3639 W Mercer Way Mercer Island WA 98040 MLS #NWM2442125
Listing Provided Courtesy of Coldwell Banker BainReintroducing the ultimate Mercer Island lifestyle. A bespoke home on 100′ of unparalleled west facing Lake WA frontage is built at the water’s edge. Designed for indoor/outdoor living and entertaining; the one-of-a-kind terrace perched over the water could not be built today. French doors and folding windows link al fresco energy to the warmth inside. Studs up remodel in 2016 spared no expense and added a separate carriage house. Notable details include limestone and sandstone imported from a quarry in France, floors reclaimed from a 16th century Italian monastery, specimen gardens, and a dock w/covered slip. Elan Smart Home System lets you manage your home from your phone. A generator runs the entire home if needed. Front row for Seafair.
Current real estate data for Single Family in Mercer Island as of Nov 10, 2025
52
Single Family Listed
91
Avg DOM
1,157
Avg $ / SqFt
$5,192,019
Avg List Price
Property Details
Price:
$9,995,000
MLS #:
NWM2442125
Status:
Active
Beds:
4
Baths:
5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Westside
Neighborhood:
510mercerisland
Listed Date:
Oct 6, 2025
Finished Sq Ft:
5,040
Total Sq Ft:
5,040
Lot Size:
17,000 sqft / 0.39 acres (approx)
Year Built:
1993
Schools
School District:
Mercer Island
Elementary School:
Buyer To Verify
Middle School:
Islander Mid
High School:
Mercer Isl High
Interior
Appliances
Dishwasher(s), Disposal, Double Oven, Dryer(s), Microwave(s), Refrigerator(s), See Remarks, Stove(s)/Range(s), Washer(s)
Bathrooms
2 Full Bathrooms, 2 Three Quarter Bathrooms, 1 Half Bathroom
Cooling
Central A/C, Ductless, Forced Air, Heat Pump, HEPA Air Filtration, High Efficiency (Unspecified)
Fireplaces Total
2
Flooring
Hardwood, See Remarks, Stone, Travertine, Carpet
Heating
Ductless, Forced Air, Heat Pump, High Efficiency (Unspecified), Hot Water Recirc Pump
Exterior
Construction Materials
Stucco
Exterior Features
Stucco
Parking Features
Detached Garage
Parking Spots
3
Roof
Flat
Security Features
Fully Fenced, Security System
Financial
Tax Year
2025
Taxes
$60,176
Map
Contact Us
Mortgage Calculator
Community
- Address3639 W Mercer Way Mercer Island WA
- SubdivisionWestside
- CityMercer Island
- CountyKing
- Zip Code98040
Property Summary
- Located in the Westside subdivision, 3639 W Mercer Way Mercer Island WA is a Single Family for sale in Mercer Island, WA, 98040. It is listed for $9,995,000 and features 4 beds, 5 baths, and has approximately 5,040 square feet of living space, and was originally constructed in 1993. The current price per square foot is $1,983. The average price per square foot for Single Family listings in Mercer Island is $1,157. The average listing price for Single Family in Mercer Island is $5,192,019. To schedule a showing of MLS#nwm2442125 at 3639 W Mercer Way in Mercer Island, WA, contact your HomeSmart One Realty agent at 425-218-4178.
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Listing courtesy of Coldwell Banker BainThe database information herein is provided from and copyrighted by the Northwest Multiple Listing Service (NWMLS). NWMLS data may not be reproduced or redistributed and is only for people viewing this site. All information provided is deemed reliable but is not guaranteed and should be independently verified. All properties are subject to prior sale or withdrawal. This site was last updated Nov-10-2025 8:02:36 am. © 2025 NWMLS.
3639 W Mercer Way
Mercer Island, WA