type: Central Air, Forced Air
- Heating Type: Forced Air, High Efficiency (Unspecified)
Utilities
- Sewer: Sewer Connected
- Water: Public
Structural Information
- Structure Type: House
- Exterior Const.: Stone, Wood
- Basement Desc.: Daylight, Finished
- Foundation: Poured Concrete
- Roof: Composition
- Entry Location: Main
- Square Feet: 4,910
- Finished Total: 4,910 Sq. Ft.
- Year Built: 1982
Lot Features
- Property View: City, Lake, Mountains, Territorial
- Lot Size (Acres): 0.354
- Lot Size (Sq. Ft.): 15,421
- Lot Size Source: KCR
- Topography: Level, Partial Slope, Terraces
- Lot Features: Dead End Street, Paved
- Trees/Vegetation: Garden Space, Wooded
Financial Considerations
- Association Fee: $2,000
- Assoc Fee Freq.: Annually
- Tax Amount: $24,938
- Tax Year: 2025
- Terms: Cash, Conventional
Disclosures and Reports
- Special Conditions: None
- Inclusions: Dishwasher(s), Double Oven, Dryer(s), Garbage Disposal, Refrigerator(s), Stove(s)/Range(s), Trash Compactor, Washer(s)
- Property ID: 9332700070
Listed by Kelly Weisfield | Compass | (425) 242-6440
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Schools
Schools serving 4889 Forest Ave SE
School District:Mercer Island School District
| Name | Grades | Distance |
|---|---|---|
Island Park Elementary School 5437 Island Crest Way, Mercer Island, WA 98040 | K-5 | 0.4 mi |
Northwood Elementary School, Mercer Island, WA 4030 86th Avenue Southeast, Mercer Island, WA 98040 | K-5 | 1.1 mi |
Islander Middle School 8225 Southeast 72nd Street, Mercer Island, WA 98040 | 6-8 | 1.4 mi |
Mercer Island High School 9100 Southeast 42nd Street, Mercer Island, WA 98040 | 9-12 | 1.1 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 4889 Forest Ave SE
Date
Details
Price
Change
Source
6/16/2026
Listed
$3,850,000
30.51%
MLS
9/27/2018
Sold
$2,950,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 4889 Forest Ave SE
Year
Property Taxes
Change
Tax Assessment
Change
2026
$27,432
10%
$4,210,000
11%
2024
$24,938
1%
$3,808,000
-5%
2024
$24,621
—
$4,000,000
—
2022
$24,535
19%
$4,000,000
37%
2021
$20,598
—
$2,914,000
13%
2021
$20,598
-6%
$2,573,000
-7%
2020
$21,858
7%
$2,767,000
2%
2019
$20,358
-4%
$2,709,000
11%
2018
$21,204
18%
$2,444,000
11%
2017
$17,907
7%
$2,200,000
10%
2016
$16,660
4%
$1,993,000
9%
2015
$16,053
18%
$1,835,000
23%
2014
$13,632
—
$1,492,000
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 4889 Forest Ave SE
4889 Forest Avenue SE, Mercer Island, WA 98040 (MLS# 2540446) is a Single Family property with 5 bedrooms, 2 full bathrooms and 2 partial bathrooms. 4889 Forest Avenue SE is currently listed for $3,850,000 and was received on June 16, 2026. Want to learn more about 4889 Forest Avenue SE? Do you have questions about finding other Single Family real estate for sale in Forest Park Meadow? You can browse all Forest Park Meadow real estate or contact a Coldwell Banker agent to request more information.
