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$4,250,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 4 Beds
  • 2 Full Baths
  • 3 Partial Baths
  • 4,863 Sq. Ft.
  • Updated 1 hour ago

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Open House: 2:00 PM - 4:00 PM

Saturday 2/28 2:00 PM - 4:00 PM

8260 SE 31st Street,Mercer Island, WA 98040

8260 SE 31st StreetMercer IslandWA98040

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  • Open House: 1:00 PM - 3:00 PM

    Sunday 3/1 1:00 PM - 3:00 PM

    8260 SE 31st Street,Mercer Island, WA 98040
    8260 SE 31st StreetMercer IslandWA98040
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A chosen position within the award winning neighborhood of Summerwell. 16 homes custom designed to align with nature and connect to their sites. This 4,863 sf home envelopes its surroundings while channeling the energy that striking design illuminates. Floating walnut stairs, soaring spaces, a silhouette of symmetry in design, the stalwarts of stellar architecture that doubles as art as McCullough design does so seamlessly. Beyond its pedigree, a well designed floorplan offers the flexibility for life. Ease of entertaining on the main floor that opens on both sides to the outdoors where stone fireplaces, year round spaces and verdant backdrops merge. A guest suite/office reside in tandem with the three quarter bath. Upstairs the primary suite, two additional suites, laundry and bonus room provide privacy and interaction. The lower level is host to a theatre/flex room, mud room, oversized gym (extra 239 sf additionally), half bath and three car garage with EV charging outlet. Thoughtfulness, purpose and timeless finishes are a daily reminder to how special this home is. Adjacent to parks, trails and downtown MI shops, restaurants and freeways for the centered lifestyle that MI offers.

Full Property Details for 8260 SE 31st St

General

  • Price: $4,250,000
  • HOA FEE: $83/month
  • Taxes: $26,855 (2025)
  • Status: Active
  • Type: Single Family
  • Source: NWMLS
  • MLS ID: 2485131
  • Updated: 2/26/2026
  • Added to Site: 1 day(s) ago

Interior

  • Interior Features: Bath Off Primary, Ceiling Fan(s), Dbl Pane/Storm Window, Dining Room, Fireplace, High Tech Cabling, Sprinkler System, Vaulted Ceilings, Walk-In Closet(s), Walk-In Pantry, Water Heater, Wine/Beverage Refrigerator, Wired for Generator
  • Fireplace: Yes
  • Number of Fireplaces: 2
  • Fireplace(s): Gas
  • Appliances: Dishwasher(s), Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
  • Flooring: Ceramic Tile, Engineered Hardwood, Carpet

Rooms

Bathrooms

  • Total Bathrooms: 5
  • Full Bathrooms: 2
  • 3/4 Bathrooms: 2
  • Half Bathrooms: 1
  • Upper - Full Baths: 2
  • Upper - 3/4 Baths: 1
  • Main Floor Baths: 1
  • Main - 3/4 Baths: 1
  • Lower - 1/2 Baths: 1

Bedrooms

  • Total Bedrooms: 4
  • Bedrooms Upper: 3
  • Bedrooms Main: 1

Additional Information

  • Amenities: Cable TV, Deck, Electric Car Charging, Fenced-Partially, Gas Available, High Speed Internet, Outdoor Fireplace, Patio, Sprinkler System
  • Security/Safety: Partially Fenced

Parking

  • Garage: Yes
  • Attached garage: Yes
  • Covered Spaces: 3
  • Parking Features: Attached Garage

Location

  • Area: 510 - Mercer Island
  • County: King
  • Subdivision: North End
  • Building Name: Coval Long Plat
  • Driving Directions: I-90 to Island Crest Way. Head S on Island Crest Way. E on SE 28th. Left into Summerwell.

School Information

  • High School District: Mercer Island
  • Elementary School: Buyer To Verify
  • Middle School: Islander Mid
  • High School: Buyer To Verify

Community

  • Association: Yes
  • Assoc. Fees Include: Common Area Maintenance

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Central A/C, Forced Air
  • Heating Type: 90%+ High Efficiency, Forced Air, Hot Water Recirc Pump, Radiant
  • Water Heater: Gas

Utilities

  • Sewer: Sewer Connected
  • Water: Public

Structural Information

  • Architectural Style: Modern
  • Structure Type: House
  • Exterior Const.: Cement/Concrete, Wood
  • Basement Desc.: Finished
  • Roof: Built-Up
  • Entry Location: Main
  • Square Feet: 4,863
  • Finished Total: 4,863 Sq. Ft.
  • Year Built: 2018

Lot Features

  • Property View: Territorial
  • Lot Size (Acres): 0.2506
  • Lot Size (Sq. Ft.): 10,918
  • Lot Size Source: KCAR
  • Topography: Level, Terraces
  • Lot Features: Curbs, Dead End Street, Paved, Sidewalk
  • Trees/Vegetation: Garden Space

Financial Considerations

  • Association Fee: $83
  • Assoc Fee Freq.: Monthly
  • Tax Amount: $26,855
  • Tax Year: 2025
  • Terms: Cash, Conventional

Disclosures and Reports

  • Special Conditions: None
  • Inclusions: Dishwasher(s), Dryer(s), Garbage Disposal, Leased Equipment, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
  • Property ID: 1793900120
  • Lot Number: 12
Buyer's Brokerage Compensation: Contact Listing Agent
Not binding unless confirmed by separate agreement among applicable parties.

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— 8260 SE 31st St —

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Schools serving 8260 SE 31st St

School District:Mercer Island School District
NameGradesDistance
Northwood Elementary School, Mercer Island, WA
4030 86th Avenue Southeast, Mercer Island, WA 98040
K-50.7 mi
Islander Middle School
8225 Southeast 72nd Street, Mercer Island, WA 98040
6-83.1 mi
Mercer Island High School
9100 Southeast 42nd Street, Mercer Island, WA 98040
9-120.8 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 8260 SE 31st St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
2/26/2026
Listed
$4,250,000
27.32%
MLS
10/30/2018
Sold
$3,338,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 8260 SE 31st St

Year
Property Taxes
Change
Tax Assessment
Change
2024
$26,855
1%
$4,101,000
-5%
2024
$26,520
—
$4,308,000
—
2022
$26,422
16%
$4,308,000
34%
2021
$22,757
—
$3,220,000
13%
2021
$22,757
2%
$2,843,000
1%
2020
$22,245
7%
$2,816,000
2%
2019
$20,717
204%
$2,757,000
252%
2018
$6,809
—
$784,000
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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8260 SE 31st Street, Mercer Island, WA 98040 (MLS# 2485131) is a Single Family property with 4 bedrooms, 2 full bathrooms and 3 partial bathrooms. 8260 SE 31st Street is currently listed for $4,250,000 and was received on February 26, 2026. This property is listed by Boyd and Trull from our Bellevue Office.Want to learn more about 8260 SE 31st Street? Do you have questions about finding other Single Family real estate for sale in Mercer Island? You can browse all Mercer Island real estate or contact a Coldwell Banker agent to request more information.

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