Property Details
4526 89th Avenue SE
Mercer Island, WA 98040
$3,599,950
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About This Home
Imagine building your dream home in one of Mercer Island's most desirable settings, where quiet tree-lined streets, waterfront parks, and a strong sense of community create an exceptional lifestyle. Tucked away on a peaceful cul-de-sac just moments from Ellis Pond, this rare homesite offers the opportunity to build a brand-new JayMarc Custom Home in a location that perfectly balances tranquility with convenience. Planned for this property is The Marcello, JayMarc's thoughtfully designed 4,000-square-foot floor plan featuring a professionally curated interior package with timeless, neutral finishes and elevated craftsmanship throughout. Designed for both entertaining and everyday living, the main level centers around a chef-inspired kitchen, expansive gathering spaces, and a private office or guest suite with an en-suite bath. Upstairs, the luxurious primary retreat offers heated floors, a soaking tub, designer tile shower, and spacious walk-in closet. A generous bonus room with kitchenette and an additional en-suite bedroom provide flexibility for guests, recreation, or multigenerational living. Located within the award-winning Mercer Island School District and just minutes from parks, trails, shopping, dining, and I-90 access, this is a rare opportunity to enjoy the best of island living while partnering with one of the Pacific Northwest's premier builders. Contact us for details regarding the home design, curated selections, construction timeline, and purchase structure.
Property Details
Property Information
Property Type
Residential
Subtype
Single Family Residence
Status
Active
County
King
Neighborhood
Allview Heights
Listed
Jun 18, 2026
Structure Type
House
New Construction
Yes — JayMarc Homes LLC.
Parcel Number
0191100225
Interior Features
Bedrooms
5
Bathrooms
4.0
Half Baths
1
Living Area
4,021 sq ft
Basement
None
Entry Level
Main
Interior Features
Second Kitchen, Bath Off Primary, Dbl Pane/Storm Window, Dining Room, Fireplace, French Doors, High Tech Cabling, Pantry, Vaulted Ceiling(s), Walk-In Closet(s), Water Heater
Exterior & Lot
Lot Size
0.23 sqft
Year Built
2026
Exterior Materials
Cement Plank, Metal/Vinyl, Wood
Parking
Attached Garage
Sewer
Sewer Connected
Water Source
Public
Lot Features
Curbs, Paved
Exterior Features
Cement Planked, Metal/Vinyl, Wood, Wood Products
Community & Access
Directions
From I-90, take the Island Crest Way exit and head south. Turn left onto SE 47th Street, then left onto 89th Ave SE. Continue to the property on the right in the Ellis Pond neighborhood.
Location
City
Mercer Island
County
King
Coordinates
47.56469, -122.21985
Schools
School District
Mercer Island
Elementary School
Island Park Elem
Middle School
Islander Mid
High School
Mercer Isl High
Additional Information
New Construction
Yes
Builder
JayMarc Homes LLC.
Tax Year
2026
Possession
Array
Inclusions
Dishwasher(s),Double Oven,Dryer(s),Microwave(s),Refrigerator(s),Stove(s)/Range(s),Washer(s)
Mortgage Calculator
Estimated Monthly Payment
$0
Down Payment
$0
Loan Amount
$0
Provided by Beyond Real Estate, LLC
Based on information submitted to the MLS GRID as of June 23, 2026 3:10 PM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. 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.
IDX information is provided exclusively for consumers’ personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Copyright 2026 NWMLS. All rights reserved.
IDX information is provided exclusively for consumers’ personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Copyright 2026 NWMLS. All rights reserved.
