7204 78Th Avenue SE Mercer Island WA 98040 MLS #NWM2389394
Listing Provided Courtesy of John L. Scott, Inc.Exceptional Development Opportunity on Mercer Island. A generous 22,000 sq ft corner lot in one of MI’s most desirable neighborhoods. Preliminary subdivision approval granted—ready to be divided into two lots. The lot’s regular shape supports optimal design flexibility, allowing future homes to maximize the 40% FAR. Enjoy an unbeatable location just minutes from the lake, parks, shopping, and top-rated schools—all within walking distance. An existing home on the property has been modestly updated. Whether you’re a builder, investor, or homeowner with vision, this is a prime opportunity to capitalize on the scarcity of developable land on MI. Bring your team and start the permitting process.
Current real estate data for Single Family in Mercer Island as of Sep 14, 2025
87
Single Family Listed
68
Avg DOM
1,099
Avg $ / SqFt
$4,950,538
Avg List Price
Property Details
Price:
$2,270,000
MLS #:
NWM2389394
Status:
Active
Beds:
4
Baths:
2
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
South End
Neighborhood:
510 – Mercer Island
Listed Date:
Jun 7, 2025
Finished Sq Ft:
3,040
Total Sq Ft:
3,040
Lot Size:
22,000 sqft / 0.51 acres (approx)
Year Built:
1958
Schools
School District:
Mercer Island
Interior
Bathrooms
1 Full Bathroom, 1 Half Bathroom
Cooling
None
Fireplaces Total
2
Heating
Forced Air
Exterior
Construction Materials
Wood
Exterior Features
Wood Products
Parking Features
Attached Garage
Parking Spots
2
Roof
Composition
Financial
Tax Year
2025
Taxes
$12,852
Map
Contact Us
Mortgage Calculator
Community
- Address7204 78Th Avenue SE Mercer Island WA
- SubdivisionSouth End
- CityMercer Island
- CountyKing
- Zip Code98040
Property Summary
- Located in the South End subdivision, 7204 78Th Avenue SE Mercer Island WA is a Single Family for sale in Mercer Island, WA, 98040. It is listed for $2,270,000 and features 4 beds, 2 baths, and has approximately 3,040 square feet of living space, and was originally constructed in 1958. The current price per square foot is $747. The average price per square foot for Single Family listings in Mercer Island is $1,099. The average listing price for Single Family in Mercer Island is $4,950,538. To schedule a showing of MLS#nwm2389394 at 7204 78Th Avenue SE in Mercer Island, WA, contact your HomeSmart One Realty agent at 425-218-4178.
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Listing courtesy of John L. Scott, Inc.The database information herein is provided from and copyrighted by the Northwest Multiple Listing Service (NWMLS). NWMLS data may not be reproduced or redistributed and is only for people viewing this site. All information provided is deemed reliable but is not guaranteed and should be independently verified. All properties are subject to prior sale or withdrawal. This site was last updated Sep-14-2025 2:14:30 am. © 2025 NWMLS.
7204 78Th Avenue SE
Mercer Island, WA