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Listed by Robyn Kimura Hsu • Realogics Sotheby's Int'l Rlty.
FOR SALE

$9,590,000

Est. $53,119/mo

Price reduced $300,000 from the original $9,890,000 asking price

5 bd•5 ba•5,390 sq ft

8260 Avalon Drive, Mercer Island, WA 98040

• Listed Jun 10, 2025•489 days active · 489 cumulative

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★★★★★5.0·1,242 Google reviews

Listing Broker: Realogics Sotheby's Int'l Rlty; Robyn Kimura Hsu; 206-295-2247; robyn.hsu@rsir.com

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Listing Broker: Realogics Sotheby's Int'l Rlty; Robyn Kimura Hsu; 206-295-2247; robyn.hsu@rsir.com

About this home

Experience superlative Northwest living in this sophisticated and joyous Mercer Island waterfront home. Delight in unobstructed stunning Mt. Rainier views from the private dock and airy and light five bedroom, five bath residence. This classic Cape Cod stunner offers soaring ceilings, hickory hardwood flooring throughout, a chef’s kitchen and three fireplaces. An unusually large, flat lawn and multiple entertaining decks invite seamless indoor-outdoor living for all to enjoy along with 69 feet of rare, low-bank shoreline, and a covered boat slip. Located in a sought-after enclave near the Mercer Island Beach Club, this home is both a private retreat and an entertainer’s dream.

Property type
Single Family
Year built
2006
Interior
5,390 sq ft
Lot size
0.4245 acres
Parking
3-car garage
Price / sq ft
$1779
HeatingForced Air, Heat Pump, Recirculation Pump
CoolingCentral Air, Heat Pump
Property taxes$39,629/yr (est.)
School districtMercer Island

Listed by Robyn Kimura Hsu • Realogics Sotheby's Int'l Rlty

Listing updated: September 30, 2026 at 10:27am

RexMont checked: moments ago

Source: NWMLS as Distributed by MLS Grid #2390251

Around this home

RexMont OfferEdge™

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8260 Avalon Drive, Mercer Island, WA 98040

List price
$9,590,000
Down payment
$1,918,000

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Source:RexMont analysis of Northwest MLS sales data for this ZIP code plus third-party market data (RentCast). The estimates are RexMont's, not Northwest MLS listing data.

Estimates only and not guaranteed. Consult a RexMont agent for accurate, personalized guidance before making an offer. RexMont OfferEdge™ · © 2026 RexMont Real Estate. Proprietary tool.

Property details

Interior features

  • Bath Off Primary
  • Built-In Vacuum
  • Dbl Pane/Storm Window
  • Dining Room
  • Fireplace
  • High Tech Cabling
  • Jetted Tub
  • Security System
  • Sprinkler System
  • Walk-In Closet(s)
  • Wet Bar
  • Wine/Beverage Refrigerator
  • 3 fireplaces (gas, wood burning)
  • Daylight, Finished basement

Kitchen

  • Dishwasher
  • Disposal
  • Double Oven
  • Dryer
  • Microwave
  • Refrigerator
  • Stove(s)/Range(s)
  • Tankless Water Heater
  • Washer

Bedrooms

  • 5 bedrooms total
  • 4 upstairs
  • 1 on the lower level

Bathrooms

  • 4 full bathrooms
  • 2 half bathrooms
  • 5 bathrooms total (NWMLS count)
  • 1 on the main level

Layout

  • 2 Stories w/Bsmnt
  • 5,390 sq ft finished

Flooring

  • Ceramic Tile
  • Hardwood
  • Stone

Heating & cooling

  • Forced Air heating
  • Heat Pump heating
  • Recirculation Pump heating
  • Central Air cooling
  • Heat Pump cooling

Schools

Ratings via SchoolDigger

Mercer Island School District

Assigned schools for this property per the listing's MLS data. School district boundaries change — verify the exact assigned schools with the district before purchasing.

Single-family home facts

As entered by the listing broker on Northwest MLS

Lot & site

Topography
Level,Sloped,Terraces
Faces
East

Systems

Energy source
Electric,Natural Gas
Power production
Electric, Natural Gas
Power company
Puget Sound Energy
Water company
City of Mercer Island
Sewer company
City of Mercer Island
Irrigation water rights
No
Internet connected
Xfinity
Cable connected
Xfinity

Rooms & extras

Bathtubs
4
Showers
4
Fireplaces on main
2
Fireplaces lower level
1
Excluded items
Yes

New construction

Builder
MatchPoint Construction
Square footage source
KCR
Lot size source
KCR
Effective year built source
Public Records

Manufactured home

Land lease
No

Neighborhood mobility

Doorstep, Pedal & Station Scores

Three RexMont scores for this exact address: what is on foot, what is by bike, and what rides past the door.

