7909 78th Ave SE Mercer Island, WA 98040

$9,380,000
7 beds
4 full, 3 partial
9,340 sqft
0.5 acres
$1,004 / 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

  • MLS Number: 2321050
  • MLS Name: NWMLS
  • Office Name: John L. Scott, Inc
  • Office Phone: (425) 227-9200
  • Listing Agent: Janie Lee

IDX Listings courtesy of Northwest Multiple Listing Service as distributed by MLS GRID.

All data is obtained from various sources and may not have been verified by 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. Properties displayed may be listed or sold by various participants in the MLS.

IDX 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.

DMCA Notice

Disclaimer: Information contained in this listing has not been verified by Rocket Homes Real Estate, LLC and should be verified by the buyer. All information deemed reliable but not guaranteed and should be independently verified through personal inspection by and/or with the appropriate professionals. All properties are subject to prior sale, change or withdrawal. Neither broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The information on this web site is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Days on site is calculated from the listing date of the current listing and includes the sum of market time from prior listings for the same property uninterrupted by a sale or more than 60 days off-market. Time off market, including time when a sale is pending, temporarily off market, etc. is not included. NorthwestMLS
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
Last updated on: 2/12/2025, 1:47:50 AM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.

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view of rear view of property

$9,380,000

7909 78th Ave SE

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Price information

Property sales

DateEventPrice
Aug 25, 2011
Home Sold
$2,330,000
Feb 04, 1994
Home Sold
$320,000
Jun 13, 1989
Home Sold
$585,000

Tax history

YearAssessmentProperty 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.

All data from GreatSchools

Neighborhood

The neighbors living near this home have an average income of $197,074. Most Mercer Island, WA residents have annual incomes $200k+. Most families are married, no kids. Most residents in this area have post secondary degree education.

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/snowboardingSkiing/snowboarding
  • Men's TennisMen's Tennis
  • TennisTennis

Where do the neighbors shop?

  • NordstromNordstrom
  • BloomingdalesBloomingdales
  • Brooks BrothersBrooks Brothers

Where do the neighbors go to eat?

  • California Pizza KitchenCalifornia Pizza Kitchen
  • Bonefish GrillBonefish Grill
  • QdobaQdoba

What do the neighbors drive?

  • BMWBMW
  • LexusLexus
  • AcuraAcura

What do the neighbors listen to?

  • Talk/PersonalityTalk/Personality
  • NewsNews
  • SportsSports
All data provided by Home Junction and Claritas

Frequently asked questions

About 7909 78th Ave SE

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 $9,380,000.

In January 2025 more than 1 listings in Mercer Island, WA were sold above the asking price. During the same period more than 0 listings were sold at asking price, while more than 3 were sold below. In January 2025 in Mercer Island, WA there were 12.5% more homes for sale than in December. In January 2025 median list price was $2,325,000 and the average listing age was 71 days.

From Rocket Homes Real Estate and based on county public records data.

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