Date
Details
Price
Change
Source
10/23/2025
Listed
$1,695,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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1/13
$1,695,000 Sale Pending
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1/13
Property Description
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.
Full Property Details
Full Property Details for 4025 86th Ave SE
General
- Price: $1,695,000
- Taxes: $19 (2025)
- Status: Pending
- Type: Single Family
- Source: NWMLS
- MLS ID: 2444397
- Updated: 12/2/2025
- Added to Site: 87 day(s) ago
Interior
- Interior Features: Water Heater
- Flooring: Hardwood
Rooms
Bathrooms
- Total Bathrooms: 2
- Full Bathrooms: 1
- Half Bathrooms: 1
- Main Floor Baths: 2
- Main - 1/2 Baths: 1
Bedrooms
- Total Bedrooms: 2
- Bedrooms Main: 2
Additional Information
- Amenities: Fenced-Fully, Gas Available, Patio
- Security/Safety: Fully Fenced
Parking
- Parking Features: None
Location
- Area: 510 - Mercer Island
- County: King
- Subdivision: Mid Island
- Driving Directions: South on Island Crest Way, left on SE 40th St, Rt on 86th Ave SE. Property down on the right.
- Direction Faces: East
School Information
- High School District: Mercer Island
Heating & Cooling
- Air Conditioning: Yes
- Cooling Type: Forced Air, Wall Unit(s)
- Heating Type: Forced Air
- Water Heater: Gas
Utilities
- Sewer: Sewer Connected
- Water: Public
Structural Information
- Structure Type: House
- Exterior Const.: Brick, Wood
- Basement Desc.: None
- Roof: Composition
- Square Feet: 1,440
- Finished Total: 1,440 Sq. Ft.
- Year Built: 1953
Lot Features
- Property View: Territorial
- Lot Size (Acres): 0.3099
- Lot Size (Sq. Ft.): 13,500
- Lot Size Source: KCR
- Topography: Level
- Lot Features: Paved, Value In Land
Financial Considerations
- Tax Amount: $19
- Tax Year: 2025
- Terms: Cash Out, Conventional
Disclosures and Reports
- Special Conditions: None
- Property ID: 5450300180
- Lot Number: 12
Listed by Steven P. Craig | John L. Scott, Inc. | (425) 454-2437 and Johanna Craig | John L. Scott, Inc. | (425) 454-2437
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NMLS#: 1598647
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Schools
Schools serving 4025 86th Ave SE
School District:Mercer Island School District
| Name | Grades | Distance |
|---|---|---|
Northwood Elementary School, Mercer Island, WA 4030 86th Avenue Southeast, Mercer Island, WA 98040 | K-5 | 0.1 mi |
Islander Middle School 8225 Southeast 72nd Street, Mercer Island, WA 98040 | 6-8 | 2.5 mi |
Mercer Island High School 9100 Southeast 42nd Street, Mercer Island, WA 98040 | 9-12 | 0.3 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 4025 86th Ave SE
Tax History
Tax History for 4025 86th Ave SE
Year
Property Taxes
Change
Tax Assessment
Change
2024
$13
—
$1,438,000
-7%
2024
$13
8%
$1,540,000
100%
2022
$12
—
100%
2021
$12
-29%
-100%
2020
$17
89%
$856,000
2%
2019
$9
-31%
$840,000
10%
2018
$13
44%
$761,000
9%
2017
$9
—
$697,000
10%
2016
$9
-31%
$632,000
8%
2015
$13
86%
$585,000
2%
2014
$7
—
$573,000
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 4025 86th Ave SE
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- Single Family
- Active
- Updated 2 days ago
- 5Beds
- 5Total Baths
- 4,870Sq. Ft.
- Condo
- Active
- Updated 3 days ago
- 1Bed
- 1Total Bath
- 842Sq. Ft.
Listed by Svetlana Baranchuk (425) 319-5857
- Single Family
- Active
- Updated 1 day ago
- 4Beds
- 5Total Baths
- 4,006Sq. Ft.
Listed by Rache C. Boston | John L. Scott, Inc
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- Land Residential
- Active
- Updated 2 days ago
- 0.1837Acres
- Single Family
- Active
- Updated 1 day ago
- 4Beds
- 4Total Baths
- 2,927Sq. Ft.
Listed by Sonna Stanton | Teambuilder KW and Paul Hurme | Teambuilder KW
- Single Family
- Active
- Updated 3 days ago
- 4Beds
- 3Total Baths
- 1,520Sq. Ft.
Listed by Andrew Hayashi | eXp Realty and Karina Hayashi | eXp Realty
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- Single Family
- Closed
- 3Beds
- 2Total Baths
- 1,830Sq. Ft.
Listed by Jay Ohm | Realogics Sotheby's Int'l Rlty
Sold by Wen Xie | Providential Real Estate LLC and Binbin Lu | Providential Real Estate LLC
Sold by Wen Xie | Providential Real Estate LLC and Binbin Lu | Providential Real Estate LLC
- Single Family
- Closed
- 5Beds
- 4Total Baths
- 2,870Sq. Ft.
Listed by Richard L Chan | TEC Real Estate Inc.
Sold by Christine Lee | Kelly Right RE of Seattle LLC
Sold by Christine Lee | Kelly Right RE of Seattle LLC
- Single Family
- Closed
- 3Beds
- 1Total Bath
- 1,690Sq. Ft.
Listed by Krissy Ayad | Realogics Sotheby's Int'l Rlty and Robyn Kimura Hsu | Realogics Sotheby's Int'l Rlty
Sold by Kelly Kang | Realogics Sotheby's Int'l Rlty
Sold by Kelly Kang | Realogics Sotheby's Int'l Rlty
- Single Family
- Closed
- 4Beds
- 4Total Baths
- 3,110Sq. Ft.
Listed by Andrea Pirzio-Biroli | John L. Scott, Inc.
Sold by Wen Xie | Providential Real Estate LLC
Sold by Wen Xie | Providential Real Estate LLC
4025 86th Avenue SE, Mercer Island, WA 98040 (MLS# 2444397) is a Single Family property with 2 bedrooms, 1 full bathroom and 1 partial bathroom. 4025 86th Avenue SE is currently listed for $1,695,000 and was received on October 23, 2025. Want to learn more about 4025 86th Avenue SE? Do you have questions about finding other Single Family real estate for sale in Mercer Island? You can browse all Mercer Island real estate or contact a Coldwell Banker agent to request more information.