Sold292d on market
9740 SE 40th Street
Mercer Island, WA, 98040 • 98040 • King County
$2,385,000
$825/sqft
4Beds
4Baths
2,891Sqft
0.2 acLot
1963Built
Property DNA
Territorial Views
Territorial
Modern Style
Built 1963 · 63 years of history
Mercerwood
98040
Outdoor Living
Bath Off Primary · Double Pane/Storm Window · Dining Room · Fireplace · Vaulted Ceiling(s) · Walk-In Closet(s) · Walk-In Pantry
2 Fireplaces
Wood Burning · Lower Level: 1 · Main Level: 1 · Fireplace
2-Car Garage
Driveway · Attached Garage
Ceramic Tile & Engineered Hardwood Floors
Quality flooring throughout
Market activity
Demand and pricing signals for this listing
19 views
People checking out this listing
292 days on market
Established listing
$825/sqft
Price per square foot
About this home
Single Family · Built 1963
Welcome to a home that doesn’t just check boxes—it sets the standard. Stunning Mid-Century remodel by renowned boutique builder Seascape Homes. Located in desirable Mercerwood, this home blends timeless architecture with high-end modern updates. Vaulted ceilings, floor-to-ceiling stone fireplace + open-concept living/dining. Reimagined kitchen with custom cabinetry flows into great room. ’24-’25 renovation includes new primary suite, expanded baths, new windows, flooring, laundry + reconfigured lower level with 2 beds, 2 baths, office, + family room. Designer lighting, expansive deck, fenced grassy yard + 2-car garage complete the package. Just minutes from I-90, the Shoreclub, top-rated Mercer Island schools, parks, restaurants + retail
Standout features identified
Our analysis highlights floor-to-ceiling stone fireplace, reimagined kitchen, and expanded baths as key attractions of this home.
Estimated monthly payment
Based on current rates
$14,851/month
Principal & Interest$11,671
Property Tax$2,385
Insurance$795
Down payment20% ($477,000)
3%50%
Est. 6.19% rate · 30yr fixed · $1,908,000 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built1963
HeatingFireplace, Forced Air, Wall Unit(s), Oil
CoolingNone
Parking2 Attached Garage spaces
Lot8,603 sqft
Property
Home typeSingle Family
Sub-typeSingle Family Residence
StyleModern
Year built1963
Stories1
Systems
HeatingFireplace, Forced Air, Wall Unit(s), Oil
CoolingNone
RoofComposition
ConstructionBrick, Wood Siding
Water / SewerPublic, Company: City of Mercer Island / Sewer Connected, Company: City of Mercer Island
Parking & Outdoor
ParkingDriveway, Attached Garage
Garage2 spaces
BasementDaylight,Finished
Fireplaces2
Lot8,603 sqft
Location & Tax
Neighborhood98040
ZoningR-8.4
Annual tax$9,403
Parcel2655500169
Bathrooms & Fees
Full baths2
Features & details
13 categories of property features
Interior Features
Interior
Bath Off Primary
Dining Room
Appliances
Dishwasher(s)
Disposal
Dryer(s)
Refrigerator(s)
Stove(s)/Range(s)
Washer(s)
Garbage Disposal
Water Heater Location: Basement
Flooring
Ceramic Tile
Engineered Hardwood
Carpet
Heating
Fireplace
Forced Air
Wall Unit(s)
Oil
Cooling
None
Fireplace
Wood Burning
Lower Level: 1
Main Level: 1
Fireplace
Windows
Double Pane/Storm Window
Exterior Features
Parking
Driveway
Attached Garage
Construction
Brick
Wood Siding
Patio & Porch
Bath Off Primary
Double Pane/Storm Window
Dining Room
Fireplace
Vaulted Ceiling(s)
Walk-In Closet(s)
Walk-In Pantry
Lot Features
Paved
Cable TV
Deck
Fenced-Fully
Patio
Views
Territorial
Other Equipment
Leased Equipment: None
Room details
16 rooms detailed
Master Bedroom
MainBedroom
LowerBedroom
LowerBedroom
MainBathroom Full
MainBathroom Full
MainListing insights
Market data and value estimates
StatusSold
Days on market292
Est. value$2,382,800
Est. rent$5,927/mo
Tax rate0.82%
Price/sqft$825
On marketMay 19, 2025
PostedApr 4, 2025
Last sold$2,385,000
MLS statusSold
MLS updatedJul 19, 2025
Tour days6
Views19
How are the schools in Mercer Island?
3 schools rated nearby
Location
Mercer Island, WA, 98040
Price history
10 events
DateEventPrice$/sqftSource
Jun 18, 2025Sold$2,385,000$825NWMLS as distributed by MLS GRID
Jun 2, 2025Pending Sale$2,498,000$864NWMLS as distributed by MLS GRID
Apr 23, 2025Price Change$2,498,000$864NWMLS as distributed by MLS GRID
Apr 4, 2025Listed For Sale$2,598,000$899NWMLS as distributed by MLS GRID
Oct 25, 2024Sold$1,650,000$571NWMLS as distributed by MLS GRID
Sep 24, 2024Pending Sale$1,699,000$588NWMLS as distributed by MLS GRID
Aug 7, 2024Listed For Sale$1,699,000$588NWMLS as distributed by MLS GRID
May 26, 2016Sold$960,800$332NWMLS as distributed by MLS GRID
Apr 19, 2016Pending Sale$900,000$311Windermere Real Estate/Mercer Island
Apr 8, 2016Listed For Sale$900,000$311Windermere Real Estate/Mercer Island
Sold$2,385,000
Jun 18, 2025•$825/sqft•NWMLS as distributed by MLS GRID
Pending Sale$2,498,000
Jun 2, 2025•$864/sqft•NWMLS as distributed by MLS GRID
Price Change$2,498,000
Apr 23, 2025•$864/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$2,598,000
Apr 4, 2025•$899/sqft•NWMLS as distributed by MLS GRID
Sold$1,650,000
Oct 25, 2024•$571/sqft•NWMLS as distributed by MLS GRID
Pending Sale$1,699,000
Sep 24, 2024•$588/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$1,699,000
Aug 7, 2024•$588/sqft•NWMLS as distributed by MLS GRID
Sold$960,800
May 26, 2016•$332/sqft•NWMLS as distributed by MLS GRID
Pending Sale$900,000
Apr 19, 2016•$311/sqft•Windermere Real Estate/Mercer Island
Listed For Sale$900,000
Apr 8, 2016•$311/sqft•Windermere Real Estate/Mercer Island
Tax history
21 years of records
YearTax paidAssessed value
Apr 7, 2024$9,521$1,452,000
Apr 7, 2023$9,403$1,364,000
Apr 7, 2022$9,372$1,526,000
Apr 7, 2021$8,414$1,141,000
Apr 7, 2020$8,080$1,008,000
Apr 7, 2019$7,910$1,000,000
Apr 7, 2018$7,171$953,000
Apr 7, 2017$7,470$860,000
Apr 7, 2016$5,659$774,000
Apr 7, 2015$5,659$701,000
Apr 7, 2014$5,659$646,000
Apr 7, 2013$5,659$580,000
Apr 7, 2012—$535,000
Apr 7, 2011—$529,000
Apr 7, 2010—$572,000
Apr 7, 2009—$572,000
Apr 7, 2007—$515,000
Apr 7, 2006—$478,000
Apr 7, 2005—$436,000
Apr 7, 2001$3,884$406,000
Apr 7, 2000$3,887$368,000
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 16:33:54 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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