18 Holly Lane Mercer Island WA 98040 MLS #NWM2486288
18 Holly Lane
Mercer Island, WA, 98040
$8,999,880
Listing Provided Courtesy of Windermere Real Estate/EastCruise home to a legacy estate on Mercer Island’s coveted Gold Coast—137± ft of private, no-bank Lake Washington frontage on the island’s prized west shore. Designed in 1974 for effortless entertaining, this custom five bedroom residence spans nearly 5,200± sf, centered around an updated kitchen that flows seamlessly to expansive indoor/outdoor gathering spaces. The primary suite enjoys tranquil views of Lake Washington, Seward Park, the Seattle skyline & Olympic Mtns, w/ private deck, two walk-in closets & luxe five piece bath. Upstairs offers two additional west-facing bedrooms & large bonus/media room. Panoramic sunsets linger to nearly 10pm—simply the pinnacle of MI waterfront living.
Current real estate data for Single Family in Mercer Island as of Mar 04, 2026
50
Single Family Listed
74
Avg DOM
1,175
Avg $ / SqFt
$4,855,705
Avg List Price
Property Details
Price:
$8,999,880
MLS #:
NWM2486288
Status:
Active
Beds:
6
Baths:
5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Westside
Neighborhood:
510mercerisland
Listed Date:
Mar 3, 2026
Finished Sq Ft:
5,163
Total Sq Ft:
5,163
Lot Size:
25,134 sqft / 0.58 acres (approx)
Year Built:
1974
Schools
School District:
Mercer Island
Elementary School:
West Mercer Elem
Middle School:
Islander Mid
High School:
Mercer Isl High
Interior
Appliances
Dishwasher(s), Disposal, Double Oven, Dryer(s), Microwave(s), Refrigerator(s), Washer(s)
Bathrooms
2 Full Bathrooms, 2 Three Quarter Bathrooms, 1 Half Bathroom
Cooling
Heat Pump
Fireplaces Total
3
Flooring
Hardwood, Travertine, Carpet
Heating
Forced Air, Heat Pump
Exterior
Construction Materials
Wood
Exterior Features
Wood
Parking Features
Attached Garage
Parking Spots
2
Roof
Shake
Security Features
Security System
Financial
Tax Year
2024
Taxes
$68,019
Map
Contact Us
Mortgage Calculator
Community
- Address18 Holly Lane Mercer Island WA
- SubdivisionWestside
- CityMercer Island
- CountyKing
- Zip Code98040
Property Summary
- Located in the Westside subdivision, 18 Holly Lane Mercer Island WA is a Single Family for sale in Mercer Island, WA, 98040. It is listed for $8,999,880 and features 6 beds, 5 baths, and has approximately 5,163 square feet of living space, and was originally constructed in 1974. The current price per square foot is $1,743. The average price per square foot for Single Family listings in Mercer Island is $1,175. The average listing price for Single Family in Mercer Island is $4,855,705. To schedule a showing of MLS#nwm2486288 at 18 Holly Lane in Mercer Island, WA, contact your HomeSmart One Realty agent at 425-218-4178.
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Courtesy of Windermere Real Estate/East. Disclaimer: Based on information submitted to the MLS GRID as of Mar-04-2026 1:29:53 pm. All data is obtained from various sources and may not have been verified by 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.Copyright 2026. All rights reserved.
18 Holly Lane
Mercer Island, WA