Sold172d on market
4021 91st Avenue SE
Mercer Island, WA, 98040 • 98040 • King County
$3,360,000
$913/sqft
5Beds
4Baths
3,680Sqft
0.22 acLot
2015Built
Property DNA
Territorial Views
Territorial
Northwest Contemporary Style
Built 2015 · 11 years of history
North End
98040
Outdoor Living
Second Primary Bedroom · Bath Off Primary · Double Pane/Storm Window · Dining Room · Fireplace · Security System · Skylight(s) · Sprinkler System · Walk-In Closet(s) · Walk-In Pantry · Water Heater
1 Fireplace
Gas · Main Level: 1 · Fireplace
3-Car Garage
Attached Garage
Ceramic Tile & Engineered Hardwood Floors
Quality flooring throughout
This home is in high demand
Listed 172 days ago · 25 views · Top 4% likely to sell soon
Market activity
Demand and pricing signals for this listing
25 views
People checking out this listing
172 days on market
Established listing
$913/sqft
Price per square foot
Selling Soon Prediction
Very HighThis home ranks in the top 4% of listings most likely to go under contract soon, based on market activity and demand signals.
Likelihood score
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About this home
Single Family · Built 2015
Enjoy the best of island living in this impeccably crafted North End home, tucked away on a quiet street just minutes from both Bellevue and Seattle. The main level features 10' ceilings, expansive windows, and a chef’s kitchen with seamless flow into elegant living spaces. A main-floor guest suite offers flexibility. Upstairs includes four bedrooms, including a luxe primary suite with spa-like bath, and a spacious bonus room. The flat backyard invites outdoor entertaining. Upgrades include hardwood floors throughout, EV charger, whole-house generator for peace of mind, Sonos system, and custom California Closets. Walk to Northwood Elementary and MIHS. A rare blend of style, function, and convenience in an award-winning school district.
Standout features identified
Our analysis highlights flat backyard, main-floor guest suite, and hardwood floors as key attractions of this home.
Estimated monthly payment
Based on current rates
$20,922/month
Principal & Interest$16,442
Property Tax$3,360
Insurance$1,120
Down payment20% ($672,000)
3%50%
Est. 6.19% rate · 30yr fixed · $2,688,000 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built2015
HeatingFireplace, 90%+ High Efficiency, Forced Air, Electric, Natural Gas
Cooling90%+ High Efficiency, Forced Air, Heat Pump, HEPA Air Filtration
Parking3 Attached Garage spaces
Lot9,448 sqft
Offer Review Date2025-06-03
Property
Home typeSingle Family
Sub-typeSingle Family Residence
StyleNorthwest Contemporary
ConditionVery Good
Year built2015
Stories2
Systems
HeatingFireplace, 90%+ High Efficiency, Forced Air, Electric, Natural Gas
Cooling90%+ High Efficiency, Forced Air, Heat Pump, HEPA Air Filtration
RoofComposition
ConstructionCement Planked, Stone, Cement Plank
Water / SewerPublic, Company: City of Mercer Island / Sewer Connected, Company: City of Mercer Island
Parking & Outdoor
ParkingAttached Garage
Garage3 spaces
BasementNone
Fireplaces1
Lot9,448 sqft
Location & Tax
Neighborhood98040
Annual tax$19,264
Parcel8062300015
Bathrooms & Fees
Full baths2
Features & details
14 categories of property features
Interior Features
Interior
Bath Off Primary
Dining Room
Appliances
Dishwasher(s)
Disposal
Dryer(s)
Microwave(s)
Refrigerator(s)
Stove(s)/Range(s)
Washer(s)
Garbage Disposal
Water Heater: Tankless
Water Heater Location: Garage
Flooring
Ceramic Tile
Engineered Hardwood
Heating
Fireplace
90%+ High Efficiency
Forced Air
Electric
Natural Gas
Cooling
90%+ High Efficiency
Forced Air
Heat Pump
HEPA Air Filtration
Fireplace
Gas
Main Level: 1
Fireplace
Windows
Double Pane/Storm Window
Skylight(s)
Exterior Features
Parking
Attached Garage
Construction
Cement Planked
Stone
Cement Plank
Patio & Porch
Second Primary Bedroom
Bath Off Primary
Double Pane/Storm Window
Dining Room
Fireplace
Security System
Skylight(s)
Sprinkler System
Walk-In Closet(s)
Walk-In Pantry
Water Heater
Lot Features
Cable TV
Electric Car Charging
Fenced-Fully
High Speed Internet
Irrigation
Patio
Sprinkler System
Security
Security System
Views
Territorial
Utilities
Directv
Comcast
Room details
14 rooms detailed
Master Bedroom
Bedroom
Bedroom
Bedroom
Bedroom
Bathroom Full
Listing insights
Market data and value estimates
StatusSold
Days on market172
Est. value$3,412,700
Est. rent$7,302/mo
Tax rate0.82%
Price/sqft$913
On marketNov 12, 2025
PostedMay 29, 2025
Last sold$3,360,000
MLS statusSold
MLS updatedNov 17, 2025
Tour days6
Views25
How are the schools in Mercer Island?
