Sold909d on market
4242 85th Avenue SE
Mercer Island, WA, 98040 • 98040 • King County
$2,300,000
$642/sqft
5Beds
3Baths
3,580Sqft
0.38 acLot
1957Built
Property DNA
Traditional Style
Built 1957 · 69 years of history
Library
98040
Outdoor Living
Ceramic Tile · Hardwood · Wall to Wall Carpet · Bath Off Primary · Double Pane/Storm Window · Dining Room · French Doors · Security System · Skylight(s) · Sprinkler System · Vaulted Ceiling(s) · Wired for Generator · Fireplace · Water Heater
3 Fireplaces
Gas · Lower Level: 1 · Main Level: 2 · Fireplace
2-Car Garage
Attached Garage
Ceramic Tile & Hardwood & Stone Floors
Quality flooring throughout
This home is in high demand
Listed 909 days ago · 4 views · Top 2% likely to sell soon
Market activity
Demand and pricing signals for this listing
4 views
People checking out this listing
909 days on market
Established listing
$642/sqft
Price per square foot
Selling Soon Prediction
Very HighThis home ranks in the top 2% of listings most likely to go under contract soon, based on market activity and demand signals.
Likelihood score
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About this home
Single Family · Built 1957
Centrally located island retreat in the Library neighborhood! This mid-century modern Mercer Island residence includes 3,580 square feet with 5 bedrooms, 2.75 bathrooms plus formal living & dining/family great rooms with cedar planked vaulted ceilings, library, gourmet kitchen w/bistro bar, basement den & work-out room. Features naturally light-filled rooms with refinished hardwood floors, French doors, built-ins, 2 car garage & so much more. Entertaining indoors and outside is effortless with generous patios, open flowing floor plan & ample space nestled all within a 16,500 square foot lush setting w/water features & mature plantings. Efficient heat pump, three gas fireplaces & gas-fired tankless hot water provides comfort year-round.
Standout features identified
Our analysis highlights basement den, gourmet kitchen, and open flowing floor plan as key attractions of this home.
Estimated monthly payment
Based on current rates
$14,322/month
Principal & Interest$11,255
Property Tax$2,300
Insurance$767
Down payment20% ($460,000)
3%50%
Est. 6.19% rate · 30yr fixed · $1,840,000 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built1957
HeatingFireplace, Forced Air, Heat Pump, Insert, Electric, Natural Gas
CoolingForced Air
Parking2 Attached Garage spaces
Lot0.38 Acres
Offer Review Date2023-09-29
Property
Home typeSingle Family
Sub-typeSingle Family Residence
StyleTraditional
ConditionVery Good
Year built1957
Systems
HeatingFireplace, Forced Air, Heat Pump, Insert, Electric, Natural Gas
CoolingForced Air
RoofComposition
ConstructionBrick, Wood Siding
Water / SewerPublic, Company: City of Mercer Island / Sewer Connected, Company: City of Mercer Island
Parking & Outdoor
ParkingAttached Garage
Garage2 spaces
BasementFinished
Fireplaces3
Lot0.38 Acres
Location & Tax
Neighborhood98040
Annual tax$12,301
Parcel1824059112
Bathrooms & Fees
Full baths2
Features & details
14 categories of property features
Interior Features
Interior
Bath Off Primary
Dining Room
Appliances
Dishwasher_
Dryer
GarbageDisposal_
Microwave_
Refrigerator_
StoveRange_
Washer
Dishwasher
Garbage Disposal
Microwave
Refrigerator
StoveRange
Water Heater: Gas - Tankless
Water Heater Location: Basement Closet
Flooring
Ceramic Tile
Hardwood
Stone
Vinyl Plank
Carpet
Heating
Fireplace
Forced Air
Heat Pump
Insert
Electric
Natural Gas
Cooling
Forced Air
Fireplace
Gas
Lower Level: 1
Main Level: 2
Fireplace
Windows
Double Pane/Storm Window
Skylight(s)
Exterior Features
Parking
Attached Garage
Construction
Brick
Wood Siding
Patio & Porch
Ceramic Tile
Hardwood
Wall to Wall Carpet
Bath Off Primary
Double Pane/Storm Window
Dining Room
French Doors
Security System
Skylight(s)
Sprinkler System
Vaulted Ceiling(s)
Wired for Generator
Fireplace
Water Heater
Lot Features
Cul-De-Sac
Dead End Street
Paved
Cable TV
Deck
Fenced-Fully
Fenced-Partially
Gas Available
High Speed Internet
Patio
Sprinkler System
Security
Security System
Utilities
Xfinity
Xfinity
Other Equipment
Wired for Generator
Room details
15 rooms detailed
Master Bedroom
MainBedroom
LowerBedroom
LowerBedroom
MainBedroom
MainBathroom Full
MainListing insights
Market data and value estimates
StatusSold
Days on market909
Est. value$2,400,900
Est. rent$6,435/mo
Tax rate0.82%
Price/sqft$642
On marketNov 13, 2023
PostedSep 23, 2023
Last sold$2,300,000
MLS statusSold
MLS updatedNov 20, 2023
Tour days6
Views4
How are the schools in Mercer Island?
3 schools rated nearby
Location
Mercer Island, WA, 98040
Price history
4 events
DateEventPrice$/sqftSource
Oct 10, 2023Sold$2,300,000$642NWMLS as distributed by MLS GRID
Sep 30, 2023Pending Sale$2,295,000$641NWMLS as distributed by MLS GRID
Sep 23, 2023Listed For Sale$2,295,000$641NWMLS as distributed by MLS GRID
Oct 8, 2003Sold$644,950$180NWMLS as distributed by MLS GRID
Sold$2,300,000
Oct 10, 2023•$642/sqft•NWMLS as distributed by MLS GRID
Pending Sale$2,295,000
Sep 30, 2023•$641/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$2,295,000
Sep 23, 2023•$641/sqft•NWMLS as distributed by MLS GRID
Sold$644,950
Oct 8, 2003•$180/sqft•NWMLS as distributed by MLS GRID
Tax history
21 years of records
YearTax paidAssessed value
Apr 7, 2024$12,695$1,937,000
Apr 7, 2023$12,348$1,792,000
Apr 7, 2022$12,301$2,004,000
Apr 7, 2021$11,041$1,498,000
Apr 7, 2020$10,600$1,323,000
Apr 7, 2019$10,421$1,318,000
Apr 7, 2018$9,702$1,290,000
Apr 7, 2017$9,334$1,075,000
Apr 7, 2016$7,076$968,000
Apr 7, 2015$7,076$877,000
Apr 7, 2014$7,076$808,000
Apr 7, 2013$7,076$681,000
Apr 7, 2012—$628,000
Apr 7, 2011—$620,000
Apr 7, 2010—$670,000
Apr 7, 2009—$670,000
Apr 7, 2007—$638,000
Apr 7, 2006—$592,000
Apr 7, 2005—$539,000
Apr 7, 2001$4,199$439,000
Apr 7, 2000$4,203$398,000
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 11:43:42 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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