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#2357413, Kathi Green, Listing Office: Windermere Real Estate/East
#2321050·
Listing office: John L. Scott, Inc·
Listing agent: Janie Lee·
Listing office phone: 425-227-9200
$8,980,000 List price
7909 78th Ave SE Mercer Island, WA 98040
7 beds
4 full, 3 partial
9,340 sqft
0.5 acres
$961 / sqft
House
Property details
About 7909 78th Ave SE
Perched above the shores of Mercer Island, this custom estate offers a front-row seat to panoramic Lake Washington views. Rich cherry millwork lines every room. Main level boasts the 1st primary suite w/private patio. Sprawling staircase leads to the upper level with 3 spacious ensuites. 2nd primary suite w/private patio overlooking the stunning view. Gourmet kitchen w/high-end appliances paired with butler’s pantry. Resort lifestyle year-round on the lower level, theatre, billiards room, indoor pool, gym, spa, sauna and wine cellar. Outdoors, expansive entertainment decks, full sport court and putting green are surrounded by professional landscaping w/the dramatic backdrop of the lake. Enjoy a life of splendor in this unparalleled estate.
Highlights
HeatingHigh Efficiency, Forced Air, Heat Pump
StatusActive
CoolingOther, Central Air
Size9,340 sqft
BasementYes
Lot size0.5411 Acres
Year built1996
ParkingAttached Garage, RV Parking
MLS #2321050
Attached garage4 spaces
FireplaceGas
ViewLake, Mountain(s), Territorial
Virtual tour
Summary
- Partial Bathrooms: 3
- Full Bathrooms: 4
- Appliances: Disposal
- Basement: Yes
- Flooring Type: Ceramic Tile, Hardwood, Carpet
- Interior: Bath Off Primary, Built-In Vacuum, Ceramic Tile, Double Pane/Storm Window, Dining Room, Fireplace, Fireplace (Primary Bedroom), French Doors, High Tech Cabling, Hot Tub/Spa, Indoor Pool, Jetted Tub, Sauna, Security System, Water Heater
- Fireplace: Gas
- Total Bedroom Count: 7
- Garage Space: 4 spaces
- Attached Garage: Yes
- Parking: Attached Garage, RV Parking
- View: Lake, Mountain(s), Territorial
- Exterior: Stone, Stucco
- Architectural Style: Northwest Contemporary
- Heating: High Efficiency, Forced Air, Heat Pump
- Cooling: Other, Central Air
- List Price: $8,980,000
- Price/SqFt: $961
- Annual Tax Amount: $31,838
- Tax Year: 2023
- Lot: Dead End Street, Paved
- Directions: From I-90W, take exit 7 then turn left onto Island Crest Way, right onto Merrimount Dr, sharp left onto W Mercer Way, left onto SE 72nd St, right onto 78th Ave SE, home on left.
- Year Built: 1996
- Living Area: 9,340 SqFt
- Lot Size: 0.5411 Acres
- MLS Number: 2321050
- MLS Name: NWMLS
- Office Name: John L. Scott, Inc
- Office Phone: (425) 227-9200
- Listing Agent: Janie Lee
Listings courtesy of Northwest Multiple Listing Service as distributed by MLS GRID.
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The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Northwest Multiple Listing Service IDX. Real estate listings held by other brokerage firms are marked with the green "three trees" logo and includes the name of the listing broker(s). Copyright © 2025 Northwest MLS. All rights reserved.
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Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
Last updated on: 5/8/2025, 2:47:27 AM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
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$8,980,000
7909 78th Ave SE
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Price information
Property sales
| Date | Event | Price |
|---|---|---|
| Aug 25, 2011 | Home Sold | $2,330,000 |
| Feb 04, 1994 | Home Sold | $320,000 |
| Jun 13, 1989 | Home Sold | $585,000 |
Tax history
| Year | Assessment | Property Tax |
|---|---|---|
| 2023 | $5,172,000 | $31,838 |
| 2022 | $5,172,000 | $31,718 |
| 2021 | $3,866,000 | $28,466 |
| 2020 | $3,414,000 | $27,324 |
| 2018 | $3,411,000 | $25,629 |
| 2017 | $3,078,000 | $26,701 |
History based on county public records data.
