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.
Sold
Listed by: Keller Williams Rlty Bellevue • Michael Nix
Bought with: Windermere RE Greenwood
$8,000,000
5044 Butterworth Road, Mercer Island, WA 98040
6beds
9,640sqft
Single Family Residence
Built in 1983
0.3 Acres Lot
$8,648,500 Zestimate®
$830/sqft
$7,265 Estimated rent
Home value
$8,648,500
$7.52M - $9.95M
$7,265/mo
Zestimate® history
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List your homeWhat's special
Low-bank lake washington shorelineTimeless lake viewsGrand atriumEast-facing exposure
Zillow last checked:
Listing updated:
Listed by:
Michael Nix,
Keller Williams Rlty Bellevue,
Scott Nicholson,
Keller Williams Rlty Bellevue
Bought with:
Michelle Markwood, 47019
Windermere RE Greenwood
Source: NWMLS as distributed by MLS GRID,MLS#: 2438780
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 8
- Full bathrooms: 4
- 3/4 bathrooms: 2
- 1/2 bathrooms: 2
- Main level bathrooms: 4
- Main level bedrooms: 3
Primary bedroom
- Level: Main
Bedroom
- Level: Lower
Bedroom
- Level: Lower
Bedroom
- Level: Lower
Bedroom
- Level: Main
Bathroom full
- Level: Main
Bathroom full
- Level: Main
Bathroom full
- Level: Main
Bathroom full
- Level: Lower
Bathroom three quarter
- Level: Lower
Bathroom three quarter
- Level: Lower
Other
- Level: Lower
Other
- Level: Lower
Other
- Level: Main
Bonus room
- Level: Lower
Dining room
- Level: Main
Entry hall
- Level: Main
Kitchen with eating space
- Level: Main
Kitchen without eating space
- Level: Lower
Living room
- Level: Main
Rec room
- Level: Lower
Utility room
- Level: Main
Heating
- Fireplace, Forced Air, Heat Pump, Electric, Natural Gas
Cooling
- Forced Air, Heat Pump
Appliances
- Included: Dishwasher(s), Disposal, Double Oven, Microwave(s), Stove(s)/Range(s), Garbage Disposal, Water Heater: Gas, Water Heater Location: Downstairs
Features
- Flooring: Hardwood, Vinyl Plank
- Basement: Bath/Stubbed
- Number of fireplaces: 2
- Fireplace features: Electric, Wood Burning, Lower Level: 1, Main Level: 1, Fireplace
Interior area
- Total structure area: 9,640
- Total interior livable area: 9,640 sqft
Property
Parking
- Total spaces: 4
- Parking features: Attached Garage
- Has attached garage: Yes
- Covered spaces: 4
Features
- Levels: One
- Stories: 1
- Entry location: Main
- Patio & porch: Fireplace, Indoor Pool, Sprinkler System, Vaulted Ceiling(s), Water Heater
- Pool features: Indoor
- Has view: Yes
- View description: Lake
- Has water view: Yes
- Water view: Lake
- Waterfront features: Low Bank, Bulkhead, Lake, No Bank
- Frontage length: Waterfront Ft: 89
Lot
- Size: 0.3 Acres
- Features: Dead End Street, Paved, Deck, Dock, Fenced-Partially, Gas Available, High Speed Internet, Moorage, Patio, Sprinkler System
- Topography: Level
- Residential vegetation: Garden Space
Details
- Parcel number: 1924059029
- Zoning: R15
- Zoning description: Jurisdiction: City
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: 1 Story w/Bsmnt.
