8456 Se 40th St
Mercer Island, WA 98040
Map
- 5 beds
- 5 baths
- 4,270 sqft
- 11,930 sqft lot
- $932 per sqft
- 2025 build
Modern masterpiece on a large lot with no HOA, just a 2-minutes walk to Northwood Elementary. Open-concept design features a chef’s kitchen with gourmet island, solid wood European-style cabinets, and Wolf/Sub-Zero appliances. Formal living and dining rooms, private office, and covered patio with Infratech heaters and fireplace offer year-round comfort. Wide-plank European oak floors, Andersen windows, and 8-ft solid wood doors add elegance throughout. Five ensuite bedrooms include a main-floor guest suite and a luxurious primary with spa-like bath and massive walk-in closet. Huge RV Parking on side. Timeless style in a prime Mercer Island location.
Last checked:
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Checking…
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Last updated Jun 5, 2025
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MLS# 2383172 —
The Building
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Year Built:2025
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Year Built:2025
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Year Built Source:Public Records
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New Construction:true
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New Construction:Completed
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Estimated Completion Date:2025-05-30
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Building Information:Built On Lot
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Structure Type:House
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Architectural Style:Northwest Contemporary
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Roof:Composition
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Foundation Details:Poured Concrete
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Basement:None
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Security Features:Partially Fenced
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Exterior Features:Cement Planked, Wood
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Levels:Two
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Building Area Total:4270
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Building Area Units:Square Feet
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Calculated SqFt:4270
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SqFt Source:Builder Plans
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Construction Materials:Cement Plank, Wood
Interior
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Interior Features:Ceramic Tile, Double Pane/Storm Window, Dining Room, Fireplace, Walk-In Pantry
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Living Area:4270
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Flooring:Ceramic Tile, Engineered Hardwood
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Fireplace:true
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Fireplaces Total:1
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Fireplace Features:Electric
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Main Level Fireplace:1
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Finished SqFt:4270
Financial & Terms
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Possession:Closing
Location
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Latitude:47.5748
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Longitude:-122.224596
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Directions:Take I-90 Exit 8 for E Mercer Way, Turn left onto 100th Ave SE/E Mercer Way, Turn right onto SE 36th St , Turn right onto 86th Ave SE, the house is on the left.
The Property
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Property Type:Residential
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Property Subtype:Single Family Residence
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Property Condition:Very Good
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Parcel Number:5021900790
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Lot Features:Corner Lot, Sidewalk
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Lot Size Units:Square Feet
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Lot Size Acres:0.2739
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Lot Size SqFt:11930
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Lot Size Source:Public Record
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Zoning Jurisdiction:City
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Land Lease:false
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View:Territorial
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View:true
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Waterfront:false
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Topography:Level
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Vegetation:Brush, Garden Space
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Additional Parcels Description:5021900790
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Irrigation Water Rights:false
Listing Agent
- Contact info:
- Agent phone:
- (206) 525-5235
- Office phone:
- (206) 525-5235
Taxes
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Tax Year:2025
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Tax Annual Amount:8971
Beds
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Bedrooms Total:5
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Bedrooms Possible:5
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Bedrooms Upper Level:4
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Main Level Bedrooms:1
Baths
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Total Baths:5
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Baths:4.25
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Full Baths:3
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Three Quarter Baths:1
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Half Baths:1
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Main Level Bathrooms:2
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Main level Three Quarter Bath:1
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Main Half Baths:1
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Upper Level Full Baths:3
The Listing
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Special Listing Conditions:None
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Virtual Tour Unbranded:
Heating & Cooling
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Cooling:true
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Heating:true
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Cooling:90%+ High Efficiency, Central A/C, Forced Air
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Heating:90%+ High Efficiency, Forced Air
Utilities
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Water Source:Public
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Sewer:Sewer Connected
Appliances
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Appliances:Dishwasher(s), Disposal, Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
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Appliances Included:Dishwasher(s),Dryer(s),Garbage Disposal,Microwave(s),Refrigerator(s),Stove(s)/Range(s),Washer(s)
Schools
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High School District:Mercer Island
The Community
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Subdivision Name:Madrona Crest
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Senior Community:false
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Association:false
Parking
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Parking Total:2
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Parking Features:Attached Garage
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Open Parking:false
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Garage:true
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Garage Spaces:2
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Attached Garage:true
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Garage SqFt:500
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Carport:false
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Covered Spaces:2
Listing courtesy of NWMLS / Kelly Right RE of Seattle LLC
Monthly cost estimate
Asking price
$3,980,000
| Expense | Monthly cost |
|---|---|
|
Mortgage
This calculator is intended for planning and education purposes only. It relies on assumptions and information provided by you regarding your goals, expectations and financial situation, and should not be used as your sole source of information. The output of the tool is not a loan offer or solicitation, nor is it financial or legal advice. |
$21,311
|
| Taxes | $747 |
| Insurance | $1,094 |
| Utilities | $156 See report |
| Total | $23,308/mo.* |
| *This is an estimate |
Walk Score®
Provided by WalkScore® Inc.
Walk Score is the most well-known measure of walkability for any address. It is based on the distance to a variety of nearby services and pedestrian friendliness. Walk Scores range from 0 (Car-Dependent) to 100 (Walker’s Paradise).
Bike Score®
Provided by WalkScore® Inc.
Bike Score evaluates a location's bikeability. It is calculated by measuring bike infrastructure, hills, destinations and road connectivity, and the number of bike commuters. Bike Scores range from 0 (Somewhat Bikeable) to 100 (Biker’s Paradise).
Transit Score®
Provided by WalkScore® Inc.
Transit Score measures a location's access to public transit. It is based on nearby transit routes frequency, type of route (bus, rail, etc.), and distance to the nearest stop on the route. Transit Scores range from 0 (Minimal Transit) to 100 (Rider’s Paradise).
Soundscore™
Provided by HowLoud
Soundscore is an overall score that accounts for traffic, airport activity, and local sources. A Soundscore rating is a number between 50 (very loud) and 100 (very quiet).
Air Pollution Index
Provided by ClearlyEnergy
The air pollution index is calculated by county or urban area using the past three years data. The index ranks the county or urban area on a scale of 0 (best) - 100 (worst) across the United Sates.
Max Internet Speed
Provided by BroadbandNow®
This is the maximum advertised internet speed available for this home. Under 10 Mbps is in the slower range, and anything above 30 Mbps is considered fast. For heavier internet users, some plans allow for more than 100 Mbps.
Sale history
| Date | Event | Source | Price | % Change |
|---|---|---|---|---|
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5/29/25
May 29, 2025
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Listed / Active | NWMLS | $3,980,000 | 187.4% (141.6% / YR) |
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2/1/24
Feb 1, 2024
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NWMLS | $1,385,000 | ||
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1/4/24
Jan 4, 2024
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NWMLS | $1,385,000 |
