For Sale300d on market
8260 Avalon Drive
Mercer Island, WA, 98040 • 98040 • King County
$9,590,000
$1779/sqft
-$300,000 since Apr 1, 2026
Down payment assistance available
5Beds
6Baths
5,390Sqft
0.42 acLot
2006Built
Property DNA
Waterfront Property
Low Bank, Lake
Lake Views
Lake
2 Stories w/Bsmnt Style
Built 2006 · 20 years of history
Mercer Island
98040
Outdoor Living
Bath Off Primary · Built-In Vacuum · Dbl Pane/Storm Window · Dining Room · Fireplace · High Tech Cabling · Jetted Tub · Security System · Sprinkler System · Walk-In Closet(s) · Wet Bar · Wine/Beverage Refrigerator
3 Fireplaces
Gas · Wood Burning · Lower Level: 1 · Main Level: 2 · Fireplace
Garage
Driveway · Attached Garage
Ceramic Tile & Hardwood & Stone Floors
Quality flooring throughout
This home is getting attention
Listed 300 days ago · 1,851 views · 42 saves
Market activity
Demand and pricing signals for this listing
1,851 views
People checking out this listing
42 saves
Buyers have saved this home
300 days on market
Established listing
$1,779/sqft
Price per square foot
About this home
Single Family · Built 2006
Experience superlative Northwest living in this sophisticated and joyous Mercer Island waterfront home. Delight in unobstructed stunning Mt. Rainier views from the private dock and airy and light five bedroom, five bath residence. This classic Cape Cod stunner offers soaring ceilings, hickory hardwood flooring throughout, a chef’s kitchen and three fireplaces. An unusually large, flat lawn and multiple entertaining decks invite seamless indoor-outdoor living for all to enjoy along with 69 feet of rare, low-bank shoreline, and a covered boat slip. Located in a sought-after enclave near the Mercer Island Beach Club, this home is both a private retreat and an entertainer’s dream.
Standout features identified
Our analysis highlights three fireplaces, covered boat slip, and private dock as key attractions of this home.
Estimated monthly payment
Based on current rates
$59,716/month
Principal & Interest$46,929
Property Tax$9,590
Insurance$3,197
Down payment20% ($1,918,000)
3%50%
Est. 6.19% rate · 30yr fixed · $7,672,000 loan
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At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built2006
HeatingFireplace, Forced Air, Heat Pump, Recirculation Pump, Electric, Natural Gas
CoolingHeat Pump
Parking3 Attached Garage spaces
Lot0.42 Acres
Days on Zillow300 Days
Price/sqft$1,779
Property
Home typeSingle Family
Sub-typeSingle Family Residence
Style2 Stories w/Bsmnt
ConditionVery Good
Year built2006
Stories2
Systems
HeatingFireplace, Forced Air, Heat Pump, Recirculation Pump, Electric, Natural Gas
CoolingHeat Pump
RoofComposition
ConstructionWood Siding
Water / SewerPublic, Company: City of Mercer Island / Sewer Connected, Company: City of Mercer Island
Parking & Outdoor
ParkingDriveway, Attached Garage
BasementDaylight,Finished
Fireplaces3
Lot0.42 Acres
Location & Tax
Neighborhood98040
Annual tax$39,629
Parcel3124059037
Bathrooms & Fees
Full baths4
Features & details
14 categories of property features
Interior Features
Interior
Bath Off Primary
Central Vacuum
Dining Room
High Tech Cabling
Appliances
Dishwasher
Disposal
Double Oven
Dryer
Microwave
Refrigerator
Stove(s)/Range(s)
Tankless Water Heater
Washer
Dishwasher(s)
Dryer(s)
Garbage Disposal
Microwave(s)
Refrigerator(s)
Washer(s)
Flooring
Ceramic Tile
Hardwood
Stone
Heating
Fireplace
Forced Air
Heat Pump
Recirculation Pump
Electric
Natural Gas
Cooling
Heat Pump
Fireplace
Gas
Wood Burning
Lower Level: 1
Main Level: 2
Fireplace
Windows
Dbl Pane/Storm Window
Exterior Features
Parking
Driveway
Attached Garage
Construction
Wood Siding
Patio & Porch
Bath Off Primary
Built-In Vacuum
Dbl Pane/Storm Window
Dining Room
Fireplace
High Tech Cabling
Jetted Tub
Security System
Sprinkler System
Walk-In Closet(s)
Wet Bar
Wine/Beverage Refrigerator
Lot Features
Paved
Cable TV
Deck
Dock
Electric Car Charging
Fenced-Partially
Gas Available
High Speed Internet
Irrigation
Moorage
Patio
Sprinkler System
Security
Security System
Views
Lake
Utilities
Xfinity
Xfinity
Room details
21 rooms detailed
Master Bedroom
SecondBedroom
SecondBedroom
SecondBedroom
SecondBedroom
LowerBathroom Full
SecondListing insights
Market data and value estimates
StatusFor Sale
Days on market300
Tax rate0.82%
Price/sqft$1779
On marketJun 9, 2025
PostedJun 11, 2025
Last sold$5,150,000
MLS statusActive
MLS updatedApr 1, 2026
Tour days9
Views1,851
Favorites42
How are the schools in Mercer Island?
3 schools rated nearby
Location
Mercer Island, WA, 98040
Price history
4 events
DateEventPrice$/sqftSource
Apr 1, 2026Price Change$9,590,000$1,779NWMLS as distributed by MLS GRID
Jun 11, 2025Listed For Sale$9,890,000$1,835NWMLS as distributed by MLS GRID
May 14, 2007Sold$5,150,000$955NWMLS as distributed by MLS GRID
May 13, 2005Sold$1,775,000$329Public Record
Price Change$9,590,000
Apr 1, 2026•$1,779/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$9,890,000
Jun 11, 2025•$1,835/sqft•NWMLS as distributed by MLS GRID
Sold$5,150,000
May 14, 2007•$955/sqft•NWMLS as distributed by MLS GRID
Sold$1,775,000
May 13, 2005•$329/sqft•Public Record
Tax history
21 years of records
YearTax paidAssessed value
Apr 7, 2024$39,629$6,053,000
Apr 7, 2023$39,131$5,685,000
Apr 7, 2022$38,987$6,358,000
Apr 7, 2021$34,986$4,752,000
Apr 7, 2020$33,580$4,196,000
Apr 7, 2019$35,814$4,535,000
Apr 7, 2018$34,986$4,657,000
Apr 7, 2017$38,988$4,495,000
Apr 7, 2016$30,493$4,182,000
Apr 7, 2015$30,493$3,788,000
Apr 7, 2014$30,493$3,487,000
Apr 7, 2013$30,493$3,799,000
Apr 7, 2012—$3,503,000
Apr 7, 2011—$3,679,000
Apr 7, 2010—$3,966,000
Apr 7, 2009—$3,966,000
Apr 7, 2007—$2,349,000
Apr 7, 2006—$1,136,000
Apr 7, 2005—$1,035,000
Apr 7, 2001$8,899$931,000
Apr 7, 2000$8,201$777,000
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 07:03:29 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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