This home's estimate is 138.8% higher than the average sale price ($5.18M) of 6 comparable homes.
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- Sale & tax history
- Property details
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42721 R Undisclosed, Mercer Island, WA 98040
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Market trends in 98040, WA
Last updated July 2026
Buyer's Market
Seller's Market
Seller's market
- $2,100,0004 beds2.5 baths3,120 sq ft7921 E Mercer Way, Mercer Island, WA 98040Grace Currier • Windermere Real Estate/East
- OPEN TODAY, 1PM TO 4PM$3,785,0004 beds4.5 baths5,140 sq ft4715 81st Ave SE, Mercer Island, WA 98040Lori Scott • John L. Scott, Inc.
- $409,0002 beds1 bath866 sq ft3055 80th Ave SE #107, Mercer Island, WA 98040Gerald Chew • Coldwell Banker Bain
- VIDEO TOUR$5,586,0005 beds5.5 baths6,140 sq ft3410 W Mercer Way, Mercer Island, WA 98040Janice Cai • Windermere Bellevue Commons
- OPEN TODAY, 1PM TO 4PM$649,0002 beds2 baths1,145 sq ft3218 80th Ave SE #6, Mercer Island, WA 98040Stacey Koutlas • Coldwell Banker Danforth
- OPEN TODAY, 1PM TO 4PM$1,895,0003 beds2 baths1,400 sq ft2434 73rd Ave SE, Mercer Island, WA 98040Lori Scott • John L. Scott, Inc.
- $2,100,0004 beds3 baths3,180 sq ft4859 86th Ave SE, Mercer Island, WA 98040Sam Chapin • Engel & Voelkers Mercer Island
- OPEN TODAY, 1PM TO 4PM$3,495,0005 beds4.5 baths4,580 sq ft7429 E Mercer Way, Mercer Island, WA 98040Lori Scott • John L. Scott, Inc.
- 3D WALKTHROUGH$3,250,0005 beds3 baths3,050 sq ft8340 Avalon Dr, Mercer Island, WA 98040Marc Khalili Moftakhari Khalil • Windermere Bellevue Commons
- OPEN TODAY, 1PM TO 4PM$3,550,0005 beds5.5 baths4,901 sq ft2227 77th Ave SE, Mercer Island, WA 98040Grace Yu • The Agency Seattle/Eastside
See all
Provided by Redfin
Sale history for 42721 R Undisclosed
$1,710/sq ft
$1,710/sq ft
As the MLS and public records start to fill up, we'll list the details here.
Public record
Property details
Parking
- Parking Information
- Covered Spaces: 4
- Garage Spaces: 4
- Has Attached Garage
- Has Garage
Interior
- Bedroom Information
- # of Bedrooms: 5
- # of Beds Upper: 4
- # of Bedrooms Main: 1
- Bedrooms Possible: 5
- Bathroom Information
- # of Full Baths (Total): 7
- # of Half Baths (Total): 2
- # of Full Baths (Upper): 5
- # of Full Baths (Main): 2
- # of Half Baths (Main): 2
- Room 1 Information
- Room Type: Bonus Room
- Room Level: Upper
- Room 2 Information
- Room Type: Den/Office
- Room Level: Main
- Room 3 Information
- Room Type: Dining Room
- Room Level: Main
- Room 4 Information
- Room Type: Entry Hall
- Room Level: Main
- Room 5 Information
- Room Type: Kitchen With Eating Space
- Room Level: Main
- Room 6 Information
- Room Type: Living Room
- Room Level: Main
- Room 7 Information
- Room Type: Primary Bedroom
- Room Level: Upper
- Room 8 Information
- Room Type: Rec Room
- Room Level: Upper
- Room 9 Information
- Room Type: Utility Room
- Room Level: Upper
- Room 10 Information
- Room Type: Bedroom
- Room Level: Upper
- Room 11 Information
- Room Type: Bedroom
- Room Level: Upper
- Room 12 Information
- Room Type: Bedroom
- Room Level: Upper
- Room 13 Information
- Room Type: Bedroom
- Room Level: Main
- Room 14 Information
- Room Type: Bathroom Full
- Room Level: Upper
- Room 15 Information
- Room Type: Bathroom Full
- Room Level: Upper
- Room 16 Information
- Room Type: Bathroom Full
- Room Level: Upper
- Room 17 Information
- Room Type: Bathroom Full
- Room Level: Upper
- Room 18 Information
- Room Type: Bathroom Full
- Room Level: Upper
- Room 19 Information
- Room Type: Bathroom Full
