James & Angie Smith

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Listing provided courtesy of John L. Scott, Inc.NWMLSas Distributed by MLSGrid- MLS# NWM2444397MLS Provider

4025 86th Avenue SEMercer Island, WA 98040

Single Family · 2 Beds · 1 Full Bath · 1 Half Bath · 1,440 Sq. ft. | 0.31 Acres
$1,695,000 Pending

4025 86th Avenue SE Overview

Visits:
5

Prime 13,500 sq ft level lot on Mercer Island’s coveted north end! Perfectly oriented for both morning and evening sun, this expansive property offers endless possibilities—build your dream home or reimagine the existing structure to suit your vision. Currently used as a school, the home will need updates to convert back to residential use. Enjoy privacy and convenience near Northwood & West Mercer Elementary, MIHS, Boys & Girls Club, parks, indoor pool, and downtown Mercer Island. A rare, flat lot with incredible potential—bring your builder and architect! Home is occupied—appointment required to view.

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4025 86th Avenue SE Facts & Features

  • Type Single Family
  • Sq. ft. 1,440
  • Price/Sq.ft. $1,177
  • Lot 0.31 Acres

Details

General

Association/HOA

  • Association Fee: $0.00

School Information

  • School District: Mercer Island

Building Information

  • New Construction: No
  • Year Built: 1953

Location/Region

  • Country: US
  • County Or Parish: King
  • MLS Area Major: 510 - Mercer Island
  • Subdivision Name: Mid Island

Rent/Lease Information

  • Land Lease: No

Tax Information

  • Tax Annual Amount: $19.00
  • Tax Year: 2025

General Information

  • Listing Terms: Cash, Conventional
  • Parcel Number: 5450300180
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Senior Community: No
  • Special Listing Conditions: None

Interior

Building Information

  • Building Information: Built On Lot

Beds/Baths

  • Bathrooms Full: 1
  • Bathrooms Half: 1
  • Bathrooms Three Quarter: 0
  • Bathrooms Total: 2
  • Bedrooms Total: 2
  • Bedrooms Lower: 0
  • Bedrooms Upper: 0

Building Interior

  • Building Area Total: 1440
  • Building Area Units: Square Feet
  • Calculated Square Footage: 1440
  • Square Footage Finished: 1440
  • Square Footage Unfinished: 0

General Information

  • Basement: None
  • Cooling: Yes
  • Fireplace: No
  • Fireplaces Total: 0
  • Flooring: Hardwood
  • Heating: Yes
  • Interior Features: Water Heater
  • Levels: One
  • Living Area: 1440
  • Main Level Bathrooms: 2
  • Main Level Bedrooms: 2
  • Power Production Type: Electric,Natural Gas
  • Security Features: Fully Fenced

Exterior

Parking Information

  • Open Parking: No
  • Parking Features: None

Lot Information

  • Irrigation Water Rights: No
  • Lot Features: Paved, Value In Land
  • Lot Size Acres: 0.3099
  • Lot Size Square Feet: 13500
  • Lot Size Units: Square Feet
  • Site Features: Fenced-Fully, Gas Available, Patio
  • Topography: Level
  • Elevation Units: Feet
  • Water Source: Public

Waterfront/View

  • Waterfront: No

Building Exterior/Construction

  • Attached Garage: No
  • Direction Faces: East
  • Roof: Composition
  • Structure Type: House

General Information

  • Carport: No
  • Covered Spaces: 0
  • Exterior Features: Brick, Wood
  • Sewer: Sewer Connected

Room Information

Room: Bathroom Full

  • Level: Main

Room: Bathroom Half

  • Level: Main

Room: Bedroom

  • Level: Main

Room: Primary Bedroom

  • Level: Main

4025 86th Avenue SE Neighborhood

Community

98040 (Mercer Island) Demographics

46
Median Age
2,001
Population Density (per sq. mile)
82%
College Educated
$150,506
Estimated Median Income
6,779
Estimated Total Home Owners
3,349
Estimated Total Renters
67% / 33%
Estimated Owner / Renter Divide
3
Estimated Average Household Size
Community data courtesy of LiveBy, Inc.

Schools

School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

4025 86th Avenue SE Monthly Cost

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* All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

4025 86th Avenue SE Market Data

Based on the last 30 days in this zip code

$4,213,066
Average List Price
$1,190
Average Price per Square Foot
19
Properties Sold
61
Average Days on Market
107
Properties for Sale
Calculations provided by Reliance Network

4025 86th Avenue SE History

Date Event Value Agent
1/30/2026Source: NWMLS Status Change
Pending
1/30/2026Source: NWMLS Status Change
Pending
12/2/2025Source: NWMLS Status Change
Pending Feasibility
12/1/2025Source: NWMLS Status Change
Pending Feasibility
10/23/2025Source: NWMLS Added to Database
October 23, 2025
10/23/2025Source: NWMLS Added to Database
October 23, 2025