$4,098,000
Est. $22,520/mo4 bd•3.5 ba•4,120 sq ft
8270 SE 31st Street, Mercer Island, WA 98040
• Listed Sep 30, 2026•23 days active · 23 cumulative
Listing Broker: Real Residential; Michele Schuler; 206-992-2013; michele@theschulerteam.com
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Listing Broker: Real Residential; Michele Schuler; 206-992-2013; michele@theschulerteam.com
About this home
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.
Listed by Michele Schuler • Real Residential
Listing updated: October 19, 2026 at 03:12pm
RexMont checked: moments ago
Source: NWMLS as Distributed by MLS Grid #2549087
Around this home
How much should you offer?
8270 SE 31st Street, Mercer Island, WA 98040
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
- 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 Generator
- 2 fireplaces (gas)
- Finished basement
Kitchen
- Dishwasher
- Disposal
- Double Oven
- Dryer
- Microwave
- Refrigerator
- Stove(s)/Range(s)
- Tankless Water Heater
- Washer
Bedrooms
- 4 bedrooms total
- 2 on the main level
- 2 on the lower level
Bathrooms
- 2 full bathrooms
- 2 three-quarter bathrooms (shower, no tub)
- 3.5 bathrooms total (NWMLS count)
- 2 on the main level
Layout
- 1 Story w/Bsmnt.
- 4,120 sq ft finished
- 620 sq ft garage
Flooring
- Ceramic Tile
- Hardwood
- See Remarks
- Carpet
Heating & cooling
- 90%+ High Efficiency heating
- Forced Air heating
- Radiant heating
- Recirculation Pump heating
- Central Air cooling
- Forced Air cooling
Schools
Ratings via SchoolDiggerMercer Island School District
- Northwood Elementary SchoolPublic · Grades PK-5 · State rank 59 of 1,13810/10
- Islander Middle SchoolPublic · Grades 6-8 · State rank 9 of 51410/10
- Mercer Island High SchoolPublic · Grades 9-12 · State rank 2 of 39610/10
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
- Partial Slope
- Vegetation
- Garden Space
- Zoning code
- R9600
- Zoning jurisdiction
- City
Systems
- Energy source
- Electric,Natural Gas
- Power production
- Electric, Natural Gas
- Water heater
- Tankless
- Water heater location
- Garage
- Power company
- Puget Sound Energy
- Water company
- City of Mercer Island
- Sewer company
- City of Mercer Island
- Gas company
- Puget Sound Energy
- Irrigation water rights
- No
- Internet connected
- Xfinity
- Cable connected
- Xfinity
Rooms & extras
- Bathtubs
- 2
- Showers
- 4
- Fireplaces on main
- 1
- Fireplaces lower level
- 1
New construction
- Builder
- MI 84th Limited Partnership
- 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.
Opens with the report above.
Sales & Tax Records for 8270 SE 31st Street
NWMLS via MLS Grid · King County AssessorEvery 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.
- Sep 9, 2026ListedNWMLS via MLS Grid · #2549087$4,098,000$995/sq ft
- Jun 14, 2019SoldNWMLS via MLS Grid · #1365062$3,100,000$752/sq ft
- May 7, 2019PendingNWMLS via MLS Grid · #1365062$3,268,000$793/sq ft
- Sep 24, 2018ListedNWMLS via MLS Grid · #1365062$3,268,000$793/sq ft
Mortgage payment forecast
$25,646 per month
Great rateTakes about 5 minutes & won't affect your credit
Get pre-approvedSource: 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: Real Residential; Michele Schuler; 206-992-2013; michele@theschulerteam.com
Market pulse
Mercer Island is a balanced market.
Supply and demand are roughly in balance. Neither side has a clear edge.
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 72 days.
Recent sales nearby
Within 1 mile · last 6 months$3,915,000 Sold
1 week ago
5 bd•3.25 ba•~4,130 sq ft•Single Family
3045 71st Avenue SE, Mercer Island, WA 98040
12%
Over list
35
Days on market
0.7 mi
Distance
$1,585,000 Sold
2 weeks 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
0.8 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
$2,300,000 Sold
3 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
$1,852,500 Sold
3 weeks ago
4 bd•3 ba•~3,490 sq ft•Single Family
6605 SE 24th Street, Mercer Island, WA 98040
7%
Under list
12
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.
Want a deeper read on this market?
Ask a RexMont agentMarket 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 23, 2026 at 7:42 AM 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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