8270 SE 31st Street Mercer Island, WA $ 4,098,000
8270 SE 31st Street
$ 4,098,000
Open House 10/3 12pm - 3pm
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8270 SE 31st Street

Mercer Island, WA, 98040
$ 4,098,000
Bedrooms4 Baths4.0 Sq 4,120

Monthly Estimate*

$ 25,875

Listed by Real Residential
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Single Family Home for sale in Mercer Island, WA

for $4,098,000 with 4 bedrooms and 4 full baths. This 4,120 square foot home was built in 2018 on a lot size of 0.2219.

A rare offering in new construction: true one-story living + a full daylight lower level in Summerwell, a bespoke community of custom homes designed by McCullough Architects. Truly an architectural masterpiece of incomparable fit & finish, bathed in abundant natural light from sunrise to sunset. Soaring 10-14' ceilings + clerestory windows crown the open concept main level, where the dramatic great room w/fireplace + gracious dining flow seamlessly into a chef's kitchen w/pro Miele appliances, Poggenpohl cabinetry + walk-in pantry. An entertainment deck extends the main level outdoors, ideal for effortless hosting + everyday relaxation. The main floor primary suite + second bedroom/office deliver the single-level ease so rarely found in new homes - perfect for those right-sizing without compromise, multigenerational flexibility, or simply planning ahead. The lower level is made for guests + gathering: 2 private guest suites (both ensuite) offer comfort + autonomy for visitors, while a generous rec room, dedicated media room + versatile flex room stand ready for movie nights, a home gym, hobbies, or work-from-home days. Step out to the covered outdoor living area w/its own fireplace + savor true year-round indoor-outdoor living, rain or shine. Wonderfully integrated spaces, sophisticated finishes + a floorplan that simply works: single-level ease up top, room for everyone to spread out below. A one-of-a-kind residence designed for you to love where you live.

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Open House

10/3/2026 12:00 PM - 3:00 PM
8270 SE 31st Street Mercer Island, WA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 4,098,000

Bedrooms

4

Full Bath

4

Property Type

Single Family

Taxes

$ 24,209

Style

1 Story w/Bsmnt.

Lot Size

0.2219

Year Built

2018

Town/City

Mercer Island

County/Region

King

MLS | Web ID

2549087

Features
General
Living Area 4120
Sewer Sewer Connected
Heating 90%+ High Efficiency Forced Air Radiant Recirculation Pump
Cooling Central Air Forced Air
Possession Closing Negotiable See Remarks
Roof Metal
Appliances Dishwasher Disposal Double Oven Dryer Microwave Refrigerator Stove(s)/Range(s) Tankless Water Heater Washer
HOA Fee 83.33
Association Fee Includes Common Area Maintenance See Remarks
Security Features Partially Fenced
Year Built 2018
View Territorial
Topography Partial Slope
Levels One
Property Subtype Single Family Residence
Tax Year 2026
Community Features CCRs
Assoc Fee Paid Per Monthly
County King
New Construction N
Property Type Residential
HOA Y
Attached Garage Y
Subdivision Name Mercer Island
Garage Y/N Y
Full Baths 2
Special Listing Conditions None
Status Active
Directions From I-90 (Island Crest exit). Head South on Island Crest Way / Left (East) on SE 28th St. 28th turns into 84th Ave SE. Summerwell development on RIGHT
High School Mercer Isl High
City Mercer Island
Entry Location Main
Senior Community Y/N N
High School District Mercer Island
MLS Area 510 - Mercer Island
Lot Size Units Square Feet
Lot Size Square Feet 9664
Carport Y/N N
Listing Terms Cash Conventional See Remarks
Elementary School Northwood Elem
Land Lease Y/N N
Tax Annual Amount 24209
Middle/Junior High School Islander Mid
Property Condition Very Good
Public Remarks A rare offering in new construction: true one-story living + a full daylight lower level in Summerwell a bespoke community of custom homes designed by McCullough Architects. Truly an architectural ma
Virtual Tour https://my.matterport.com/show/?m=KDNeb6CXEFb&brand=0
Structure Type House
Building Area Units Square Feet
Builder Name MI 84th Limited Partnership
Standard Status Active
Water Company City of Mercer Island
Property Style 16 - 1 Story w/Bsmnt.
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Interior
Interior Amenities Bath Off Primary Dbl Pane/Storm Window Dining Room Fireplace Fireplace (Primary Bedroom) High Tech Cabling Pantry Skylight(s) Vaulted Ceiling(s) Walk-In Closet(s) Water Heater Wine Cellar Wired for G
Basement Finished
Flooring Ceramic Tile Hardwood See Remarks Carpet
Total Fireplaces 2
Fireplace Features Gas
Air Conditioning Y/N Y
Heating Y/N Y
Fireplace Y/N Y
Half Baths 0
3/4 Baths 2
Total Bedrooms 4
Main Level Bedrooms 2
Total Baths 4
Water Heater Type Tankless
Water Heater Location Garage
Fireplaces Main 1
Fireplaces Lower 1
Power Production Type Electric Natural Gas
Baths Three Quarter Garage 0
Baths Three Quarter Lower 1
Baths Three Quarter Main 1
Baths Three Quarter Upper 0
Bedrooms Lower 2
Bedrooms Upper 0
Baths Half Upper 0
Baths Half Main 0
Baths Half Lower 0
Baths Half Garage 0
Baths Full Upper 0
Baths Full Main 1
Baths Full Lower 1
Baths Full Garage 0
Bathrooms 3.5
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Exterior
Exterior Amenities Cement Planked Stone Wood
Vegetation Garden Space
Parking Features Attached Garage
Lot Features Cul-De-Sac Curbs Dead End Street Paved Sidewalk
Water Source Public
Total Parking 2
Inclusions Dishwasher(s) Double Oven Dryer(s) Garbage Disposal Leased Equipment Microwave(s) Refrigerator(s) Stove(s)/Range(s) Washer(s)
Foundation Details Poured Concrete
Building Area Total 4120
Lot Size Acres 0.2219
Waterfront Y/N N
Covered Spaces 2
Irrigation Water Rights Y/N N
Site Features Cable TV Deck Electric Car Charging Fenced-Partially Gas Available High Speed Internet Patio Sprinkler System
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Internal Only
OriginalMLSID NWM2549087
Street Number 1 8270
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* Excluded Features
List By
Michele Schuler

Listing Agent

Real Residential

Broker

michele@theschulerteam.com

Email

Affordability Calculator

$27,893
Per Month
93%
7%
0%
Monthly Principal & Interest
$25,875
Monthly Property Taxes
$2,017
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
3611445 Elementary School
1853914 Middle School
Mercer Isl High High School
Pricing History
DatePricePrice ChangeDescription
9/9/2026$4,098,000 Listed Price

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8270 SE 31st Street, Mercer Island, WA, 98040 is a Single Family Home for sale at $4,098,000 with 4,120 sqft and a lot size of 0.2219. 8270 SE 31st Street has 4 bedrooms, 4.0 baths, and was built in 2018. The property's zip code is 98040 which is in Mercer Island, WA