5330 Butterworth Road Mercer Island, WA $ 19,500,000
5330 Butterworth Road
$ 19,500,000
Recently Listed New Construction
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5330 Butterworth Road

Mercer Island, WA, 98040
$ 19,500,000
Bedrooms5 Baths5.1 Sq 7,840

Monthly Estimate*

$ 120,065

Listed by Windermere Real Estate/East
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Single Family Home for sale in Mercer Island, WA

for $19,500,000 with 5 bedrooms and 5 full baths, 1 half bath. This 7,840 square foot home was built in 2026 on a lot size of 0.5601.

A rare Lake Washington waterfront offering on Mercer Island, this newly constructed home is built by MacPherson Construction & Design and resides on over 121 feet of sun-filled, no-bank shoreline along Lake Washington. Defined by exceptional natural light and sweeping, uninterrupted lake views, the home offers a seamless connection between indoor living and the water, delivering a rare experience of waterfront living. Thoughtfully designed for both entertaining and everyday living, it features vaulted wood ceilings, textured stone accents, a chef’s kitchen with butler’s pantry, a large wine room, and a stand-behind bar.A two-tier theater room, spacious bonus room, private office, four ensuite bedrooms, and a spa-inspired primary suite with an expansive walk-in closet elevate everyday comfort and livability. Heated covered outdoor living extends the seasons with a lake-view patio, spa, fire pit, seating area, and putting green, completing this exceptional waterfront retreat.

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Single Family Active

Price

$ 19,500,000

Bedrooms

5

Full Bath

5

Half Bath

1

Property Type

Single Family

Taxes

$ 54,491

Style

2 Stories w/Bsmnt

Lot Size

0.5601

Year Built

2026

Town/City

Mercer Island

County/Region

King

MLS | Web ID

2502833

Features
General
Living Area 7840
Sewer Sewer Connected
Heating 90%+ High Efficiency Forced Air Heat Pump Radiant Recirculation Pump
Cooling 90%+ High Efficiency Central Air Forced Air Heat Pump
Possession Closing
Roof Flat Metal
Appliances Dishwasher Disposal Double Oven Dryer Microwave Refrigerator Stove(s)/Range(s) Washer
HOA Fee 0
Security Features Partially Fenced Security Gate Security System
Year Built 2026
View Lake Mountains Pond
Topography Level
Levels Two
Property Subtype Single Family Residence
Tax Year 2026
Waterfront Features Lake No Bank
County King
New Construction Y
Property Type Residential
HOA N
Attached Garage Y
Subdivision Name Eastside
Facing Direction East
Garage Y/N Y
Green Energy Generation Solar
Full Baths 2
Special Listing Conditions None
Status Active
Directions Navigation will get you there.
High School Mercer Isl High
City Mercer Island
Entry Location Main
Senior Community Y/N N
High School District Mercer Island
MLS Area 510 - Mercer Island
Lot Size Units Square Feet
Lot Size Square Feet 24396
Carport Y/N N
Listing Terms Cash Conventional
Elementary School Island Park Elem
Land Lease Y/N N
Tax Annual Amount 54491
Middle/Junior High School Islander Mid
Public Remarks A rare Lake Washington waterfront offering on Mercer Island this newly constructed home is built by MacPherson Construction & Design and resides on over 121 feet of sun-filled no-bank shoreline along
Virtual Tour https://my.matterport.com/show/?m=oyw6EfGg2e2&mls=1
Structure Type House
Building Area Units Square Feet
Builder Name MacPherson Construction & Design
Standard Status Active
Water Company City of Mercer Island
Property Style 18 - 2 Stories w/Bsmnt
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Interior
Interior Amenities Second Kitchen Bath Off Primary Dbl Pane/Storm Window Dining Room Fireplace Fireplace (Primary Bedroom) French Doors High Tech Cabling Pantry Security System SMART Wired Sprinkler System Vaulted Ceil
Basement Finished
Flooring Ceramic Tile Engineered Hardwood Carpet
Total Fireplaces 2
Fireplace Features Gas
Air Conditioning Y/N Y
Heating Y/N Y
Fireplace Y/N Y
Half Baths 1
3/4 Baths 3
Total Bedrooms 5
Main Level Bedrooms 0
Total Baths 6
Water Heater Type Gas
Water Heater Location 2 in Mechanical Room
Fireplaces Upper 1
Fireplaces Main 1
Power Production Type Electric Natural Gas Solar (Unspecified)
Baths Three Quarter Garage 0
Baths Three Quarter Lower 0
Baths Three Quarter Main 0
Baths Three Quarter Upper 3
Bedrooms Lower 0
Bedrooms Upper 5
Baths Half Upper 0
Baths Half Main 1
Baths Half Lower 0
Baths Half Garage 0
Baths Full Upper 2
Baths Full Main 0
Baths Full Lower 0
Baths Full Garage 0
Bathrooms 4.75
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Exterior
Exterior Amenities Stone Stucco Wood
Vegetation Garden Space
Parking Features Attached Garage
Lot Features Paved
Water Source Public
Total Parking 4
Inclusions Dishwasher(s) Double Oven Dryer(s) Garbage Disposal Microwave(s) Refrigerator(s) Stove(s)/Range(s) Washer(s)
Foundation Details Poured Concrete
Spa Y
Building Area Total 7840
Lot Size Acres 0.5601
Waterfront Y/N Y
Covered Spaces 4
Irrigation Water Rights Y/N Y
Waterfront Footage 121.81
Site Features Cable TV Deck Dock Dog Run Electric Car Charging Fenced-Partially Gated Entry High Speed Internet Hot Tub/Spa Irrigation Outdoor Fireplace Patio Sprinkler System
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Internal Only
OriginalMLSID NWM2502833
Street Number 1 5330
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* Excluded Features
List By
Amy A. Dedoyard

Listing Agent

Windermere Real Estate/East

Broker

Affordability Calculator

$124,606
Per Month
96%
4%
0%
Monthly Principal & Interest
$120,065
Monthly Property Taxes
$4,541
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
1854335 Elementary School
1853914 Middle School
Mercer Isl High High School
Pricing History
DatePricePrice ChangeDescription
4/14/2026$19,500,000 Listed Price

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5330 Butterworth Road, Mercer Island, WA, 98040 is a Single Family Home for sale at $19,500,000 with 7,840 sqft and a lot size of 0.5601. 5330 Butterworth Road has 5 bedrooms, 5.1 baths, and was built in 2026. The property's zip code is 98040 which is in Mercer Island, WA