4429 Forest Avenue SE, Mercer Island, WA 98040 (MLS # 2592604)

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Listing provided courtesy of Northwest MLS; Realogics Sotheby's Int'l Rlty

PRICE $2,499,000
BEDS 4
BATHS 4.5
HOME SIZE 4,114 sqft
LOT SIZE 20,696 sqft

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.

LAST UPDATED 10/9/2026 TRACT Mercer Island
YEAR BUILT 1960 COMMUNITY Mercer Island
COUNTY King STATUS Active
PROPERTY TYPE(S) Single Family

SCHOOLS
Elementary School Buyer To Verify
Jr. High School Islander Mid
High School Mercer Isl High


ADDITIONAL DETAILS
AIR Central Air
AIR CONDITIONING Yes
APPLIANCES Dishwasher, Disposal, Refrigerator
AREA 510 - Mercer Island
BASEMENT Daylight, Finished, Yes
EXTERIOR Garden
FIREPLACE Yes
HEAT Forced Air, Natural Gas
INTERIOR Bath Off Primary, Dining Room, Fireplace, Hot Tub/Spa, Pantry, Sauna, Vaulted Ceiling(s)
LOT 0.4751 acre(s)
LOT DESCRIPTION Corner Lot, Dead End Street, Paved
MLS STATUS Active
PARKING Detached Carport, Driveway
STORIES 1
STYLE 16 - 1 Story w/Bsmnt.
SUBDIVISION Mercer Island
TAXES 19565
UTILITIES Cable Available, Sewer Connected
VIEW Yes
VIEW DESCRIPTION City, Lake, Mountain(s), Territorial
WATER Public

SATELLITE VIEW



 
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Properties with the Logo icon are courtesy of Northwest MLS.

Listings courtesy of Northwest MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of 10/11/26 2:56 AM PDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. IDX information is provided exclusively for consumers’ personal noncommercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. 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.

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