Untamed Beauty. Tom Kundig-designed residence, this masterful retreat embodies organic architecture and quiet luxury. Nestled into the natural landscape, it showcases Kundig’s iconic use of steel, glass, and cement—blurring the boundaries between indoors and out. Set on a private, view-filled property, the home captures breathtaking views of Lake Washington and Mt. Rainier. Interiors feature soaring volumes, warm natural finishes, and seamless indoor-outdoor transitions. Whether preserved in its architectural purity or thoughtfully modernized, this is a rare opportunity to own a piece of Tom Kundig’s extraordinary design.
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Listed by: Realogics Sotheby's Int'l Rlty • Rebecca Gray
Bought with: RSVP Brokers ERA
$6,825,000
8320 Avalon Drive, Mercer Island, WA 98040
4beds
5,950sqft
Single Family Residence
Built in 2007
0.4 Acres Lot
$6,595,800 Zestimate®
$1,147/sqft
$7,871 Estimated rent
Home value
$6,595,800
$6.07M - $7.19M
$7,871/mo
Zestimate® history
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List your homeWhat's special
Warm natural finishesSeamless indoor-outdoor transitionsSoaring volumes
Zillow last checked:
Listing updated:
Listed by:
Rebecca Gray,
Realogics Sotheby's Int'l Rlty,
Alexander Gray,
Realogics Sotheby's Int'l Rlty
Bought with:
Jamie Brakken, 26725
RSVP Brokers ERA
Source: NWMLS as distributed by MLS GRID,MLS#: 2408555
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 2
- 3/4 bathrooms: 1
- 1/2 bathrooms: 1
- Main level bathrooms: 2
- Main level bedrooms: 1
Bedroom
- Level: Main
Bathroom three quarter
- Level: Main
Other
- Level: Main
Other
- Level: Main
Den office
- Level: Main
Dining room
- Level: Main
Great room
- Level: Main
Kitchen with eating space
- Level: Main
Rec room
- Level: Main
Heating
- Fireplace, Radiant, Geothermal, Natural Gas
Cooling
- Has cooling: Yes
Appliances
- Included: Dishwasher(s), Disposal, Double Oven, Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Trash Compactor, Washer(s), Garbage Disposal, Water Heater: Tankless, Water Heater Location: Utility Room
Features
- Bath Off Primary, Central Vacuum, Dining Room, High Tech Cabling, Sauna
- Flooring: Ceramic Tile, Concrete
- Doors: French Doors
- Windows: Double Pane/Storm Window
- Basement: None
- Number of fireplaces: 3
- Fireplace features: Gas, Wood Burning, Lower Level: 1, Main Level: 2, Fireplace
Interior area
- Total structure area: 5,950
- Total interior livable area: 5,950 sqft
Property
Parking
- Total spaces: 4
- Parking features: Attached Garage
- Attached garage spaces: 4
Features
- Levels: Two
- Stories: 2
- Entry location: Upper (2nd Floor)
- Patio & porch: Bath Off Primary, Built-In Vacuum, Double Pane/Storm Window, Dining Room, Fireplace, Fireplace (Primary Bedroom), French Doors, High Tech Cabling, Jetted Tub, Sauna, Security System, SMART Wired, Sprinkler System, Vaulted Ceiling(s), Walk-In Closet(s), Walk-In Pantry, Water Heater, Wine/Beverage Refrigerator
- Spa features: Bath
- Has view: Yes
- View description: Lake
- Has water view: Yes
- Water view: Lake
Lot
- Size: 0.4 Acres
- Features: Paved, Cable TV, Deck, Dog Run, Electric Car Charging, Fenced-Fully, Gas Available, High Speed Internet, Patio, Propane, Sprinkler System
- Topography: Level
- Residential vegetation: Garden Space
Details
- Parcel number: 0321100285
- Zoning: R8.4
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemporary,2 Story
- Property subtype: Single Family Residence
Materials
- Cement/Concrete, Metal/Vinyl, See Remarks, Wood Siding
