Sold96d on market
5044 Butterworth Road
Mercer Island, WA, 98040 • 98040 • King County
$8,000,000
$830/sqft
6Beds
8Baths
9,640Sqft
0.3 acLot
1983Built
Property DNA
Waterfront Property
Low Bank, Bulkhead, Lake, No Bank
Lake Views
Lake
Mercer Island
98040
Outdoor Living
Fireplace · Indoor Pool · Sprinkler System · Vaulted Ceiling(s) · Water Heater
2 Fireplaces
Electric · Wood Burning · Lower Level: 1 · Main Level: 1 · Fireplace
Garage
Attached Garage
Hardwood Floors
Quality flooring throughout
Market activity
Demand and pricing signals for this listing
41 views
People checking out this listing
1 saves
Buyers have saved this home
96 days on market
Established listing
$830/sqft
Price per square foot
About this home
Single Family · Built 1983
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.
Standout features identified
Our analysis highlights low-bank lake washington shoreline, timeless lake views, and grand atrium as key attractions of this home.
Estimated monthly payment
Based on current rates
$49,815/month
Principal & Interest$39,148
Property Tax$8,000
Insurance$2,667
Down payment20% ($1,600,000)
3%50%
Est. 6.19% rate · 30yr fixed · $6,400,000 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built1983
HeatingFireplace, Forced Air, Heat Pump, Electric, Natural Gas
CoolingForced Air, Heat Pump
Parking4 Attached Garage spaces
Lot0.30 Acres
Property
Home typeSingle Family
Sub-typeSingle Family Residence
Year built1983
Stories1
Systems
HeatingFireplace, Forced Air, Heat Pump, Electric, Natural Gas
CoolingForced Air, Heat Pump
RoofComposition
ConstructionStucco, Wood Siding, Wood Products
Water / SewerPublic, Company: Mercer Island / Sewer Connected, Company: Mercer Island
Parking & Outdoor
ParkingAttached Garage
BasementBath/Stubbed
Fireplaces2
Lot0.30 Acres
Location & Tax
Neighborhood98040
ZoningR15
Annual tax$49,896
Parcel1924059029
Bathrooms & Fees
Full baths4
Features & details
11 categories of property features
Interior Features
Appliances
Dishwasher(s)
Disposal
Double Oven
Microwave(s)
Stove(s)/Range(s)
Garbage Disposal
Water Heater: Gas
Water Heater Location: Downstairs
Flooring
Hardwood
Vinyl Plank
Heating
Fireplace
Forced Air
Heat Pump
Electric
Natural Gas
Cooling
Forced Air
Heat Pump
Fireplace
Electric
Wood Burning
Lower Level: 1
Main Level: 1
Fireplace
Exterior Features
Parking
Attached Garage
Construction
Stucco
Wood Siding
Wood Products
Patio & Porch
Fireplace
Indoor Pool
Sprinkler System
Vaulted Ceiling(s)
Water Heater
Lot Features
Dead End Street
Paved
Deck
Dock
Fenced-Partially
Gas Available
High Speed Internet
Moorage
Patio
Sprinkler System
Views
Lake
Pool Features
Indoor
Room details
25 rooms detailed
Master Bedroom
MainBedroom
LowerBedroom
LowerBedroom
LowerBedroom
MainBedroom
MainListing insights
Market data and value estimates
StatusSold
Days on market96
Est. value$8,863,100
Est. rent$6,769/mo
Tax rate0.82%
Price/sqft$830
On marketNov 23, 2025
PostedSep 30, 2025
Last sold$8,000,000
MLS statusSold
MLS updatedJan 31, 2026
Tour days6
Views41
Favorites1
How are the schools in Mercer Island?
3 schools rated nearby
Location
Mercer Island, WA, 98040
Price history
10 events
DateEventPrice$/sqftSource
Dec 31, 2025Sold$8,000,000$830NWMLS as distributed by MLS GRID
Oct 26, 2025Pending Sale$9,398,000$975NWMLS as distributed by MLS GRID
Sep 30, 2025Listed For Sale$9,398,000$975NWMLS as distributed by MLS GRID
Jun 24, 2014Sold$4,668,000$484NWMLS as distributed by MLS GRID
Apr 9, 2014Pending Sale$4,668,000$484Coldwell Banker Bain
Mar 20, 2014Price Change$4,668,000$484Coldwell Banker Bain
Oct 31, 2012Listed For Sale$4,888,000$507Bellevue
Jun 18, 2004Sold$2,880,000$299NWMLS as distributed by MLS GRID
Aug 21, 2003Sold$2,577,920$267Public Record
Oct 15, 1996Sold$1,975,000$205Public Record
Sold$8,000,000
Dec 31, 2025•$830/sqft•NWMLS as distributed by MLS GRID
Pending Sale$9,398,000
Oct 26, 2025•$975/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$9,398,000
Sep 30, 2025•$975/sqft•NWMLS as distributed by MLS GRID
Sold$4,668,000
Jun 24, 2014•$484/sqft•NWMLS as distributed by MLS GRID
Pending Sale$4,668,000
Apr 9, 2014•$484/sqft•Coldwell Banker Bain
Price Change$4,668,000
Mar 20, 2014•$484/sqft•Coldwell Banker Bain
Listed For Sale$4,888,000
Oct 31, 2012•$507/sqft•Bellevue
Sold$2,880,000
Jun 18, 2004•$299/sqft•NWMLS as distributed by MLS GRID
Sold$2,577,920
Aug 21, 2003•$267/sqft•Public Record
Sold$1,975,000
Oct 15, 1996•$205/sqft•Public Record
Tax history
21 years of records
YearTax paidAssessed value
Apr 7, 2024$49,896$7,622,000
Apr 7, 2023$49,264$7,158,000
Apr 7, 2022$49,082$8,005,000
Apr 7, 2021$44,044$5,983,000
Apr 7, 2020$42,274$5,283,000
Apr 7, 2019$46,438$5,881,000
Apr 7, 2018$45,372$6,040,000
Apr 7, 2017$50,564$5,830,000
Apr 7, 2016$39,540$5,424,000
Apr 7, 2015$39,540$4,912,000
Apr 7, 2014$39,540$4,522,000
Apr 7, 2013$39,540$4,305,000
Apr 7, 2012—$3,969,000
Apr 7, 2011—$4,485,000
Apr 7, 2010—$3,573,000
Apr 7, 2009—$3,573,000
Apr 7, 2007—$2,938,000
Apr 7, 2006—$2,880,000
Apr 7, 2005—$3,103,000
Apr 7, 2001$24,041$2,516,000
Apr 7, 2000$22,122$2,097,000
Nearby homes
Neighborhood details
Local context around this listing
Mercer Island, WA • King County
Nearby cities
AuburnBellevueBothellFederal WayKentKirklandRedmondRenton
Nearby zip codes
98040
Similar homes
Based on information submitted to the MLS GRID as of 2026-04-07 11:38:45 PDT. 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. [Click here for more information](/mls-disclaimers/#39)
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