7909 78th Avenue SE

Mercer Island, WA 98040

  • 7 Bed

  • 11 Bath

  • 9340 SqFt

  • 214 DOM

  • Built: 1996

  • Status: Active

$7,980,000

X

7909 78th Avenue SE

Mercer Island 98040

Open Sun, Oct 5th, 2PM to 4PM

$7980000

  • 7 Bed

  • 11 Bath

  • 9340 SqFt

  • 214 DOM

  • Built: 1996

  • Status: Active

Love this home?

Request Tour, Ask a Question or Start an Offer

Srinivas Kasam

CEO & Founder

(650)533-3259

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.

Download our Mobile app

--> -->

Residence Information

  • 9340

  • 2/Gas

  • 7

  • 4

  • 3

  • 11

  • Tile

  • 4,

  • 18 - 2 Stories w/Bsmnt

  • 1996

  • Daylight, Finished

  • Daylight, Finished

  • Poured Concrete

Features and Utilities

  • Dishwasher(s), Disposal, Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)

  • Second Kitchen, Bath Off Primary, Built-In Vacuum, Double Pane/Storm Window, Dining Room, Fireplace,

  • Stone, Stucco

  • Public

  • Sewer Connected

Financial

  • 32247.72

  • Cash Out, Conventional

  • 08-18-2025

Comparable Information

  • 214

  • 214

  • Cash Out, Conventional

  • $8,488,000

  • $8,488,000

  • Oct 02, 2025 18:26

Schools

Elementary : Lakeridge Elem N/A Ratings
Middle : Islander Mid N/A Ratings
High : Mercer Isl High N/A Ratings

Map

Listing courtesy of eXp Realty.

The content relating to real estate for sale on this site comes in part from the IDX program of the NWMLS of Seattle, Washington. Real Estate listings held by brokerage firms other than this firm are marked with the NWMLS logo, and detailed information about these properties include the name of the listing's broker. Listing content is copyright © 2025 NWMLS of Seattle, Washington. All information provided is deemed reliable but is not guaranteed and should be independently verified. Kasamestates data last checked: Oct 04, 2025 22:50 | Listing last modified Oct 02, 2025 18:26. Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.

Similar Properties

$4,000,000

  • 4 Bed

  • 1.5 Bath

  • 2690 SqFt

  • 1 DOM

  • 8449 W Mercer Way, Mercer Island, 98040

$3,400,000

  • 5 Bed

  • 5 Bath

  • 5171 SqFt

  • 4 DOM

  • 8300 SE 82nd Street, Mercer Island, 98040

$2,795,000

  • 4 Bed

  • 3.5 Bath

  • 3940 SqFt

  • 4 DOM

  • 2246 81st Avenue SE, Mercer Island, 98040

$9,398,000

  • 6 Bed

  • 8 Bath

  • 9640 SqFt

  • 5 DOM

  • 5044 Butterworth Road, Mercer Island, 98040

Login to continue

Email field required!
Password field required!
Show password

Forgot your password?

Reset your password?

You will receive a link to the entered email address to create a new password

Error message here!

Back to login

Sign up with Email