- Property subtype: Single Family Residence
Materials
- Stucco, Wood Siding, Wood Products
- Foundation: Poured Concrete
- Roof: Composition
Condition
- Year built: 1983
- Major remodel year: 2009
Utilities & green energy
- Electric: Company: PSE
- Sewer: Sewer Connected, Company: Mercer Island
- Water: Public, Company: Mercer Island
Community & HOA
Community
- Subdivision: Mercer Island
Location
- Region: Mercer Island
Financial & listing details
- Price per square foot: $830/sqft
- Tax assessed value: $8,458,000
- Annual tax amount: $49,896
- Date on market: 11/22/2025
- Cumulative days on market: 242 days
- Inclusions: Dishwasher(s), Double Oven, Garbage Disposal, Microwave(s), Stove(s)/Range(s)
Price history
| Date | Event | Price |
|---|---|---|
| 12/31/2025 | Sold | $8,000,000-14.9%$830/sqft |
Source:  NWMLS as distributed by MLS GRID #2438780 Report a problem | ||
| 10/26/2025 | Pending sale | $9,398,000$975/sqft |
Source: NWMLS as distributed by MLS GRID #2438780 Report a problem | ||
| 9/30/2025 | Listed for sale | $9,398,000+101.3%$975/sqft |
Source: NWMLS as distributed by MLS GRID #2438780 Report a problem | ||
| 6/24/2014 | Sold | $4,668,000$484/sqft |
Source: NWMLS as distributed by MLS GRID #603237 Report a problem | ||
| 4/9/2014 | Pending sale | $4,668,000$484/sqft |
Source: Coldwell Banker Bain #603237 Report a problem | ||
| 3/20/2014 | Price change | $4,668,000-4.5%$484/sqft |
Source: Coldwell Banker Bain #603237 Report a problem | ||
| 10/31/2012 | Listed for sale | $4,888,000+69.7%$507/sqft |
Source: Bellevue #419844 Report a problem | ||
| 6/18/2004 | Sold | $2,880,000+11.7%$299/sqft |
Source: NWMLS as distributed by MLS GRID #24025368 Report a problem | ||
| 8/21/2003 | Sold | $2,577,920+30.5%$267/sqft |
Source: Public Record Report a problem | ||
| 10/15/1996 | Sold | $1,975,000$205/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $55,091 +10.4% | $8,458,000 +11% |
| 2024 | $49,896 +1.3% | $7,622,000 +6.5% |
| 2023 | $49,264 +0.4% | $7,158,000 -10.6% |
| 2022 | $49,082 +11.4% | $8,005,000 +33.8% |
| 2021 | $44,044 +4.2% | $5,983,000 +13.3% |
| 2020 | $42,274 -9% | $5,283,000 -10.2% |
| 2019 | $46,438 +2.3% | $5,881,000 -2.6% |
| 2018 | $45,372 -10.3% | $6,040,000 +3.6% |
| 2017 | $50,564 +27.9% | $5,830,000 +7.5% |
| 2016 | $39,540 | $5,424,000 +10.4% |
| 2015 | $39,540 | $4,912,000 +8.6% |
| 2014 | $39,540 | $4,522,000 +5% |
| 2013 | $39,540 | $4,305,000 +8.5% |
| 2012 | -- | $3,969,000 -11.5% |
| 2011 | -- | $4,485,000 +25.5% |
| 2010 | -- | $3,573,000 |
| 2009 | -- | $3,573,000 +21.6% |
| 2007 | -- | $2,938,000 +2% |
| 2006 | -- | $2,880,000 -7.2% |
| 2005 | -- | $3,103,000 +23.3% |
| 2001 | $24,041 +8.7% | $2,516,000 +20% |
| 2000 | $22,122 | $2,097,000 |
Find assessor info on the county website
Neighborhood: 98040
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Nearby schools
GreatSchools rating
- 9/10Island Park Elementary SchoolGrades: K-5Distance: 0.7 mi
- 9/10Islander Middle SchoolGrades: 6-8Distance: 1.6 mi
- 10/10Mercer Island High SchoolGrades: 9-12Distance: 1.1 mi
Schools provided by the listing agent
- Middle: Islander Mid
- High: Mercer Isl High
Source: NWMLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$8,648,500
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Estimated market value
$8,648,500
- Washington
- King County
- Mercer Island
- 98040
- 5044 Butterworth Road
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