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$3,549,000
115 Days On Site

5243 Forest Avenue SE
Mercer Island, WA 98040

For Sale|Single Family Residence|Active
5
Beds
2
Full Baths
3
Partial Baths
5,190
SqFt
$684
/SqFt
1987
Built
Subdivision:
Mid Island
County:
King
Days online/new listing status Today's Date - OriginatingSystemModificationTimestamp + CumulativeDaysOnMarket = CDOM.
Courtesy of NWMLS
Listing courtesy of Lily Koshiro of South Lake Associates Inc.

Due to the health concerns created by Coronavirus we are offering personal 1-1 online video walkthough tours where possible.

5243 Forest Avenue SE5243 Forest Avenue SE5243 Forest Avenue SE5243 Forest Avenue SE
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This custom-built home presents a rare opportunity for those seeking both luxury & comfort. Nestled on over 1/3 acre in a prime mid-island location, this residence spans over 5,100 sq ft w/grand westerly views that allow you to enjoy extraordinary sights, incl holiday ships, the Blue Angels, & the spectacular Seattle skyline at sunset—an everyday indulgence. The thoughtfully designed flr plan includes a main flr master suite, open kitchen w/spacious eating area, and a great rm that seamlessly integrates entertainment and daily life. This charming gem is ready for your personal touch & style to transform it into your perfect sanctuary. 1,300 sq ft ADU with its own entrance & parking, offers versatility for guests or potential rental income.

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Listing Snapshot
Price 
$3,549,000
Days On Site 
115 Days
Bedrooms 
5
Inside Area (SqFt) 
5,190 sqft
Total Baths 
5
Full Baths 
2
Partial Baths 
3
Lot Size 
0.3258 Acres
Year Built 
1987
MLS® Number 
2294371
Status 
Active
Property Tax 
$23,190
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Days online/new listing status Today's Date - OriginatingSystemModificationTimestamp + CumulativeDaysOnMarket = CDOM.
Friends & Family
Recent Activity
2 days agoListing updated with changes from the MLS®
a week agoPrice changed to $3,549,000
4 months agoStatus changed to Active
4 months agoListing first seen on site
General Features
Acres 
0.3258
Attached Garage 
Yes
Buyer Agent Compensation 
2.5
Garage 
Yes
Garage Spaces 
2
Parking 
AttachedRV Access/Parking
Parking Spaces 
2
Property Sub Type 
Single Family Residence
SqFt Total 
5190
Stories 
Two
Utilities 
Sewer Connected
Water Source 
Public
Zoning 
R15
Interior Features
Appliances 
DishwasherDryerMicrowaveRefrigeratorDisposalGas Water HeaterWasherWater Heater
Basement 
Finished
Cooling 
Central Air
Fireplace 
Yes
Fireplace Features 
Wood Burning
Fireplaces 
4
Flooring 
Ceramic TileHardwoodLaminateCarpet
Heating 
ElectricNatural GasForced Air
Interior 
Central VacuumWalk-In Closet(s)Vaulted Ceiling(s)
Main Level Bedrooms 
1
Window Features 
Skylight(s)Storm Window(s)
Approved Accessory 
Level - Lower
Bathroom Full 
Level - Second
Bathroom Half 
Level - Main
Bathroom Three Quarter 
Level - Lower
Bedroom 
Level - Lower
Den 
Level - Lower
Dining Room 
Level - Lower
Entry Hall 
Level - Main
Family Room 
Level - Main
Kitchen 
Level - Main
Living Room 
Level - Main
Master Bedroom 
Level - Main
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Exterior Features
Construction Details 
Wood Siding
Exterior 
Garden
Lot Features 
LevelSlopedSecluded
Patio And Porch 
Deck
Roof 
Composition
View 
CityLakeMountain(s)
Waterview 
CityLakeMountain(s)
Windows/Doors 
Skylight(s)Storm Window(s)
Community Features
Building Access 
Main
Financing Terms Available 
Conventional
MLS Area 
510 - Mercer Island
School District 
Mercer Island
Schools
School District
Mercer Island
Elementary School
Island Park Elem
Middle School
Islander Mid
High School
Mercer Isl High
Courtesy of NWMLS
Listing courtesy of Lily Koshiro of South Lake Associates Inc.



Listing information is provided by Participants of the Northwest MLS. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Copyright 2025, Northwest MLS.
All data is obtained from various sources and may not have been verified by the 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.
Based on Information submitted to the MLS Grid as of: 2024-10-29 05:00 PM PDT

Neighborhood & Commute
Source: Walkscore
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