3 schools rated nearby
Location
Mercer Island, WA, 98040
Price history
9 events
DateEventPrice$/sqftSource
Oct 17, 2025Sold$3,360,000$913NWMLS as distributed by MLS GRID
Oct 13, 2025Pending Sale$3,349,000$910NWMLS as distributed by MLS GRID
Aug 19, 2015Sold$1,795,000$488NWMLS as distributed by MLS GRID
Jul 23, 2015Pending Sale$1,795,000$488Keller Williams - Bellevue Puget Sound
Jun 27, 2015Listed For Sale$1,795,000$488Keller Williams Realty Bellevue
Jun 5, 2014Sold$640,000$174NWMLS as distributed by MLS GRID
Apr 24, 2014Pending Sale$640,000$174John L Scott Real Estate
Apr 12, 2014Price Change$640,000$174John L Scott Real Estate
Mar 8, 2014Listed For Sale$660,000$179John L Scott Real Estate
Sold$3,360,000
Oct 17, 2025•$913/sqft•NWMLS as distributed by MLS GRID
Pending Sale$3,349,000
Oct 13, 2025•$910/sqft•NWMLS as distributed by MLS GRID
Sold$1,795,000
Aug 19, 2015•$488/sqft•NWMLS as distributed by MLS GRID
Pending Sale$1,795,000
Jul 23, 2015•$488/sqft•Keller Williams - Bellevue Puget Sound
Listed For Sale$1,795,000
Jun 27, 2015•$488/sqft•Keller Williams Realty Bellevue
Sold$640,000
Jun 5, 2014•$174/sqft•NWMLS as distributed by MLS GRID
Pending Sale$640,000
Apr 24, 2014•$174/sqft•John L Scott Real Estate
Price Change$640,000
Apr 12, 2014•$174/sqft•John L Scott Real Estate
Listed For Sale$660,000
Mar 8, 2014•$179/sqft•John L Scott Real Estate
Tax history
21 years of records
YearTax paidAssessed value
Apr 8, 2024$19,265$2,941,000
Apr 8, 2023$19,021$2,762,000
Apr 8, 2022$18,951$3,089,000
Apr 8, 2021$17,009$2,309,000
Apr 8, 2020$16,326$2,039,000
Apr 8, 2019$17,777$2,250,000
Apr 8, 2018$16,558$2,203,000
Apr 8, 2017$17,250$1,988,000
Apr 8, 2016$5,249$1,850,000
Apr 8, 2015$5,249$1,905,000
Apr 8, 2014$5,249$599,000
Apr 8, 2013$5,249$540,000
Apr 8, 2012—$498,000
Apr 8, 2011—$492,000
Apr 8, 2010—$532,000
Apr 8, 2009—$532,000
Apr 8, 2007—$461,000
Apr 8, 2006—$428,000
Apr 8, 2005—$390,000
Apr 8, 2001$3,130$327,000
Apr 8, 2000$3,138$297,000
Nearby homes
Neighborhood details
Local context around this listing
Mercer Island, WA • King County
Nearby cities
AuburnBellevueBothellFederal WayKentKirklandRedmondRenton
Nearby zip codes
98040
Similar homes
Based on information submitted to the MLS GRID as of 2026-04-07 21:39:02 PDT. 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. [Click here for more information](/mls-disclaimers/#39)
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