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$7,580,000 -$220,000 (-2.82%) Price Reduced
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Full Property Details for 7909 78th Ave SE
General
- Price: $7,580,000
- Taxes: $32,247 (2025)
- Status: Active
- Type: Single Family
- Source: NWMLS
- MLS ID: 2420036
- Updated: 2/26/2026
- Added to Site: 192 day(s) ago
Interior
- Interior Features: Second Kitchen, Bath Off Primary, Built-In Vacuum, Dbl Pane/Storm Window, Dining Room, Fireplace, Fireplace (Primary Bedroom), French Doors, High Tech Cabling, Hot Tub/Spa, Indoor Pool, Jetted Tub, Sauna, Security System, Sprinkler System, Vaulted Ceilings, Walk-In Closet(s), Walk-In Pantry, Water Heater, Wet Bar, Wine Cellar
- Fireplace: Yes
- Number of Fireplaces: 2
- Fireplace(s): Gas
- Appliances: Dishwasher(s), Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
- Flooring: Ceramic Tile, Hardwood, Carpet
Rooms
Bathrooms
- Total Bathrooms: 11
- Full Bathrooms: 4
- 3/4 Bathrooms: 4
- Half Bathrooms: 3
- Upper - Full Baths: 2
- Upper - 3/4 Baths: 3
- Main Floor Baths: 3
- Main - 1/2 Baths: 2
- Lower - Full Baths: 1
- Lower - 3/4 Baths: 1
- Lower - 1/2 Baths: 1
Bedrooms
- Total Bedrooms: 7
- Bedrooms Upper: 5
- Bedrooms Lower: 1
- Bedrooms Main: 1
Additional Information
- Amenities: Athletic Court, Cable TV, Deck, Gas Available, Hot Tub/Spa
- Pool: Yes
- Pool Description: Indoor
- Spa: Yes
- Security/Safety: Security System
Parking
- Garage: Yes
- Attached garage: Yes
- Covered Spaces: 4
- Parking Features: Attached Garage
Location
- Area: 510 - Mercer Island
- County: King
- Subdivision: Mercer Island
- Driving Directions: GPS is accurate
School Information
- High School District: Mercer Island
- Elementary School: Lakeridge Elem
- Middle School: Islander Mid
- High School: Mercer Isl High
Heating & Cooling
- Air Conditioning: Yes
- Cooling Type: 90%+ High Efficiency, Central A/C
- Heating Type: 90%+ High Efficiency, Forced Air, Heat Pump
- Water Heater: Gas
Utilities
- Sewer: Sewer Connected
- Water: Public
Structural Information
- Structure Type: House
- Exterior Const.: Stone, Stucco
- Basement Desc.: Daylight, Finished
- Foundation: Poured Concrete
- Roof: Tile
- Entry Location: Main
- Square Feet: 9,340
- Finished Total: 9,340 Sq. Ft.
- Year Built: 1996
Lot Features
- Property View: Lake, Mountain(s), Territorial
- Lot Size (Acres): 0.5411
- Lot Size (Sq. Ft.): 23,571
- Lot Size Source: Public Records
- Topography: Partial Slope, Terraces
- Lot Features: Dead End Street, Paved
- Trees/Vegetation: Fruit Trees, Garden Space
Financial Considerations
- Tax Amount: $32,247.72
- Tax Year: 2025
- Terms: Cash, Conventional
Disclosures and Reports
- Special Conditions: None
- Inclusions: Dishwasher(s), Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
- Property ID: 2524049014
Listed by Helena Chen | eXp Realty | (888) 317-5197
Schools serving 7909 78th Ave SE
| Name | Grades | Distance |
|---|---|---|
Lakeridge Elementary School, Mercer Island, WA 8215 Southeast 78th Street, Mercer Island, WA 98040 | K-5 | 0.3 mi |
Islander Middle School 8225 Southeast 72nd Street, Mercer Island, WA 98040 | 6-8 | 0.5 mi |
Mercer Island High School 9100 Southeast 42nd Street, Mercer Island, WA 98040 | 9-12 | 2.9 mi |
Price & Sales History for 7909 78th Ave SE
Tax History for 7909 78th Ave SE
Estimate the Cost for 7909 78th Ave SE
7909 78th Avenue SE, Mercer Island, WA 98040 (MLS# 2420036) is a Single Family property with 7 bedrooms, 4 full bathrooms and 7 partial bathrooms. 7909 78th Avenue SE is currently listed for $7,580,000 and was received on August 18, 2025. Want to learn more about 7909 78th 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.

