8260 SE 31st Street, Mercer Island, WA 98040

Mercer Island
Local realty services provided by:Better Homes and Gardens Real Estate Realty Partners
Listed by: allison w. trull, lisa t. boyd
Office: coldwell banker bain
MLS#:2485131
Source:NWMLS
8260 SE 31st Street,Mercer Island, WA 98040
$4,250,000
  • 4 Beds
  • 5 Baths
  • 4,863 sq. ft.
  • Single family
  • Active
Upcoming open houses
  • Sat, Feb 28
    02:00 pm - 04:00 pm
  • Sun, Mar 01
    01:00 pm - 03:00 pm

Price summary

  • Price:$4,250,000
  • Price per sq. ft.:$873.95
  • Monthly HOA dues:$83

About this home

A chosen position within the award winning neighborhood of Summerwell. 16 homes custom designed to align with nature and connect to their sites. This 4,863 sf home envelopes its surroundings while channeling the energy that striking design illuminates. Floating walnut stairs, soaring spaces, a silhouette of symmetry in design, the stalwarts of stellar architecture that doubles as art as McCullough design does so seamlessly. Beyond its pedigree, a well designed floorplan offers the flexibility for life. Ease of entertaining on the main floor that opens on both sides to the outdoors where stone fireplaces, year round spaces and verdant backdrops merge. A guest suite/office reside in tandem with the three quarter bath. Upstairs the primary suite, two additional suites, laundry and bonus room provide privacy and interaction. The lower level is host to a theatre/flex room, mud room, oversized gym (extra 239 sf additionally), half bath and three car garage with EV charging outlet.

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Home facts

  • Year built:2018
  • Listing ID #:2485131
  • Updated:February 27, 2026 at 04:43 AM

Rooms and interior

  • Bedrooms:4
  • Total bathrooms:5
  • Full bathrooms:2
  • Half bathrooms:1
  • Flooring:Carpet, Ceramic Tile Floor, Engineered Hardwood
  • Kitchen Description:Disposal
  • Bedroom Description:Main Level Bedrooms : 1, Upper Level Bedrooms : 3
  • Basement:Yes
  • Basement Description:Finished
  • Living area:4,863 sq. ft.

Heating and cooling

  • Cooling:Central A/C
  • Heating:90%+ High Efficiency, Forced Air, Hot Water Recirc Pump, Radiant

Structure and exterior

  • Roof:Built Up
  • Year built:2018
  • Building area:4,863 sq. ft.
  • Lot area:0.25 Acres
  • Lot Features:Curbed Lot, Dead-end Street, Paved, Sidewalk
  • Architectural Style:Modern
  • Construction Materials:Cement/Concrete Exterior Finish, Wood Exterior Finish
  • Exterior Features:Deck, Fenced-Partially, Patio, Sprinkler System
  • Foundation Description:Finished
  • Levels:2 Story

Schools

  • High school:Buyer To Verify
  • Middle school:Islander Mid
  • Elementary school:Buyer To Verify

Utilities

  • Water:Public
  • Sewer:Sewer Connected

Finances and disclosures

  • Price:$4,250,000
  • Price per sq. ft.:$873.95
  • Tax amount:$26,855 (2025)

Features and amenities

  • Amenities:Cable TV, Ceiling Fan(s), Electric Car Charging, Gas Available, High Speed Internet, Sprinkler System, Vaulted Ceilings, Walk-In Closet(s), Walk-In Pantry, Water Heater, Wired for Generator
MLS LogoListings courtesy of Northwest MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of February 27, 2026. 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 is provided for consumers' personal, non-commercial use, solely to identify prospective properties for potential purchase; all other use is strictly prohibited and may violate relevant federal and state law. Information deemed reliable but not guaranteed. Copyright © 2026 MLS GRID. All Rights Reserved.

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