Sold48d on market
23970 SE 40th Place
Issaquah, WA, 98029 • Klahanie • King County
$1,780,000
$645/sqft
4Beds
3Baths
2,760Sqft
0.16 acLot
1990Built
Property DNA
Issaquah/Sammamish
Klahanie
Outdoor Living
Bath Off Primary · Ceiling Fan(s) · Dining Room · Fireplace · French Doors · Hot Tub/Spa · Sprinkler System · Triple Pane Windows · Vaulted Ceiling(s) · Walk-In Closet(s) · Water Heater · Wet Bar · Wine/Beverage Refrigerator
2 Fireplaces
Gas · Main Level: 2 · Fireplace
Garage
Attached Garage
Hardwood & Stone Floors
Quality flooring throughout
This home is in high demand
Listed 48 days ago · 77 views · Top 9% likely to sell soon
Market activity
Demand and pricing signals for this listing
77 views
People checking out this listing
48 days on market
Established listing
$645/sqft
Price per square foot
Selling Soon Prediction
Very HighThis home ranks in the top 9% of listings most likely to go under contract soon, based on market activity and demand signals.
Likelihood score
Want the full market analysis?
Get the detailed selling prediction score, comparable sales data, and price trend forecast for this property.
Free · Delivered to your inbox in minutes
About this home
Single Family · Built 1990
Welcome to this beautifully remodeled 4-bedroom, 2.5 bath home in sought-after Summer Pond. The home makes an immediate impression w/ the professionally landscaped yard, rock bubbler, & custom lighting. Step through the double doors into a light-filled living & dining room w/ soaring vaulted ceilings & newly refinished hardwood floor. French doors off the entry lead to a generous sized main floor office. Continue to the inviting family room w/ custom built-in cabinet & gas fireplace insert. Chef’s kitchen is the heart of the home, featuring an impressive 9 1/2 foot island, cherry cabinetry, SS appliances including a freestanding 6-burner Viking range and hood, insta-hot, & a 2nd electric oven. Upstairs, you will find an oversized retreat-like primary suite w/ a vaulted ceiling and luxurious five-piece primary bathroom w/ limestone tile, cherry cabinetry, & custom closet. 2 additional bedrooms, a guest bath, plus an oversized 4th bedroom that could be a bedroom, bonus, media, or playroom. The kitchen leads to your own private oasis featuring a lg paver patio, a tranquil stream, waterfall & pond, surrounded by abundant garden space, mature fruit trees, grass area & room to relax or entertain. A flagstone walkway leads to the hot tub & a garden shed for tools and gear. This exceptional home blends comfort, functionality, & serene indoor-outdoor living in one remarkable setting. Home is close to shopping, P&R, MSFT Connector and I-90. Issaquah School District. 1-YR AHS Warranty
Standout features identified
Our analysis highlights gas fireplace insert, mature fruit trees, and professionally landscaped yard as key attractions of this home.
