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$19,980,000

  • For Sale
  • Active
  • Single Family
  • 5 Beds
  • 2 Full Baths
  • 4 Partial Baths
  • 5,390 Sq. Ft.
  • Updated 1 day ago
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Curate a lifetime of memories in this waterfront estate that can accommodate every possible phase of your life. 116 feet of waterfront on 1.6 acres that has been completely rebuilt & expanded in 2020. Extraordinary detail with the highest quality & luxury, designed for every lifestyle, this home lives perfectly on one level with no stairs. Two main floor primary suites, 4 bathrooms, office, laundry, large recreation room, kitchen, walk in butler's pantry & grand entertaining spaces for every sized event that you can dream of hosting. Upstairs find a third primary suite, laundry, bath & two additional bedrooms. The dock is extraordinary & is rumored to be one of the largest in Lake WA. A massive 155 feet with deep water moorage that can accommodate an 80 foot yacht, (possibly more), sun stream 10,000 pound hydraulic boat lift, 2 jet ski lifts, platform lift & additional boat parking for visitors. The property also features a renovated inground 40-foot resort pool with diving board, hot tub & custom lights. Waterfront cabana for peaceful days by the lake, flat green lawn, outdoor fire pit & extensive patio areas both covered & uncovered are perfect for parties & large events. Elaborate gardens throughout, all on irrigation from Lake WA with multiple varieties of hydrangeas, rhododendron, flowering trees, seasonal bulbs & bushes. Privacy is ideal with a gated entrance & quiet dead end street. Oversized parking & a 3 car attached garage. List of extensive upgrades upon request.

Full Property Details for 70 Cascade Key

General

  • Price: $19,980,000
  • HOA FEE: $134/month
  • Taxes: $67,324 (2025)
  • Status: Active
  • Type: Single Family
  • Source: NWMLS
  • MLS ID: 2497647
  • Updated: 4/2/2026
  • Added to Site: 8 day(s) ago

Interior

  • Interior Features: Second Primary Bedroom, Bath Off Primary, Dbl Pane/Storm Window, Fireplace, Fireplace (Primary Bedroom), High Tech Cabling, Hot Tub/Spa, Pantry, Security System, Vaulted Ceiling(s), Walk-In Closet(s), Water Heater, Wine/Beverage Refrigerator, Wired for Generator
  • Fireplace: Yes
  • Number of Fireplaces: 2
  • Fireplace(s): Gas
  • Appliances: Dishwasher(s), Double Oven, Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Washer(s)
  • Flooring: Ceramic Tile, Carpet

Rooms

Bathrooms

  • Total Bathrooms: 6
  • Full Bathrooms: 2
  • 3/4 Bathrooms: 3
  • Half Bathrooms: 1
  • Upper - Full Baths: 1
  • Upper - 3/4 Baths: 1
  • Main Floor Baths: 4
  • Main - 3/4 Baths: 2
  • Main - 1/2 Baths: 1

Bedrooms

  • Total Bedrooms: 5
  • Bedrooms Upper: 3
  • Bedrooms Main: 2

Additional Information

  • Amenities: Cabana/Gazebo, Cable TV, Deck, Dock, Fenced-Partially, Gas Available, Gated Entry, High Speed Internet, Hot Tub/Spa, Irrigation, Moorage, Outbuildings, Patio, Sprinkler System
  • Pool: Yes
  • Pool Description: In-Ground
  • Spa: Yes
  • Security/Safety: Partially Fenced, Security Gate, Security System

Parking

  • Garage: Yes
  • Attached garage: Yes
  • Covered Spaces: 3
  • Uncovered Spaces: 1
  • Parking Features: Attached Garage

Location

  • Area: 500 - East Side/South of I-90
  • County: King
  • Subdivision: Newport Shores
  • Building Name: Newport Shores
  • Driving Directions: Newport Shores, Left at entrance. Follow along and road will turn into Cascade Ky. Home is on the left.
  • Direction Faces: East

School Information

  • High School District: Bellevue
  • Elementary School: Newport Heights Elem
  • Middle School: Tyee Mid
  • High School: Newport Snr High

Community

  • Association: Yes
  • Assoc. Fees Include: Common Area Maintenance, See Remarks

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Central Air
  • Heating Type: Forced Air, Radiant
  • Water Heater: Tankless -2

Utilities

  • Sewer: Sewer Connected
  • Water: Public

Structural Information

  • Structure Type: House
  • Exterior Const.: Cement Planked, See Remarks
  • Basement Desc.: None
  • Foundation: See Remarks
  • Roof: Metal
  • Entry Location: Main
  • Square Feet: 5,390
  • Finished Total: 5,390 Sq. Ft.
  • Year Built: 1971
  • Property Condition: Updated/Remodeled

Lot Features

  • Property View: Lake, Territorial
  • Lot Size (Acres): 1.5983
  • Lot Size (Sq. Ft.): 69,624
  • Lot Size Source: Realist
  • Topography: Level
  • Lot Features: Cul-De-Sac, Curbs, Dead End Street, Paved, Sidewalk
  • Trees/Vegetation: Garden Space

Water Features

  • Water Front: Yes

Financial Considerations

  • Association Fee: $134
  • Assoc Fee Freq.: Monthly
  • Tax Amount: $67,324
  • Tax Year: 2025
  • Terms: Cash, Conventional

Disclosures and Reports

  • Special Conditions: None
  • Inclusions: Dishwasher(s), Double Oven, Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Washer(s)
  • Property ID: 6072800045
  • Lot Number: 9
Buyer's Brokerage Compensation: 1.5%
Not binding unless confirmed by separate agreement among applicable parties.

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— 70 Cascade Key —

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Schools serving 70 Cascade Key

School District:Bellevue School District
NameGradesDistance
Newport Heights Elementary School
5225 119th Avenue Southeast, Bellevue, WA 98006
K-51 mi
Tyee Middle School
13630 Southeast Allen Road, Bellevue, WA 98006
6-81.6 mi
Newport Senior High School
4333 Factoria Boulevard Southeast, Bellevue, WA 98006
9-120.9 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 70 Cascade Key Get Price Alerts and Save Property

Date
Details
Price
Change
Source
3/27/2026
Listed
$19,980,000
298.17%
MLS
7/31/2018
Sold
$5,018,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 70 Cascade Key

Year
Property Taxes
Change
Tax Assessment
Change
2025
$67,324
6%
$9,187,000
-8%
2024
$63,334
-10%
$9,940,000
—
2022
$70,295
27%
$9,940,000
40%
2021
$55,474
—
$7,079,000
13%
2021
$55,474
10%
$6,269,000
8%
2020
$50,655
13%
$5,816,000
6%
2019
$44,885
-2%
$5,464,000
9%
2018
$45,976
31%
$4,999,000
24%
2017
$35,189
11%
$4,034,000
11%
2016
$31,838
-1%
$3,623,000
—
2015
$32,154
-7%
$3,623,000
—
2014
$34,515
—
$3,623,000
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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70 Cascade Ky, Bellevue, WA 98006 (MLS# 2497647) is a Single Family property with 5 bedrooms, 2 full bathrooms and 4 partial bathrooms. 70 Cascade Ky is currently listed for $19,980,000 and was received on March 27, 2026. This property is listed by Karen Saino from our Bellevue Office.Want to learn more about 70 Cascade Ky? Do you have questions about finding other Single Family real estate for sale in Cougar Mountain-Lakemont? You can browse all Cougar Mountain-Lakemont real estate or contact a Coldwell Banker agent to request more information.

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