7909 78th Avenue Se, Mercer Island, WA 98040
Local realty services provided by:Better Homes and Gardens Real Estate Macy & Co.
Listed by:helena chen
Office:exp realty
MLS#:2420036
Source:NWMLS
7909 78th Avenue Se,Mercer Island, WA 98040
$7,980,000
- 7 Beds
- 11 Baths
- 9,340 sq. ft.
- Single family
- Active
Upcoming open houses
- Sat, Oct 0401:00 pm - 04:00 pm
Price summary
- Price:$7,980,000
- Price per sq. ft.:$854.39
About this home
Perched above Lake Washington with expansive views, this custom estate showcases exquisite cherry millwork throughout. The main-level primary suite opens to a private patio, and upstairs, an additional primary suite with its own terrace complements two more ensuites. Entertain effortlessly in the gourmet kitchen with high-end appliances and butler’s pantry. The lower level transforms into a resort-style retreat with indoor pool, spa, sauna, gym, theater, billiards room, and wine cellar. Outside, expansive decks, a sport court, putting green, and professionally landscaped grounds frame the serene lake backdrop. Experience refined waterfront living in a singular setting.
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Home facts
- Year built:1996
- Listing ID #:2420036
- Updated:October 02, 2025 at 06:55 PM
Rooms and interior
- Bedrooms:7
- Total bathrooms:11
- Full bathrooms:4
- Half bathrooms:3
- Living area:9,340 sq. ft.
Heating and cooling
- Cooling:90%+ High Efficiency, Central A/C
- Heating:90%+ High Efficiency, Forced Air, Heat Pump
Structure and exterior
- Roof:Tile
- Year built:1996
- Building area:9,340 sq. ft.
- Lot area:0.54 Acres
Schools
- High school:Mercer Isl High
- Middle school:Islander Mid
- Elementary school:Lakeridge Elem
Utilities
- Water:Public
- Sewer:Sewer Connected
Finances and disclosures
- Price:$7,980,000
- Price per sq. ft.:$854.39
- Tax amount:$32,248 (2025)
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