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Listed by Diane Tien • Realogics Sotheby's Int'l Rlty.
FOR SALE

$3,495,000

Est. $19,359/mo

Price reduced $304,000 from the original $3,799,000 asking price

5 bd•4.5 ba•4,819 sq ft

3745 88th Avenue SE, Mercer Island, WA 98040

• Listed Jun 13, 2026•128 days active · 128 cumulative

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★★★★★5.0·1,242 Google reviews

Listing Broker: Realogics Sotheby's Int'l Rlty; Diane Tien; 206-673-7206; diane.tien@rsir.com

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Listing Broker: Realogics Sotheby's Int'l Rlty; Diane Tien; 206-673-7206; diane.tien@rsir.com

About this home

Built by renowned MN Custom Homes, this exceptional Mercer Island residence offers a sought-after floor plan with four bedrooms and laundry on the upper level. The spacious primary suite features a luxurious five-piece bath, while the open chef's kitchen and great room create inviting spaces for daily living and entertaining. The versatile lower level provides flexibility for guests, movie nights, recreation, fitness, a home office, or even a pop-up school classroom. The backyard is a private oasis inspired by the nearby Bellevue Botanical Garden. A stunning collection of Japanese maples and thoughtfully curated landscaping provide year-round beauty, seasonal color, and tranquil gathering spaces. Delight in discovering secret garden moments and imaginative play spaces, and appreciate the peaceful connection to nature. A highly attentive owner has made meaningful enhancements, including custom closet systems, a dedicated dog run, and the exceptionally designed backyard retreat. Just blocks from schools, parks, pool, tennis, library, and minutes to downtown Mercer Island and Seattle.

Property type
Single Family
Year built
2015
Interior
4,819 sq ft
Lot size
0.2479 acres
Parking
2-car garage
Price / sq ft
$725
Heating90%+ High Efficiency
CoolingCentral Air
Property taxes$19,945.23/yr (est.)
School districtMercer Island

Listed by Diane Tien • Realogics Sotheby's Int'l Rlty

Listing updated: October 9, 2026 at 05:36pm

RexMont checked: moments ago

Source: NWMLS as Distributed by MLS Grid #2536138

Around this home

RexMont OfferEdge™

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3745 88th Avenue SE, Mercer Island, WA 98040

List price
$3,495,000
Down payment
$699,000

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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
  • Dbl Pane/Storm Window
  • Fireplace
  • French Doors
  • Pantry
  • Security System
  • Walk-In Closet(s)
  • Water Heater
  • Wet Bar
  • 3 fireplaces (gas)
  • Daylight, Finished basement

Kitchen

  • Dishwasher
  • Disposal
  • Double Oven
  • Dryer
  • Microwave
  • Refrigerator
  • See Remarks
  • Stove(s)/Range(s)
  • Trash Compactor
  • Washer

Bedrooms

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

Bathrooms

  • 4 full bathrooms
  • 1 half bathroom
  • 4.5 bathrooms total (NWMLS count)
  • 1 on the main level

Layout

  • 2 Stories w/Bsmnt
  • 4,819 sq ft finished

Flooring

  • Ceramic Tile
  • Hardwood
  • Carpet

Heating & cooling

  • 90%+ High Efficiency heating
  • Central Air 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
Vegetation
Fruit Trees, Garden Space
Lot number
15
Zoning code
R8.4
Zoning jurisdiction
County
Faces
Northwest

Systems

Energy source
Electric,Natural Gas
Power production
Electric, Natural Gas
Water heater
Electric
Water heater location
Garage
Power company
PSE
Water company
Mercer Island
Sewer company
Mercer Island
Gas company
PSE
Garbage service
Recology
Irrigation water rights
No
Internet connected
Comcast
Cable connected
Comcast

Rooms & extras

Bathtubs
4
Showers
4
Fireplaces on main
2
Fireplaces upstairs
1
Excluded items
No

New construction

Builder
MN
Square footage source
KCR
Lot size source
KCR

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

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Sales & Tax Records for 3745 88th Avenue SE

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. Oct 10, 2026
    Price reduced
    NWMLS via MLS Grid · #2536138
    $3,495,000
    $725/sq ft
  2. Jun 13, 2026
    Listed
    NWMLS via MLS Grid · #2536138
    $3,799,000
    $788/sq ft
  3. Mar 22, 2016
    Sold
    NWMLS via MLS Grid · #861497
    $1,725,000
    $358/sq ft
  4. Jan 23, 2016
    Pending
    NWMLS via MLS Grid · #861497
    $1,798,000
    $373/sq ft
  5. Jan 23, 2016
    Price reduced
    NWMLS via MLS Grid · #861497
    $1,798,000
    $373/sq ft
  6. Oct 28, 2015
    Listed
    NWMLS via MLS Grid · #861497
    $1,898,000
    $394/sq ft

Mortgage payment forecast

$21,895 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; Diane Tien; 206-673-7206; diane.tien@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 74 days.

Recent sales nearby

Within 1 mile · last 6 months
  • $1,585,000 Sold

    1 week ago

    4 bd•3 ba•~2,220 sq ft•Single Family

    4215 Island Crest Way, Mercer Island, WA 98040

    6%

    Under list

    65

    Days on market

    0.4 mi

    Distance

  • $3,425,000 Sold

    1 week ago

    7 bd•3.25 ba•~4,640 sq ft•Single Family

    8105 SE 44th Street, Mercer Island, WA 98040

    2%

    Under list

    24

    Days on market

    0.7 mi

    Distance

  • $2,100,000 Sold

    2 weeks ago

    4 bd•2.5 ba•~2,370 sq ft•Single Family

    3715 81st Avenue SE, Mercer Island, WA 98040

    5%

    Under list

    48

    Days on market

    0.4 mi

    Distance

  • $1,950,000 Sold

    2 weeks ago

    3 bd•2.25 ba•~2,880 sq ft•Single Family

    9726 SE 40th Street, Mercer Island, WA 98040

    11%

    Under list

    51

    Days on market

    0.6 mi

    Distance

  • $2,300,000 Sold

    2 weeks ago

    3 bd•1.75 ba•~1,900 sq ft•Single Family

    7529 SE 40th Street, Mercer Island, WA 98040

    21%

    Over list

    15

    Days on market

    0.7 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

Information and statistics derived from Northwest Multiple Listing Service. Source: Northwest Multiple Listing Service, as distributed by MLS GRID.

MLS GRID Disclaimer

Based on information submitted to the MLS GRID as of October 19, 2026 at 9:46 PM PT (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.

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© 2026 Northwest Multiple Listing Service. All rights reserved.

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