- Foundation: Poured Concrete
- Roof: Flat
Condition
- Very Good
- Year built: 2007
Utilities & green energy
- Electric: Company: PSE
- Sewer: Sewer Connected, Company: City of Mercer Island
- Water: Public, Company: City of Mercer Island
Community & HOA
Community
- Features: Athletic Court, Boat Launch, Clubhouse, Park, Trail(s)
- Security: Security System
- Subdivision: Mercer Island
Location
- Region: Mercer Island
Financial & listing details
- Price per square foot: $1,147/sqft
- Tax assessed value: $4,360,000
- Annual tax amount: $29,663
- Date on market: 8/28/2025
- Cumulative days on market: 328 days
- Listing terms: Conventional
- Inclusions: Dishwasher(s), Double Oven, Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Trash Compactor, Washer(s)
Price history
| Date | Event | Price |
|---|---|---|
| 9/12/2025 | Sold | $6,825,000-1.1%$1,147/sqft |
Source:  NWMLS as distributed by MLS GRID #2408555 Report a problem | ||
| 9/1/2025 | Pending sale | $6,900,000$1,160/sqft |
Source: NWMLS as distributed by MLS GRID #2408555 Report a problem | ||
| 7/20/2025 | Listed for sale | $6,900,000+19%$1,160/sqft |
Source: Realogics Sothebys International Realty #2408555 Report a problem | ||
| 9/3/2021 | Sold | $5,800,000-7.2%$975/sqft |
Source: NWMLS as distributed by MLS GRID #1774416 Report a problem | ||
| 8/11/2021 | Pending sale | $6,250,000$1,050/sqft |
Source: NWMLS as distributed by MLS GRID #1774416 Report a problem | ||
| 8/6/2021 | Contingent | $6,250,000$1,050/sqft |
Source: NWMLS as distributed by MLS GRID #1774416 Report a problem | ||
| 7/23/2021 | Pending sale | $6,250,000$1,050/sqft |
Source: NWMLS as distributed by MLS GRID #1774416 Report a problem | ||
| 5/17/2021 | Listed for sale | $6,250,000+733.3%$1,050/sqft |
Source: NWMLS as distributed by MLS GRID #1774416 Report a problem | ||
| 7/10/2001 | Sold | $750,000$126/sqft |
Source: NWMLS as distributed by MLS GRID #21060635 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $28,409 -4.2% | $4,360,000 -3.8% |
| 2024 | $29,663 +1.3% | $4,530,000 +6.5% |
| 2023 | $29,286 +0.4% | $4,254,000 -10.6% |
| 2022 | $29,181 +11.4% | $4,758,000 +33.8% |
| 2021 | $26,185 +7% | $3,556,000 +16.4% |
| 2020 | $24,461 -4.3% | $3,056,000 -5.5% |
| 2019 | $25,552 +7.4% | $3,235,000 +2.1% |
| 2018 | $23,797 -4% | $3,167,000 +10.8% |
| 2017 | $24,794 +27.9% | $2,858,000 +7.5% |
| 2016 | $19,392 | $2,659,000 +10.4% |
| 2015 | $19,392 | $2,408,000 +8.6% |
| 2014 | $19,392 | $2,217,000 +7.1% |
| 2013 | $19,392 | $2,070,000 +8.4% |
| 2012 | -- | $1,909,000 +1.3% |
| 2011 | -- | $1,885,000 -7.3% |
| 2010 | -- | $2,033,000 |
| 2009 | -- | $2,033,000 +290.2% |
| 2007 | -- | $521,000 -31.2% |
| 2006 | -- | $757,000 +9.7% |
| 2005 | -- | $690,000 +20.2% |
| 2001 | $5,489 +6.7% | $574,000 +17.9% |
| 2000 | $5,142 | $487,000 |
Find assessor info on the county website
Neighborhood: 98040
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Nearby schools
GreatSchools rating
- 9/10Lakeridge Elementary SchoolGrades: K-5Distance: 0.4 mi
- 9/10Islander Middle SchoolGrades: 6-8Distance: 0.7 mi
- 10/10Mercer Island High SchoolGrades: 9-12Distance: 3 mi
Schools provided by the listing agent
- Elementary: Lakeridge Elem
- Middle: Islander Mid
- High: Mercer Isl High
Source: NWMLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$6,595,800
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Estimated market value
$6,595,800
- Washington
- King County
- Mercer Island
- 98040
- 8320 Avalon Drive
Nearby cities
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