Ground Truth™

The ground, the slope, the flood zone and the noise at this address

Read from public hazard, flood, terrain and noise maps for this exact home.

Address Insider™

The members' report

Commute, transit, zoning and ADU potential, internet providers and the lifestyle around the home: the nearest grocery, coffee, park, services and transit stop. One free registration opens every home on rexmont.com.

Members

Opens with the report above.

Sales & Tax Records for 8260 Avalon Drive

NWMLS via MLS Grid · King County Assessor

Every listing, pending, price change and closing filed on this home with the NWMLS, the county’s recorded sales, and its assessed values by tax year.

  1. Sep 30, 2026
    Price reduced
    NWMLS via MLS Grid · #2390251
    $9,590,000
    $1,779/sq ft
  2. Jun 10, 2025
    Listed
    NWMLS via MLS Grid · #2390251
    $9,890,000
    $1,835/sq ft
  3. May 14, 2007
    Sold
    NWMLS via MLS Grid · #26145377
    $5,150,000
    $955/sq ft
  4. Feb 13, 2007
    Pending
    NWMLS via MLS Grid · #26145377
    $5,250,000
    $974/sq ft
  5. Aug 30, 2006
    Listed
    NWMLS via MLS Grid · #26145377
    $5,250,000
    $974/sq ft
  6. May 11, 2005
    Recorded sale
    King County recorder · Statutory warranty deed
    $1,775,000
    $329/sq ft

Mortgage payment forecast

$58,819 per month

Great rate
Principal and interest
Property taxes
HOA dues
Home insurance

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Source: RexMont estimate, not Northwest MLS listing data. Interest rates from Freddie Mac's Primary Mortgage Market Survey via FRED (Federal Reserve Bank of St. Louis). Property tax and HOA dues from the NWMLS listing where provided, otherwise estimated; insurance estimated at 0.3% of price per year.

Estimate only. Actual payment depends on credit, lender, and program. PMI not included for down payments below 20%.

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Listing Broker: Realogics Sotheby's Int'l Rlty; Robyn Kimura Hsu; 206-295-2247; robyn.hsu@rsir.com

Market pulse

Mercer Island is a balanced market.

Supply and demand are roughly in balance. Neither side has a clear edge.

Buyer's marketSeller's market
  • Offer insight: Homes typically sell with one offer near asking price.

  • List to sale price: The average home sells for about 2% below list price.

  • Time on market: The average home goes pending in around 60 days.

Recent sales nearby

Within 1 mile · last 6 months
  • $3,285,000 Sold

    5 days ago

    5 bd•4.5 ba•~4,580 sq ft•Single Family

    7429 E Mercer Way, Mercer Island, WA 98040

    6%

    Under list

    44

    Days on market

    0.7 mi

    Distance

  • $2,125,000 Sold

    1 week ago

    3 bd•2.5 ba•~2,810 sq ft•Single Family

    8510 SE 72nd Street, Mercer Island, WA 98040

    3%

    Under list

    44

    Days on market

    0.7 mi

    Distance

  • $2,918,000 Sold

    3 weeks ago

    5 bd•3 ba•~3,464 sq ft•Single Family

    8636 SE 75th Place, Mercer Island, WA 98040

    13%

    Over list

    15

    Days on market

    0.5 mi

    Distance

  • $2,150,000 Sold

    4 weeks ago

    4 bd•2.25 ba•~2,510 sq ft•Single Family

    8534 SE 79th Place, Mercer Island, WA 98040

    2%

    Under list

    32

    Days on market

    0.3 mi

    Distance

  • $2,300,000 Sold

    5 weeks ago

    5 bd•3 ba•~4,400 sq ft•Single Family

    7416 Mercer Terrace Drive, Mercer Island, WA 98040

    8%

    Under list

    44

    Days on market

    0.9 mi

    Distance

Closed sales from MLS GRID / NWMLS within the past 6 months, matched on property type and within 1 mile. Comps approximate.

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Market data from MLS GRID / NWMLS · Updated Oct 2026

MLS GRID Disclaimer

Based on information submitted to the MLS GRID as of September 30, 2026 at 10:27am (date and time MLS GRID Data was obtained). 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.

Listing information courtesy of Northwest Multiple Listing Service (NWMLS). The listing data relating to real estate for sale on this web site comes in part from the Northwest Multiple Listing Service. Real estate listings held by brokerage firms other than RexMont Real Estate are marked with the “Listing courtesy of NWMLS” designation. Information provided is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

© 2026 Northwest Multiple Listing Service. All rights reserved.

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