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Sold Closed December 31, 2025
$8,000,000
6 Bedrooms
6.5 Bathrooms
9,640 Sqft House
Waterfront
Built 1983
13,068 Sqft Lot
4-Car Garage
SALE HISTORY
List price was $9,398,000
It took 27 days to go pending.
Then 66 days to close at $8,000,000
Closed at $830/SQFT.
Iconic Mercer Island Waterfront! Set on 89’ of low-bank Lake Washington shoreline, along the coveted Butterworth Rd, this partially renovated home presents a rare framework to create a signature waterfront masterpiece. Private 95’ seaplane capable dock, 54’ indoor lap pool, and a grand atrium. Embrace East-facing exposure with panoramic water, sunrise and moonrise views. Existing updates provide a head start to utilize this canvas to bring your vision to fruition. Implement your creativity while enjoying seamless indoor & outdoor living with timeless lake views. Premier location with top-tier schools, parks, and the best of the PNW. A rare chance to shape a custom waterfront estate in one of Mercer Island’s most desired enclaves.
Offer Review
No offer review date was specified
Listing source NWMLS MLS #
2438780
Listed by
Michael Nix, Keller Williams Rlty Bellevue
Scott Nicholson, Keller Williams Rlty Bellevue
Buyer's broker
Michelle Markwood, Windermere RE Greenwood
Contact our
Mercer Island Waterfront
Real Estate Lead
John L. Scott
Phone...
Bedroom & Bathroom Layout
MAIN
BDRM
BDRM
BDRM
FULL
BATH
FULL
BATH
FULL
BATH
½
BATH
LOWER
BDRM
BDRM
BDRM
FULL
BATH
¾
BATH
¾
BATH
½
BATH
Property History
Dec 31, 2025
Sold
$8,000,000
NWMLS #2438780 Annualized 4.8% / yr
Nov 21, 2025
Went Pending
$9,398,000
NWMLS #2438780
Oct 26, 2025
Went Pending Inspection
$9,398,000
NWMLS #2438780
Sep 29, 2025
Listed
$9,398,000
NWMLS #2438780
Aug 15, 2025
Listed
$9,398,000
NWMLS #2421231
Jun 23, 2014
Sold
$4,668,000
NWMLS #603237 Annualized 4.9% / yr
Jun 17, 2004
Sold
$2,880,000
NWMLS #24025368
More
Listing Details
  • Sale Price
    $8,000,000
  • Closing Date
    December 31, 2025
  • Last List Price
    $9,398,000
  • Original Price
    Same
  • List Date
    September 29, 2025
  • Pending Date
    October 26, 2025
  • Days to go Pending
    27 days
  • $/sqft (Total)
    $830/sqft
  • $/sqft (Finished)
    $830/sqft
  • Listing Source
  • MLS Number
    2438780
  • Listing Broker
    Michael Nix
  • Listing Office
    Keller Williams Rlty Bellevue
  • Buyer's Broker
    Michelle Markwood
  • Buyer Broker's Firm
    Windermere RE Greenwood
Monthly Payment Estimate
  • Principal and Interest
    $41,937 / month
  • Property Taxes
    $4,158 / month
  • Homeowners Insurance
    $1,346 / month
  • TOTAL
    $47,441 / month

  • based on 20% down
    ($1,600,000)
  • and a
    6.85% Interest Rate
  • About:
    All calculations are estimates only and provided by Mainview LLC. Actual amounts will vary.
House Details
  • Sqft (Total)
    9,640 sqft
  • Sqft (Finished)
    9,640 sqft
  • Sqft (Unfinished)
    None
  • Property Type
    House
  • Sub Type
    1 Story + Basement
  • Bedrooms
    6 Bedrooms
  • Bathrooms
    6.5 Bathrooms
  • Lot
    13,068 sqft Lot
  • Lot Size Source
    King County Records
  • Lot #
    Unspecified
  • Project
    Unspecified
  • Total Stories
    2 stories
  • Basement
    Roughed In
  • Sqft Source
    King County Records
  • Pool
    Indoor
Property Tax Info
  • 2025 Property Taxes
    $49,896 / year
  • No Senior Exemption
Public Parcel Data & Maps
Schools
  • School District
    Mercer Island
  • Elementary
    Buyer To Verify
  • Middle
    Islander Mid
  • High School
    Mercer Isl High
Waterfront
  • Waterfront
    Yes
  • Type
    Low Bank
    Bulkhead
    Lake
    No Bank
  • Frontage
    89 Feet
HOA
  • HOA Dues
    Unspecified
  • Fees Assessed
    Unspecified
  • HOA Dues Include
    Unspecified
  • HOA Contact
    Unspecified
  • Management Contact
    Unspecified
Parking
  • Covered
    4-Car
  • Types
    Attached Garage
  • Has Garage
    Yes
  • Nbr of Assigned Spaces
    4
Views
  • Lake
    Mountain(s)
Construction
  • Year Built
    1983
  • Home Builder
    Unspecified
Cooling
  • Includes
    Central A/C
    Forced Air
    Heat Pump
Heating
  • Includes
    Forced Air
    Heat Pump
Interior
  • Flooring
    Hardwood
    Vinyl Plank
  • Features
    Fireplace
    Indoor Pool
    Sprinkler System
    Vaulted Ceiling(s)
    Water Heater
Property
  • Lot Features
    Dead End Street
    Paved
  • Site Features
    Deck
    Dock
    Fenced-Partially
    Gas Available
    High Speed Internet
    Moorage
    Patio
    Sprinkler System
Appliances
  • Included
    Dishwasher(s)
    Disposal
    Double Oven
    Microwave(s)
    Stove(s)/Range(s)
Terms
  • Bank Owned (REO)
    No
Utilities
  • Energy
    Electric
    Natural Gas
  • Sewer
    Sewer Connected
  • Water Source
    Public
Additional Info
  • Waterfront
    Yes
  • Air Conditioning (A/C)
    Yes
  • Buyer Broker's Compensation
    2%
  • MLS Area #
    Area 510
  • Number of Photos
    37
  • Last Modification Time
    Wednesday, December 31, 2025 3:22 PM
  • System Listing ID
    5487942
Update Info
  • Closed
    2025-12-31 15:34:25
  • Pending Or Ctg
    2025-11-21 09:39:34
  • First For Sale
    2025-09-29 23:05:54
Listing details based on information submitted to the MLS GRID as of Wednesday, December 31, 2025 3:22 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.
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Sold December 31, 2025
$8,000,000   $9,398,000
6 BR    6.5 BA    9,640 SQFT  
NWMLS #2438780. Michael Nix, Keller Williams Rlty Bellevue
Map
 
Listing information is provided by the listing agent except as follows: BuilderB indicates that our system has grouped this listing under a home builder name that doesn't match the name provided by the listing broker. DevelopmentD indicates that our system has grouped this listing under a development name that doesn't match the name provided by the listing broker.