Estimated monthly payment
Based on current rates
$11,084/month
Principal & Interest$8,710
Property Tax$1,780
Insurance$593
Down payment20% ($356,000)
3%50%
Est. 6.19% rate · 30yr fixed · $1,424,000 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built1990
HeatingFireplace, 90%+ High Efficiency, Forced Air, Electric, Natural Gas
Parking2 Attached Garage spaces
Lot7,004 sqft
Offer Review Date2026-01-19
Property
Home typeSingle Family
Sub-typeSingle Family Residence
ConditionVery Good
Year built1990
Stories2
Systems
HeatingFireplace, 90%+ High Efficiency, Forced Air, Electric, Natural Gas
RoofComposition
ConstructionCement Planked, Wood Siding, Cement Plank
Water / SewerPublic, Company: Sammamish Plateau Water / Sewer Connected, Company: Sammamish Plateau Water
Parking & Outdoor
ParkingAttached Garage
BasementNone
Fireplaces2
Lot7,004 sqft
Location & Tax
NeighborhoodKlahanie
Annual tax$11,739
Parcel8078380170
Bathrooms & Fees
Full baths2
Features & details
12 categories of property features
Interior Features
Interior
Bath Off Primary
Ceiling Fan(s)
Dining Room
Appliances
Dishwasher
Disposal
Dryer
Microwave
Refrigerator
Stove(s)/Range(s)
Tankless Water Heater
Trash Compactor
Washer
Dishwasher(s)
Dryer(s)
Garbage Disposal
Microwave(s)
Refrigerator(s)
Washer(s)
Water Heater: Gas Tankless
Water Heater Location: Garage
Flooring
Hardwood
Slate
Stone
Travertine
Carpet
Heating
Fireplace
90%+ High Efficiency
Forced Air
Electric
Natural Gas
Fireplace
Gas
Main Level: 2
Fireplace
Windows
Triple Pane Windows
Exterior Features
Parking
Attached Garage
Construction
Cement Planked
Wood Siding
Cement Plank
Patio & Porch
Bath Off Primary
Ceiling Fan(s)
Dining Room
Fireplace
French Doors
Hot Tub/Spa
Sprinkler System
Triple Pane Windows
Vaulted Ceiling(s)
Walk-In Closet(s)
Water Heater
Wet Bar
Wine/Beverage Refrigerator
Lot Features
Paved
Sidewalk
Cable TV
Fenced-Fully
Gas Available
High Speed Internet
Hot Tub/Spa
Outbuildings
Patio
Sprinkler System
Community
CCRs
Utilities
Xfinity
Xfinity
Room details
14 rooms detailed
Master Bedroom
Bedroom
Bedroom
Bedroom
Bathroom Full
Bathroom Full
Listing insights
Market data and value estimates
StatusSold
Days on market48
Est. value$1,783,300
Est. rent$4,342/mo
Tax rate0.82%
Price/sqft$645
On marketMar 18, 2026
PostedJan 16, 2026
Last sold$1,780,000
MLS statusSold
MLS updatedMar 21, 2026
Tour days6
Views77
How are the schools in Issaquah?
3 schools rated nearby
Location
Issaquah, WA, 98029
Price history
4 events
DateEventPrice$/sqftSource
Feb 18, 2026Sold$1,780,000$645NWMLS as distributed by MLS GRID
Jan 19, 2026Pending Sale$1,699,950$616NWMLS as distributed by MLS GRID
Jan 16, 2026Listed For Sale$1,699,950$616NWMLS as distributed by MLS GRID
Jun 27, 1994Sold$259,900$94Public Record
Sold$1,780,000
Feb 18, 2026•$645/sqft•NWMLS as distributed by MLS GRID
Pending Sale$1,699,950
Jan 19, 2026•$616/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$1,699,950
Jan 16, 2026•$616/sqft•NWMLS as distributed by MLS GRID
Sold$259,900
Jun 27, 1994•$94/sqft•Public Record
Tax history
21 years of records
YearTax paidAssessed value
Apr 8, 2024$11,739$1,298,000
Apr 8, 2023$10,870$1,141,000
Apr 8, 2022$11,981$1,457,000
Apr 8, 2021$9,896$963,000
Apr 8, 2020$8,877$795,000
Apr 8, 2019$9,072$837,000
Apr 8, 2018$8,047$775,000
Apr 8, 2017$8,104$714,000
Apr 8, 2016$7,147$615,000
Apr 8, 2015$7,147$597,000
Apr 8, 2014$7,147$549,000
Apr 8, 2013$7,147$464,000
Apr 8, 2012—$424,000
Apr 8, 2011—$424,000
Apr 8, 2010—$430,000
Apr 8, 2009—$430,000
Apr 8, 2007—$453,000
Apr 8, 2006—$428,000
Apr 8, 2005—$393,000
Apr 8, 2001$4,207$312,000
Apr 8, 2000$4,114$292,000
Nearby homes
Neighborhood details
Local context around this listing
Issaquah, WA • King County
Nearby neighborhoods
AdelaideInglewoodKlahanieMonohanPine Lake
Nearby cities
AuburnBellevueBothellFederal WayKentKirklandRedmondRenton
Nearby zip codes
980299807498075
Similar homes
Based on information submitted to the MLS GRID as of 2026-04-08 07:08:28 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)
No obligation · Same-day response