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$2,499,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 4 Beds
  • 4 Full Baths
  • 1 Partial Bath
  • 4,114 Sq. Ft.
  • Updated 4 hours ago

Next open house:

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

Saturday 10/10 2:00 PM - 4:00 PM

4429 Forest Avenue SE,Mercer Island, WA 98040

4429 Forest Avenue SEMercer IslandWA98040

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Join us at 4429 Forest Avenue SE on:

  • Open House: 11:00 AM - 1:00 PM

    Sunday 10/11 11:00 AM - 1:00 PM

    4429 Forest Avenue SE,Mercer Island, WA 98040
    4429 Forest Avenue SEMercer IslandWA98040
  • Open House: 11:00 AM - 1:00 PM

    Wednesday 10/14 11:00 AM - 1:00 PM

    4429 Forest Avenue SE,Mercer Island, WA 98040
    4429 Forest Avenue SEMercer IslandWA98040

Listed by Rachel Schindler | Realogics Sotheby's Int'l Rlty | (206) 922-3846

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Set along one of Mercer Island's most coveted streets, this Northwest Contemporary feels grown from its own hillside, where sweeping west facing views of Lake Washington, Seattle, and the mountains beyond become part of every room. Built in 1960 and thoughtfully expanded, it carries the intricate woodwork of its era with the ease and light of a home designed for today. Pass the detached garage and follow the lush landscaping toward a facade of expansive windows. Inside, soaring vaulted ceilings draw in the light and that luminous western view in one sweep. A sheltered space off the entry offers a home office or reading room, while the formal dining room frames the water and mountains beautifully. A generous fireplace anchors the living and dining rooms, and the updated kitchen blends seamlessly with the home's warm, natural palette. A later addition brought two serene bedrooms, each with its own en-suite bath. Downstairs, an additional bedroom and bath, a spacious rec room, and the primary suite await, the latter a true retreat with exceptional woodwork and a private sauna. In all, 4,040 square feet of finished living space span four bedrooms and four and a half baths. Outside, over 20,000 square feet of land wraps the home in gardens and open sky, with the lake and city glowing at sunset. A large shed offers quiet possibility for a gardener or a detached office. This is a home that lives in harmony with nature, an invitation to slow down and savor the light.

Full Property Details for 4429 Forest Ave SE

General

  • Price: $2,499,000
  • Taxes: $19,565 (2026)
  • Status: Active
  • Type: Single Family
  • Source: NWMLS
  • MLS ID: 2592604
  • Updated: Today (10/9/2026)
  • Added to Site: Today

Interior

  • Interior Features: Bath Off Primary, Dining Room, Fireplace, Hot Tub/Spa, Pantry, Sauna, Vaulted Ceiling(s)
  • Fireplace: Yes
  • Number of Fireplaces: 2
  • Fireplace(s): See Remarks, Wood Burning
  • Appliances: Dishwasher(s), Garbage Disposal, Refrigerator(s), Stove(s)/Range(s)
  • Flooring: Bamboo/Cork, Ceramic Tile, Hardwood

Rooms

Bathrooms

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

Bedrooms

  • Total Bedrooms: 4
  • Bedrooms Lower: 2
  • Bedrooms Main: 2

Additional Information

  • Amenities: Cable TV, Deck, Fenced-Partially, Gas Available, Hot Tub/Spa, Outbuildings
  • Spa: Yes
  • Security/Safety: Partially Fenced

Parking

  • Carports: Yes
  • Covered Spaces: 2
  • Uncovered Spaces: 4
  • Parking Features: Detached Carport, Driveway

Location

  • Area: 510 - Mercer Island
  • County: King
  • Subdivision: Mercer Island
  • Driving Directions: GPS is accurate
  • Direction Faces: East

School Information

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

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Central Air
  • Heating Type: Forced Air

Utilities

  • Sewer: Sewer Connected
  • Water: Public

Structural Information

  • Architectural Style: Contemporary
  • Structure Type: House
  • Exterior Const.: Wood
  • Basement Desc.: Daylight, Finished
  • Foundation: Poured Concrete
  • Roof: Shake
  • Square Feet: 4,114
  • Finished Total: 4,114 Sq. Ft.
  • Year Built: 1960
  • Property Condition: Good

Lot Features

  • Property View: City, Lake, Mountains, Territorial
  • Lot Size (Acres): 0.4751
  • Lot Size (Sq. Ft.): 20,697
  • Lot Size Source: King County
  • Topography: Level, Partial Slope
  • Lot Features: Corner Lot, Dead End Street, Paved
  • Trees/Vegetation: Garden Space

Financial Considerations

  • Tax Amount: $19,565
  • Tax Year: 2026
  • Terms: Cash, Conventional, FHA, VA Loan

Disclosures and Reports

  • Special Conditions: See Remarks
  • Inclusions: Dishwasher(s), Garbage Disposal, Refrigerator(s), Stove(s)/Range(s)
  • Property ID: 5482700196

Listed by Rachel Schindler | Realogics Sotheby's Int'l Rlty | (206) 922-3846

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Schools serving 4429 Forest Ave SE

School District:Mercer Island School District
NameGradesDistance
West Mercer Elementary School
4141 81st Avenue Southeast, Mercer Island, WA 98040
K-50.3 mi
Northwood Elementary School, Mercer Island, WA
4030 86th Avenue Southeast, Mercer Island, WA 98040
K-50.6 mi
Islander Middle School
8225 Southeast 72nd Street, Mercer Island, WA 98040
6-82 mi
Mercer Island High School
9100 Southeast 42nd Street, Mercer Island, WA 98040
9-120.7 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 4429 Forest Ave SE Get Price Alerts and Save Property

Date
Details
Price
Change
Source
10/09/2026
Listed
$2,499,000
316.5%
MLS
12/28/1989
Sold
$600,000
—
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 4429 Forest Ave SE

Year
Property Taxes
Change
Tax Assessment
Change
2026
$18,858
10%
$2,893,000
11%
2024
$17,145
1%
$2,617,000
-5%
2024
$16,930
—
$2,749,000
—
2022
$16,868
16%
$2,749,000
34%
2021
$14,535
—
$2,055,000
13%
2021
$14,535
-4%
$1,815,000
-5%
2020
$15,117
7%
$1,913,000
2%
2019
$14,080
-4%
$1,873,000
11%
2018
$14,666
18%
$1,690,000
11%
2017
$12,384
7%
$1,521,000
10%
2016
$11,523
4%
$1,378,000
9%
2015
$11,105
—
$1,269,000
4%
2014
$11,157
—
$1,221,000
—
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 Rachel Schindler | Realogics Sotheby's Int'l Rlty | (206) 922-3846

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Listed by Diane Tien | Realogics Sotheby's Int'l Rlty
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4429 Forest Avenue SE, Mercer Island, WA 98040 (MLS# 2592604) is a Single Family property with 4 bedrooms, 4 full bathrooms and 1 partial bathroom. 4429 Forest Avenue SE is currently listed for $2,499,000 and was received on October 09, 2026. Want to learn more about 4429 Forest Avenue SE? 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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