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$3,600,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 4 Beds
  • 2 Full Baths
  • 2 Partial Baths
  • 4,404 Sq. Ft.
  • Updated 9 hours ago

Listed by Margo E. Mansfield | Windermere Real Estate/East | (425) 822-5100

No photo available

A private arboretum wraps this impeccably maintained home in year round beauty and color. Inviting and supremely livable not to mention phenomenal indoor to outdoor entertaining. Two sets of French doors open to two patios, one for afternoon sun worshiping and another to catch the morning rays or as respite from the hot afternoon sun. Lovely two story entry leads to sunlit rooms all with landscaped views. Main floor living spaces flow gracefully from one room to the next. Generous sized primary suite with soaring ceilings and bath with custom double vanity, furniture grade storage cabinet, sauna, heated flrs, marble, Robern medicine chests. Two conveniently located staircases lead to the 2nd level and all 4 bedrooms, 3 baths, laundry room and expansive bonus rm with enormous storage closet. Abundant built-in display cabinets/shelves throughout to display art, dishes and other treasures. Two offices plus large kitchen desk. Organized mud room and Costco size storage lead into the home from the immense 3 car garage. Large fully fenced area with garden shed could be home to a dog or...? Raised bed garden for herbs, veggies, flowers. Rose garden. Upstairs and downstairs furnaces and A/C provide ultimate comfort. Wired for sound. The close proximity of Homestead Park and West Mercer Elementary (WA's #1 elementary school) expands your recreation options. This enchanting property, oh so convenient to Mercer Island's city center, freeways, and light rail is truly a secret sanctuary.

Full Property Details for 4140 W Mercer

General

  • Price: $3,600,000
  • Taxes: $20,478 (2026)
  • Status: Active
  • Type: Single Family
  • Source: NWMLS
  • MLS ID: 2551922
  • Updated: 7/10/2026
  • Added to Site: 1 day(s) ago

Interior

  • Interior Features: Bath Off Primary, Built-In Vacuum, Dbl Pane/Storm Window, Dining Room, Fireplace, French Doors, High Tech Cabling, Sauna, Security System, Skylight(s), Vaulted Ceiling(s), Walk-In Closet(s), Wine/Beverage Refrigerator
  • Fireplace: Yes
  • Number of Fireplaces: 2
  • Fireplace(s): Gas, Wood Burning
  • Appliances: Dishwasher(s), Double Oven, Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
  • Flooring: Ceramic Tile, Hardwood, Marble, Travertine, Carpet

Rooms

Bathrooms

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

Bedrooms

  • Total Bedrooms: 4
  • Bedrooms Upper: 4

Additional Information

  • Amenities: Fenced-Partially, Gas Available, High Speed Internet, Outbuildings, Patio, Sprinkler System
  • Security/Safety: Partially Fenced, Security System

Parking

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

Location

  • Area: 510 - Mercer Island
  • County: King
  • Subdivision: Westside
  • Driving Directions: GPS will get you here.
  • Direction Faces: West

School Information

  • High School District: Mercer Island
  • Elementary School: West Mercer Elem
  • Middle School: Islander Mid
  • High School: Mercer Isl High

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Central Air, Forced Air
  • Heating Type: Forced Air, High Efficiency (Unspecified), Recirculation Pump

Utilities

  • Sewer: Sewer Connected
  • Water: Public

Structural Information

  • Structure Type: House
  • Exterior Const.: Brick, Stucco, Wood
  • Basement Desc.: None
  • Foundation: Poured Concrete
  • Roof: Composition
  • Entry Location: Main
  • Square Feet: 4,404
  • Finished Total: 4,404 Sq. Ft.
  • Year Built: 1990

Lot Features

  • Lot Size (Acres): 0.4984
  • Lot Size (Sq. Ft.): 21,710
  • Lot Size Source: King Cty Records
  • Topography: Level
  • Lot Features: Paved
  • Trees/Vegetation: Garden Space

Financial Considerations

  • Tax Amount: $20,478.88
  • Tax Year: 2026
  • Terms: Cash, Conventional

Disclosures and Reports

  • Special Conditions: None
  • Inclusions: Dishwasher(s), Double Oven, Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
  • Property ID: 3623500184

Listed by Margo E. Mansfield | Windermere Real Estate/East | (425) 822-5100

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Schools serving 4140 W Mercer

School District:Mercer Island School District
NameGradesDistance
West Mercer Elementary School
4141 81st Avenue Southeast, Mercer Island, WA 98040
K-50.1 mi
Northwood Elementary School, Mercer Island, WA
4030 86th Avenue Southeast, Mercer Island, WA 98040
K-50.5 mi
Islander Middle School
8225 Southeast 72nd Street, Mercer Island, WA 98040
6-82.4 mi
Mercer Island High School
9100 Southeast 42nd Street, Mercer Island, WA 98040
9-120.6 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 4140 W Mercer Get Price Alerts and Save Property

Date
Details
Price
Change
Source
7/09/2026
Listed
$3,600,000
207.18%
MLS
8/27/2003
Sold
$1,171,950
—
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 4140 W Mercer

Year
Property Taxes
Change
Tax Assessment
Change
2026
$20,479
10%
$3,142,000
11%
2024
$18,617
-1%
$2,842,000
-7%
2024
$18,732
—
$3,042,000
—
2022
$18,663
11%
$3,042,000
34%
2021
$16,790
—
$2,274,000
8%
2021
$16,790
4%
$2,097,000
3%
2020
$16,104
7%
$2,038,000
2%
2019
$14,996
-4%
$1,995,000
11%
2018
$15,620
15%
$1,800,000
7%
2017
$13,637
8%
$1,675,000
10%
2016
$12,684
4%
$1,517,000
9%
2015
$12,224
11%
$1,397,000
16%
2014
$11,048
—
$1,209,000
—
View All
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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Listed by Margo E. Mansfield | Windermere Real Estate/East | (425) 822-5100

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4140 W Mercer, Mercer Island, WA 98040 (MLS# 2551922) is a Single Family property with 4 bedrooms, 2 full bathrooms and 2 partial bathrooms. 4140 W Mercer is currently listed for $3,600,000 and was received on July 09, 2026. Want to learn more about 4140 W Mercer? 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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