Nearby schools
9
Lakeridge Elementary School
Public District KG-5
0.3 mi
•8215 SE 78th St
4
Emerson Elementary School
Public District PK-5
1.6 mi
•9709 60th Ave S
9
Island Park Elementary School
Public District KG-5
1.6 mi
•5437 Island Crest Way
School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.
Neighborhood
The neighbors living near this home have an average income of $197,074. Typical income of Mercer Island, WA residents is $200k+ annually. Typical family type is married, no kids. Typical level of education for residents in this area is post secondary degree.
How much money do the neighbors make?
3%
<35k
19%
35k-100k
29%
100k-200k
49%
200k+
What level of education do the neighbors have?
High School Diploma
Post Secondary Degree
Masters Degree
Doctorate
What types of families live nearby?
12%
Single, No Kids
2%
Single, with Kids
44%
Married, No Kids
42%
Married, with Kids
Are the neighbors home owners or renters?
Home Owners
Renters
How old are people in this area?
17%
<11 yrs old
11%
12-17 yrs old
9%
18-34 yrs old
47%
35-64 yrs old
16%
65+ yrs old
What do the neighbors do for fun?
Skiing/snowboarding
Men's Tennis- Tennis
Where do the neighbors shop?
Nordstrom
Bloomingdales
Brooks Brothers
Where do the neighbors go to eat?
California Pizza Kitchen
Bonefish Grill
Qdoba
What do the neighbors drive?
BMW
Lexus
Acura
What do the neighbors listen to?
Talk/Personality
News
Sports
All data provided by Home Junction and Claritas
Similar homes for sale
Frequently asked questions
About 7909 78th Ave SE
The listing price of 7909 78th Ave SE property is $8,980,000.
The property 7909 78th Ave SE is a house located in Mercer Island, Washington, 98040.
Active Listing: 7909 78th Ave SE is For Sale (Active/New) which means the seller is accepting offers.
The nearby schools for 7909 78th Ave SE are: Lakeridge Elementary School (GreatSchools Rating 9/10), Emerson Elementary School (GreatSchools Rating 4/10), Island Park Elementary School (GreatSchools Rating 9/10), Islander Middle School (GreatSchools Rating 9/10), South Shore PK-8 School (GreatSchools Rating 5/10), Aki Kurose Middle School (GreatSchools Rating 5/10), Rainier Beach High School (GreatSchools Rating 3/10), Alan T. Sugiyama High School (GreatSchools Rating 2/10), Rainier Valley Leadership Academy (GreatSchools Rating 5/10).
According to the records, the last property tax for 2023 is $31,838 (source: MLS/based on county public records data).
The last sale was on August 25, 2011 for $2,330,000 (source: MLS/tax record).
The property at 7909 78th Ave SE has 7 bedrooms and 4 full and 3 half bathrooms.
The property 7909 78th Ave SE is 9,340 SqFt (source: MLS/tax record).
The year of construction for 7909 78th Ave SE is 1996.
This home is located at 7909 78th Ave SE in Mercer Island, WA and zip code 98040 in the Island Point neighborhood. This 9,340 square foot home, which was built in 1996, sits on a 0.54 acre lot. Features: 7 bedrooms, 10 bathrooms. It has been listed on Rocket Homes since January 13, 2025 and is currently priced at $8,980,000.
In April 2025 more than 11 listings in Mercer Island, WA were sold above the asking price. During the same period more than 5 listings were sold at asking price, while more than 7 were sold below. The number of homes for sale in Mercer Island, WA increased by 48.5% between March and April 2025. Listings spent 6 days on the market in April 2025, and had a median list price of $2,372,500 during the same period.
From Rocket Homes Real Estate and based on county public records data.