9330 240th Avenue SE, Issaquah, WA, 98027
About This Home
Set on a serene private estate, this extraordinary Issaquah property offers a rare blend of luxury, flexibility, and lifestyle. The 5,790 SF main residence is complemented by a permitted 1,280 SF ADU with 1 bedroom, 1 bath, loft, and its own attached garage, ideal for additional income potential, multigenerational living, guest accommodations, or private work-from-home separation. Together, the property offers 7,070 SF of total living space. Thoughtfully updated over the years, the vaulted cathedral home features quartz countertops, refinished kitchen cabinetry, new appliances, remodeled baths, LVP flooring throughout, crown molding, upgraded faucets, updated light fixtures, door hardware, fans, switches, smart switches, fresh interior paint, and an enhanced primary suite with remodeled bath and upgraded closet. The finished basement adds exceptional versatility with a theatre, open craft room, and game room. Outside, enjoy tranquil forest surroundings, lush landscaping, terraced grounds, raised retaining wall, covered grill patio, improved decks, ADU deck, chicken coop, playground, two large storage sheds, and a fully fenced yard with security gate. Highlights include a built-in generator, heat pump, EV charging, septic expansion, and upgraded shared well. High-rated Issaquah School District. All just minutes to downtown Issaquah, Seattle, Bellevue, parks, hikes, shopping, I-90, and I-405.
Getting Around
Car-Dependent
No Nearby Transit
Somewhat BikeableSchools
Construction
Condition
- Property condition: Good
- Year built: 2003
Materials
- Foundation: Slab
- Roof: Metal
- Construction materials: Cement Planked,Wood Products,Cement Plank
Notable Dates
- Major remodel year: 2003
Type & Style
- Home type: SingleFamily
- Architectural style: 2 Stories w/Bsmnt
- Property subType: Single Family Residence
Interior
Appliances
- Appliances included: Dishwasher,Disposal,Dryer,Microwave,Refrigerator,Stove(s)/Range(s),Washer,Dishwasher(s),Dryer(s),Garbage Disposal,Microwave(s),Refrigerator(s),Washer(s),Water Heater: Gas,Water Heater Location: Basement
Basement
- Has basement: Yes
- Basement: Daylight,Finished
Bathroom Full
- Level: Second
Bathroom Full
- Level: Second
Bathroom Three Quarter
- Level: Lower
Bathroom Three Quarter
- Level: Main
Bedroom
- Level: Second
Bedroom
- Level: Second
Bedroom
- Level: Lower
Bedroom
- Level: Main
Bedrooms & Bathrooms
- Bedrooms: 6
- Bathrooms: 6
- Full bathrooms: 3
- 3/4 bathrooms: 2
- 1/2 bathrooms: 1
- Main level bathrooms: 2
- Main level bedrooms: 2
Bonus Room
- Level: Second
Den Office
- Level: Main
Dining Room
- Level: Main
Entry Hall
- Level: Main
Features
- Bath Off Primary,Ceiling Fan(s),Dining Room,Loft,Pantry
- Door features: French Doors
- Window features: Dbl Pane/Storm Window
- Flooring: See Remarks,Vinyl Plank
- Number of fireplaces: 1
- Fireplace features: Gas,Main Level: 1,Fireplace
- Fireplace: Yes
Great Room
- Level: Second
Heating & Cooling
- Heating features: Fireplace,Heat Pump,Radiant,Recirculation Pump,Wall Furnace,Electric,Natural Gas
- Cooling features: Heat Pump
Interior Area
- Total structure area: 5,790
- Total interior livable area: 7,070 sqft
Kitchen With Eating Space
- Level: Main
Living Room
- Level: Main
Master Bedroom
- Level: Main
Other
- Level: Main
Rec Room
- Level: Lower
Utility Room
- Level: Lower
Property
Details
- Parcel number: 1938800080
- Special condition: Standard
- Other equipment: Wired for Generator
Features
- Levels: Two
- Stories: 2
- Entry location: Main
- Patio & porch: Bath Off Primary,Ceiling Fan(s),Dbl Pane/Storm Window,Dining Room,Fireplace,French Doors,Loft,Pantry,Vaulted Ceiling(s),Walk-In Closet(s),Water Heater,Wired for Generator
- Has view: Yes
- View description: Territorial
- Topography of land: Partial Slope,Terraces
- Residential vegetation: Brush,Fruit Trees,Garden Space
Lot
- Lot size: 1.04 Acres
- Features: Adjacent to Public Land,Dead End Street,Open Lot,Paved,Secluded,Value In Land,Deck,Electric Car Charging,Fenced-Fully,Gas Available,Gated Entry,High Speed Internet,Patio,Sprinkler System
Parking
- Total spaces: 6
- Parking features: Driveway,Attached Garage,Off Street
- Has garage: Yes
- Covered spaces: 3
- Uncovered spaces: 3
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Avalanche
- Earthquake
- Inland Flooding
- Heat Wave
- Landslide
How This Home’s Risks Compare
FEMA Declared Disasters in King County and Washington
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $12,388 | $148,656 |
| Home Insurance * | $448 | $5,376 |
| Property Taxes | $1,551 | $18,612 |
| Electricity | $483 | $5,803 |
| Total | $14,870 | $178,440 |
Income You'd Need if You Spent...
Washington FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-04-15 | Price change | $2,450,000 |
| 2026-03-19 | Listed for sale | $2,500,000 |
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