- Room Level: Main
- Room 20 Information
- Room Type: Bathroom Full
- Room Level: Main
- Basement Information
- Basement Features: None
- Fireplace Information
- Has Fireplace
- # of Fireplaces: 4
- # of Fireplaces Upper: 2
- # of Fireplaces Main: 2
- Heating & Cooling
- Has Cooling
- Interior Features
- Interior Features: Forced Air, Central A/C, Ceramic Tile, Hardwood, Wall to Wall Carpet, Wet Bar, Built-In Vacuum, Dining Room, High Tech Cabling, Hot Tub/Spa, Jetted Tub, Security System, Skylight(s), Walk-in Closet(s), Fireplace
- Appliances: Double Oven, Dryer, Trash Compactor, Washer
- Flooring: Ceramic Tile, Hardwood, Carpet
- Appliances Included: Dishwasher,Double Oven,Dryer,Garbage Disposal,Microwave,Range/Oven,Refrigerator,Trash Compactor,Washer
Exterior
- Building Information
- Building Information: Built On Lot
- Roof: Composition
- Exterior Features
- Exterior Features: Wood
- Pool Information
- Has Spa
- Waterfront Information
- On Waterfront
- Waterfront Features: No Bank
- Property Information
- Energy Source: Natural Gas
- Sq. Ft. Finished: 7,150
- Style Code: 12 - 2 Story
- Property Type: Residential
- Property Sub Type: Single Family Residence
- Has View
- Lot Information
- MLS Lot Size Source: KCAR
- Site Features: Cable TV,Dock,Gas Available,High Speed Internet,Sprinkler System
- Lot Features: Paved
- Lot Size Units: Square Feet
- Lot Size Acres: 0.4831
- Elevation Units: Feet
Financial
- Tax Information
- Tax Annual Amount: $82,938
- Tax Year: 2020
- Financial Information
- Buyer Financing: Cash
Utilities
- Utility Information
- Water Source: Public
- Water Company: City of MI
- Power Company: PSE
- Sewer: Sewer Connected
- Sewer Company: City of MI
- Utilities: Cable Connected, High Speed Internet, Natural Gas Available, Sewer Connected, Natural Gas Connected
Location
- Multi-Unit Information
- Furnished: Unfurnished
- School Information
- Elementary School: Buyer To Verify
- Middle Or Junior High School: Islander Mid
- High School: Mercer Isl High
- High School District: Mercer Island
- Location Information
- Topography: Level
Public facts
- Beds: —
- Baths: —
- Sq. Ft.: —
- Stories: —
- Lot Size: —
- Style: Single Family Residential
- Year Built: —
- Year Renovated: —
- County: King County
- APN: 42721R
Other
- Listing Information
- Mls Status: Sold
- Listing Date Information
- On Market Date: Wednesday, April 21, 2021
- Green Information
- Power Production Type: Natural Gas
- Home Information
- Living Area: 7,150
- Living Area Units: Square Feet
- Calculated Square Footage: 7150
- MLS Square Footage Source: KCAR
- Building Area Total: 7150
- Building Area Units: Square Feet
- Foundation Details: Poured Concrete
- Structure Type: House
- Levels: Two
- Entry Location: Main
Around this home
Schools
Public PreK-5 • 1.0mi
Public 9-12 • 0.9mi
Public PreK-5 • 0.8mi
Lifestyle
Provided by Walk Score and Local Logic
Sun exposure
In this area, properties receive around 8.8 hours in June and 1.7 hours in December, placing it below the U.S. average for solar exposure.
Nearby similar homes
New listings for sale in 98040
Home values near 42721 R Undisclosed
| Address | Redfin Estimate |
|---|---|
4 Beds | 4 Baths | 5000 Sq. Ft. | $8,026,695 |
3 Beds | 3.5 Baths | 3920 Sq. Ft. | $5,631,332 |
| Address | Redfin Estimate |
|---|---|
5 Beds | 4 Baths | 3260 Sq. Ft. | $4,592,092 |
4 Beds | 4.5 Baths | 4987 Sq. Ft. | $6,302,725 |
| Address | Redfin Estimate |
|---|---|
5 Beds | 6 Baths | - Sq. Ft. | $8,825,407 |
3 Beds | 2 Baths | 1400 Sq. Ft. | — |
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